Garmin Cessna Caravan G1000 User manual

190-00577-03 October 2007 Revision C
G1000 System
Maintenance
Manual
Columbia 350/400

G1000-Columbia 350/400 System Maintenance Manual Page A
190-00577-03 Revision C
© Copyright 2005-2007
Garmin Ltd. Or its subsidiaries
All Rights Reserved
Except as expressly provided herein, no part of this manual may be reproduced, copied, transmitted,
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and of any revision to this manual onto a hard drive or other electronic storage medium to be viewed and
to print one copy of this manual or of any revision hereto, provided that such electronic or printed copy of
this manual or revision must contain the complete text of this copyright notice and provided further that
any unauthorized commercial distribution of this manual or any revision hereto is strictly prohibited.
Garmin International, Inc.
1200 E. 151st Street
Olathe, KS 66062 USA
Telephone: [phone]
www.garmin.com
Garmin (Europe) Ltd.
Liberty House
Bull Copse Road
Hounsdown Business Park
Southampton, SO40 9RB, UK
Telephone: [phone]
RECORD OF REVISIONS
Revision Revision Date Description
1 12/14/05 Initial Release
2 1/16/06 Updated servo torque checks and fuel calibration
procedures.
A 2/13/07 Revised the GDC 74A test procedure.
B 9/13/07 Improved troubleshooting in section 4, updated software
loading for V8.X in section 6 along with updated servo
torque checks.
C 10/19/07 Updated for WAAS configuration; removed statement
“WAAS is currently not an FAA approved or available
configuration” throughout section 6. Also added the
GCU 476 Boot Block Upgrade procedure to section 6.
Throughout document changed statements with the label
IMPORTANT to read NOTE. Added a note to page 5-9
about the system ID changing when master config
module is replaced.

Page B G1000-Columbia 350/400 System Maintenance Manual
Revision C 190-00577-03
DOCUMENT PAGINATION
Section Pagination
Table of Contents iii - viii
Section 1 1-1 thru 1-4
Section 2 2-1 thru 2-16
Section 3 3-1 thru 3-12
Section 4 4-1 thru 4-82
Section 5 5-1 thru 5-12
Section 6 6-1 thru 6-118
Section 7 7-1 thru 7-2
Section 8 8-1 thru 8-2

G1000-Columbia 350/400 System Maintenance Manual Page i
190-00577-03 Revision C
INFORMATION SUBJECT TO EXPORT CONTROL LAWS
This document may contain information which is subject to the Export Administration Regulations
("EAR") issued by the United States Department of Commerce (15 CFR, Chapter VII, Subchapter C) and
which may not be exported, released, or disclosed to foreign nationals inside or outside of the United
States without first obtaining an export license. A violation of the EAR may be subject to a penalty of up
to 10 years imprisonment and a fine of up to $1,000,000 under Section 2410 of the Export Administration
Act of 1979. Include this notice with any reproduced portion of this document.
WARNING
This product, its packaging, and its components contain chemicals known to the State of
California to cause cancer, birth defects, or reproductive harm. This Notice is being
provided in accordance with California's Proposition 65. If you have any questions or
would like additional information, please refer to our web site at
www.garmin.com/prop65.
CAUTION
The GDU 1040 and 1042 use a lens coated with a special anti-reflective coating that is
very sensitive to skin oils, waxes and abrasive cleaners. CLEANERS CONTAINING
AMMONIA WILL HARM THE ANTI-REFLECTIVE COATING. It is very important
to clean the lens using a clean, lint-free cloth and an eyeglass lens cleaner that is specified
as safe for anti-reflective coatings.
CAUTION
All G1000 screen shots used in this document are current at the time of publication.
Screen shots are intended to provide visual reference only. All information depicted in
screen shots, including software file names, versions and part numbers, is subject to
change and may not be up to date.

Page ii G1000-Columbia 350/400 System Maintenance Manual
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This Page Intentionally Left Blank

G1000-Columbia 350/400 System Maintenance Manual Page iii
190-00577-03 Revision C
Table of Contents
1INTRODUCTION..............................................................................................................................1-1
1.1 Content, Scope, and Purpose.......................................................................................................1-1
1.1.1 Applicability..........................................................................................................................1-1
1.2 Organization..................................................................................................................................1-1
1.3 Definitions/Abbreviations...............................................................................................................1-2
1.3.1 Units of Measure .................................................................................................................1-2
1.4 Reference Publications .................................................................................................................1-3
1.5 Distribution ....................................................................................................................................1-4
2SYSTEM DESCRIPTION .................................................................................................................2-1
2.1 Equipment Descriptions ................................................................................................................2-1
2.1.1 GDU 1040 PFD and GDU 1042 MFD .................................................................................2-1
2.1.2 GMA 1347 Audio Panel.......................................................................................................2-1
2.1.3 GIA 63 Integrated Avionics Unit ..........................................................................................2-2
2.1.4 GEA 71 Engine/Airframe Unit..............................................................................................2-2
2.1.5 GTX 33 Mode S Transponder .............................................................................................2-3
2.1.6 GDC 74A Digital Air Computer............................................................................................2-4
2.1.7 OAT Probe...........................................................................................................................2-4
2.1.8 GRS 77 Attitude and Heading Reference System ..............................................................2-4
2.1.9 GMU 44 Magnetometer.......................................................................................................2-5
2.1.10 GSA 81 Servo and GSM 85 Servo Mount...........................................................................2-5
2.1.11 GTA 82 Trim Adapter ..........................................................................................................2-6
2.1.12 GCU 476 Remote Keypad...................................................................................................2-6
2.1.13 GFC 700 AFCS Operational Description.............................................................................2-7
2.2 Electrical Installation......................................................................................................................2-8
2.2.1 Power Distribution ...............................................................................................................2-8
2.2.2 Wiring.................................................................................................................................2-10
2.2.3 Shield Block Installation.....................................................................................................2-10
2.3 G1000 System Communications.................................................................................................2-12
2.3.1 Flight Instrumentation........................................................................................................2-12
2.3.2 Engine Indicator System....................................................................................................2-14
2.3.3 Communications/Navigation Systems...............................................................................2-15
3G1000 CONTROL AND OPERATION .............................................................................................3-1
3.1 User Interface................................................................................................................................3-2
3.1.1 Flight Management System (FMS) Knob ............................................................................3-2
3.1.2 Softkeys...............................................................................................................................3-2
3.1.3 AFCS Controls.....................................................................................................................3-3
3.2 G1000 Normal Mode.....................................................................................................................3-4
3.3 Reversionary Mode.......................................................................................................................3-5
3.4 Configuration Mode Overview.......................................................................................................3-6
3.4.1 Loader Card Interface..........................................................................................................3-6
3.4.2 Configuration Files...............................................................................................................3-7
3.4.3 Configuration File Storage...................................................................................................3-7
3.4.4 SET>ACTV Interface...........................................................................................................3-9
3.4.5 Configuration Prompts.......................................................................................................3-11
3.4.6 Data Transmission Indicators............................................................................................3-11
3.5 Configuration Mode Navigation...................................................................................................3-12
4TROUBLESHOOTING .....................................................................................................................4-1
4.1 G1000 Alerting System .................................................................................................................4-2
4.2 System Annunciations...................................................................................................................4-4
4.2.1 AFCS System Troubleshooting.........................................................................................4-12
4.3 Columbia 350/400 Specific Alerts ...............................................................................................4-14
4.4 GDU 1040/1042 Troubleshooting ...............................................................................................4-19
4.4.1 GDU 1040/1042 Common Problems.................................................................................4-19
4.4.2 Failed Path Messages (GDU Software Version 7.01 and later only)................................4-21
4.4.3 Database and Software Alerts...........................................................................................4-24

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4.4.4 GDU Cooling Alerts ...........................................................................................................4-27
4.4.5 Key Alerts ..........................................................................................................................4-28
4.4.6 Datacard Alerts..................................................................................................................4-28
4.4.7 Miscellaneous Alerts..........................................................................................................4-28
4.5 GMA 1347 ...................................................................................................................................4-34
4.5.2 Common Problems............................................................................................................4-36
4.5.3 GMA Alerts ........................................................................................................................4-37
4.5.4 Backup Path Alerts............................................................................................................4-38
4.6 GIA 63 .........................................................................................................................................4-39
4.6.1 Configuration Pages..........................................................................................................4-39
4.6.2 COM ..................................................................................................................................4-45
4.6.3 GPS...................................................................................................................................4-46
4.6.4 NAV ...................................................................................................................................4-46
4.6.5 G/S.....................................................................................................................................4-47
4.6.6 COM Related Alerts...........................................................................................................4-47
4.6.7 NAV Related Alerts............................................................................................................4-49
4.6.8 G/S Related Alerts.............................................................................................................4-50
4.6.9 GPS Related Alerts ...........................................................................................................4-50
4.6.10 GIA Cooling Alerts.............................................................................................................4-51
4.6.11 Other GIA Alerts ................................................................................................................4-51
4.7 GEA Troubleshooting..................................................................................................................4-53
4.7.1 GEA 71 Configuration Pages ............................................................................................4-53
4.7.2 Common Problems............................................................................................................4-55
4.7.3 GEA 71 Related Alerts ......................................................................................................4-55
4.7.4 Backup Path Alerts............................................................................................................4-56
4.8 GTX Troubleshooting..................................................................................................................4-57
4.8.1 GTX 33 Common Alerts ....................................................................................................4-57
4.8.2 Backup Path Alerts............................................................................................................4-58
4.9 GRS 77 /GMU 44........................................................................................................................4-59
4.9.1 Configuration Pages..........................................................................................................4-59
4.9.2 Common Problems............................................................................................................4-60
4.9.3 Common Alerts..................................................................................................................4-61
4.9.4 Backup Path Alerts............................................................................................................4-62
4.9.5 GMU Related Alerts...........................................................................................................4-63
4.10 GDC 74A.....................................................................................................................................4-63
4.10.1 Common Problems............................................................................................................4-63
4.10.2 GDC 74A Related Alerts....................................................................................................4-63
4.10.3 Backup Path Alerts............................................................................................................4-64
4.11 GDL 69/69A Configuration Pages...............................................................................................4-65
4.11.1 GDL 69 Page.....................................................................................................................4-65
4.11.2 Common Problems............................................................................................................4-67
4.11.3 GDL 69/69A Related Alerts...............................................................................................4-68
4.11.4 GCU 476 Troubleshooting.................................................................................................4-69
4.12 GFC 700......................................................................................................................................4-70
4.12.1 Configuration Pages..........................................................................................................4-70
4.12.2 GFC 700 Pre-Flight Test Sequence and Troubleshooting................................................4-72
4.13 Backshell Connectors..................................................................................................................4-79
5G1000 EQUIPMENT REMOVAL AND REPLACEMENT.................................................................5-1
5.1 GDU 1040 PFD/GDU 1042 MFD ..................................................................................................5-2
5.2 GMA 1347 Audio Panel.................................................................................................................5-2
5.3 GIA 63 Integrated Avionics Units ..................................................................................................5-2
5.4 GEA 71 Engine/Airframe Unit .......................................................................................................5-3
5.5 GTX 33 Transponder.....................................................................................................................5-3
5.6 GDC 74A Air Data Computer........................................................................................................5-3
5.7 GTP 59 OAT Probe.......................................................................................................................5-4
5.8 GRS 77 AHRS...............................................................................................................................5-4

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5.9 GMU 44 Magnetometer.................................................................................................................5-4
5.10 GDL 69A Data Link .......................................................................................................................5-5
5.11 GCU 476........................................................................................................................................5-5
5.12 GSA 81 Autopilot Roll Servo.........................................................................................................5-5
5.13 GSM 85 Autopilot Roll Servo Mount .............................................................................................5-6
5.14 GSA 81 Autopilot Pitch Servo .......................................................................................................5-6
5.15 GSM 85 Autopilot Pitch Servo Mount............................................................................................5-7
5.16 GTA 82 Pitch Trim.........................................................................................................................5-7
5.17 GSM Slip Clutch Adjustment Procedure.......................................................................................5-7
5.18 Configuration Module Removal and Replacement .......................................................................5-8
5.19 GEA 71 Backshell Thermocouple Removal and Replacement...................................................5-10
6G1000 EQUIPMENT CONFIGURATION AND TESTING................................................................6-1
6.1 GDU 1040 PFD/GDU 1042 MFD ..................................................................................................6-1
6.1.1 PFD/MFD Software Loading using GDU V6.XX .................................................................6-1
6.1.2 PFD/MFD Configuration using GDU V6.XX........................................................................6-2
6.1.3 MFD & PFD software loading and Configuration using GDU V8.XX ..................................6-5
6.1.4 Aviation Database Loading..................................................................................................6-5
6.1.5 PFD/MFD Test.....................................................................................................................6-6
6.2 GMA 1347 Audio Panel.................................................................................................................6-8
6.2.1 GMA 1347 Software Loading using GDU V6.XX ................................................................6-8
6.2.2 GMA 1347 Configuration using GDU V6.XX.......................................................................6-9
6.2.3 GMA 1347 Software Load and Configuration using GDU V8.XX......................................6-10
6.2.4 GMA 1347 Test .................................................................................................................6-14
6.3 GIA 63 Integrated Avionics Unit..................................................................................................6-15
6.3.1 GIA 63 Software Loading using GDU V6.XX ....................................................................6-15
6.3.2 GIA 63 Configuration using GDU V6.XX...........................................................................6-18
6.3.3 GIA 63 Certification Gain Loading.....................................................................................6-19
6.3.4 GIA 63 Software Load and Configuration using GDU V8.XX............................................6-20
6.3.5 GIA 63 Test .......................................................................................................................6-23
6.4 GEA 71 Engine/Airframe Unit .....................................................................................................6-25
6.4.1 GEA 71 Software Loading using GDU V6.XX...................................................................6-25
6.4.2 GEA 71 Configuration Loading using GDU V6.XX............................................................6-27
6.4.3 GEA 71 Software Load and Configuration using GDU V8.XX..........................................6-28
6.4.4 GEA 71 Calibration using GDU V6.XX..............................................................................6-31
6.4.5 GEA 71 Calibration using GDU V8.XX..............................................................................6-34
6.4.6 Aileron and Elevator Trim Calibration................................................................................6-39
6.4.7 GEA 71 Test......................................................................................................................6-41
6.5 GTX 33 Transponder...................................................................................................................6-43
6.5.1 GTX 33 Software Loading using GDU V6.XX...................................................................6-43
6.5.2 GTX 33 Configuration Loading using GDU V6.XX............................................................6-44
6.5.3 GTX 33 Software Load and Configuration using GDU V8.XX ..........................................6-46
6.5.4 GTX 33 Test ......................................................................................................................6-49
6.6 GDC 74A Air Data Computer......................................................................................................6-50
6.6.1 GDC 74A Software Loading using GDU V6.XX................................................................6-50
6.6.2 GDC 74A Configuration Loading using GDU V6.XX.........................................................6-51
6.6.3 GDC 74A Software Load and Configuration using GDU V8.XX .......................................6-52
6.6.4 GDC 74A Test ...................................................................................................................6-55
6.7 GRS 77 AHRS / GMU 44 Magnetometer....................................................................................6-57
6.7.1 GRS 77 Software Loading using GDU V6.XX...................................................................6-57
6.7.2 GMU 44 Software Loading using GDU V6.XX..................................................................6-58
6.7.3 GRS 77 / GMU 44 Software Load and Configuration using GDU V8.XX .........................6-60
6.7.4 GRS/GMU Calibration.......................................................................................................6-63
6.7.5 GRS/GMU Test .................................................................................................................6-71
6.7.6 GRS 77 Earth Magnetic Field Updates.............................................................................6-71
6.8 GDL 69A Data Link .....................................................................................................................6-72
6.8.1 GDL 69A Software Loading using GDU V6.XX.................................................................6-72

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6.8.2 GDL 69A Configuration Loading using GDU V6.XX .........................................................6-73
6.8.3 GDL 69A Software Load and Configuration using GDU V8.XX........................................6-74
6.8.4 GDL 69A Test....................................................................................................................6-77
6.9 GSA 81 Autopilot Servos/GTA 82 Pitch Trim Adapter................................................................6-78
6.9.1 GSA 81 Servo Software Loading using GDU V6.XX ........................................................6-78
6.9.2 GTA 82 Pitch Trim Adapter Software Loading using GDU V6.XX....................................6-80
6.9.3 GIA 63, GSA 81 and GTA 82 Certification Gain Loading using GDU V6.XX....................6-82
6.9.4 Servo Software Load and Configuration using GDU V8.XX .............................................6-84
6.10 GFC 700 Autopilot Ground Checks.............................................................................................6-87
6.10.1 Autopilot Pre-Flight Test....................................................................................................6-87
6.10.2 AFCS Switch Checks ........................................................................................................6-88
6.10.3 Autopilot Clutch Overpower Check ...................................................................................6-89
6.10.4 Manual Electric Trim Speed Check...................................................................................6-89
6.10.5 Autopilot Operation Checks...............................................................................................6-89
6.10.6 Servo Torque Limit Validation ...........................................................................................6-90
6.11 GCU 476 Remote Keypad...........................................................................................................6-93
6.11.1 GCU 476 Software Upload using GDU V6.XX..................................................................6-93
6.11.2 GCU 476 Configuration Loading using GDU V6.XX .........................................................6-94
6.11.3 GCU 476 Software Load and Configuration using GDU V8.XX........................................6-96
6.11.4 GCU 476 Boot Block Upgrade ..........................................................................................6-98
6.12 Optional Systems......................................................................................................................6-100
6.12.1 Enabling TAWS using GDU V6.XX .................................................................................6-100
6.12.2 TAWS Activation using GDU V8.XX................................................................................6-101
6.12.3 ChartView........................................................................................................................6-102
6.12.4 Oxygen System using GDU V6.XX .................................................................................6-103
6.12.5 Oxygen System using GDU V8.XX .................................................................................6-104
6.12.6 WX-500 Stormscope Configuration using GDU V6.XX...................................................6-106
6.12.7 WX-500 Stormscope using GDU V8.XX .........................................................................6-108
6.12.8 Ryan 9900BX TCAD Configuration using GDU V6.XX...................................................6-109
6.12.9 Ryan 9900BX TCAD Configuration using GDU V8.XX...................................................6-111
6.13 Complete G1000 software load using GDU V8.XX...................................................................6-112
6.14 Software/Configuration Troubleshooting...................................................................................6-116
6.14.1 System Communication Hierarchy..................................................................................6-117
7SYSTEM RETURN TO SERVICE PROCEDURE............................................................................7-1
7.1 GIA Failure Test ............................................................................................................................7-1
7.2 Display Failure Test.......................................................................................................................7-2
7.3 AHRS/ADC Backup Path Test ......................................................................................................7-2
7.4 Maintenance Records ...................................................................................................................7-2
8REQUIRED EQUIPMENT ................................................................................................................8-1
8.1 G1000 Required Equipment..........................................................................................................8-1
8.2 Weight & Balance..........................................................................................................................8-1
List of Figures
Figure 2-1. G1000/350/400 Display Configuration....................................................................................2-1
Figure 2-2. GIA 63 Integrated Avionics Unit..............................................................................................2-2
Figure 2-3. GEA 71 Engine/Airframe Unit.................................................................................................2-2
Figure 2-4. GTX 33 Mode S Transponder.................................................................................................2-3
Figure 2-5. GDC 74A Air Data Computer..................................................................................................2-4
Figure 2-6. GRS 77 AHRS........................................................................................................................2-4
Figure 2-7. GMU 44 Magnetometer ..........................................................................................................2-5
Figure 2-8. GSA 81 Servo and GSM 85 Servo Mount..............................................................................2-5
Figure 2-9. GTA 82 Pitch Trim Adapter.....................................................................................................2-6
Figure 2-10. GCU 476...............................................................................................................................2-6
Figure 2-11. Power Distribution.................................................................................................................2-9
Figure 2-12. Shield Block Installation to Backshell (78-pin Connector Example)...................................2-10
Figure 2-13. G1000 System Interface.....................................................................................................2-12