Subaru Legasy 2001 User manual

This service manual has been prepared to provide
SUBARU service personnel with the necessary infor-
mation and data for the correct maintenance and
repair of SUBARU vehicles.
This manual includes the procedures for maintenance,
disassembling, reassembling, inspection and adjust-
ment of components and diagnostics for guidance of
experienced mechanics.
Please peruse and utilize this manual fully to ensure
complete repair work for satisfying our customers by
keeping their vehicle in optimum condition. When
replacement of parts during repair work is needed, be
sure to use SUBARU genuine parts.
All information, illustration and specifications con-
tained in this manual are based on the latest product
information available at the time of publication
approval.
FUJI HEAVY INDUSTRIES LTD.
2001 LEGACY SERVICE MANUAL QUICK REFERENCE INDEX
SUPPLEMENT FOR 6 CYLINDER
ENGINE MODEL
G2281GE

2001 LEGACY SERVICE MANUAL QUICK REFERENCE INDEX
SUPPLEMENT FOR 6 CYLINDER
ENGINE MODEL
G2281GE

ENGINE (DIAGNOSTICS)
EN(H6)
Page
1. Basic Diagnostic Procedure ........................................................................2
2. Check List for Interview...............................................................................4
3. General Description.....................................................................................6
4. Electrical Components Location................................................................10
5. Engine Control Module (ECM) I/O Signal.................................................27
6. Engine Condition Data ..............................................................................32
7. Transmission Control Module (TCM) I/O Signal .......................................33
8. Data Link Connector .................................................................................38
9. OBD-II General Scan Tool ........................................................................39
10. Subaru Select Monitor...............................................................................41
11. Read Diagnostic Trouble Code .................................................................48
12. Inspection Mode ........................................................................................49
13. Clear Memory Mode..................................................................................52
14. Compulsory Valve Operation Check Mode...............................................53
15. Engine Malfunction Indicator Lamp (MIL) .................................................55
16. Diagnostics for Engine Starting Failure ....................................................70
17. List of Diagnostic Trouble Code (DTC).....................................................90
18. Diagnostic Procedure with Diagnostic Trouble Code (DTC) ....................97
19. General Diagnostic Table ........................................................................321

18. Diagnostic Procedure with Diagnostic Trouble Code (DTC) S048521
A: DTC P0031 —BANK #1 AND SENSOR #1 OXYGEN (A/F) SENSOR
(FRONT RH) HEATER CIRCUIT LOW INPUT —S048521H21
쐌DTC DETECTING CONDITION:
쐌Immediately at fault recognition
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(H6)-51
OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H6)-48 OPERATION, Inspec-
tion Mode.>.
쐌WIRING DIAGRAM:
B2M4571
EN(H6)-96
DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
Engine (DIAGNOSTICS)

No. Step Check Yes No
1 CHECK ANY OTHER DTC ON DISPLAY. Does the Subaru Select
Monitor or OBD-II general
scan tool indicate DTC
P0031, 0051 and P0037 at
the same time?
Go to step 2. Go to step 3.
2 CHECK GROUND CIRCUIT OF ECM.
Measure resistance of harness between ECM
connector and chassis ground.
Connector & terminal
(B137) No. 31 —Chassis ground:
(B137) No. 21 —Chassis ground:
(B137) No. 8 —Chassis ground:
(B137) No. 9 —Chassis ground:
Is the resistance less than
5Ω?
Go to step 6. Repair harness
and connector.
NOTE:
In this case,
repair the follow-
ing:
쐌Open circuit in
harness between
ECM and engine
ground terminal
쐌Poor contact in
ECM connector
Poor contact in
coupling connec-
tor
3 CHECK CURRENT DATA.
1) Start engine
2) Read data of front oxygen (A/F) sensor
heater current using Subaru Select Monitor or
OBD-II general scan tool.
NOTE:
쐌Subaru Select Monitor
For detailed operation procedure, refer to the
“READ CURRENT DATA FOR ENGINE”.
<Ref. to EN(H6)-40 Subaru Select Monitor.>
쐌OBD-II scan tool
For detailed operation procedures, refer to the
OBD-II General Scan Tool Instruction Manual.
Is the value more than 0.2
A?
Repair poor con-
tact in connector.
NOTE:
In this case,
repair the follow-
ing:
쐌Poor contact in
front oxygen (A/F)
sensor connector
쐌Poor contact in
ECM connector
Go to step 4.
4 CHECK OUTPUT SIGNAL FROM ECM.
1) Start and idle the engine.
2) Measure voltage between ECM connector
and chassis ground.
Connector & terminal
(B137) No. 4 (+) —Chassis ground (−):
Is the voltage less than 1.0
V?
Go to step 6. Go to step 5.
5 CHECK OUTPUT SIGNAL FROM ECM.
Measure voltage between ECM connector
and chassis ground.
Connector & terminal
(B137) No. 4 (+) —Chassis ground (−):
Does the voltage change
less than 1.0 V by shaking
harness and connector of
ECM while monitoring the
value with voltage meter?
Repair poor con-
tact in ECM con-
nector.
Go to step 6.
6 CHECK OUTPUT SIGNAL FROM ECM.
Measure voltage between ECM connector
and chassis ground.
Connector & terminal
(B137) No. 5 (+) —Chassis ground (−):
Is the voltage less than 1.0
V?
Go to step 8. Go to step 7.
7 CHECK OUTPUT SIGNAL FROM ECM.
Measure voltage between ECM connector
and chassis ground.
Connector & terminal
(B137) No. 5 (+) —Chassis ground (−):
Does the voltage change
less than 1.0 V by shaking
harness and connector of
ECM while monitoring the
value with voltage meter?
Repair poor con-
tact in ECM con-
nector.
Go to step 8.
EN(H6)-97
DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
Engine (DIAGNOSTICS)

No. Step Check Yes No
8 CHECK POWER SUPPLY TO FRONT OXY-
GEN (A/F) SENSOR.
1) Turn ignition switch to OFF.
2) Disconnect connector from front oxygen
(A/F) sensor.
3) Turn ignition switch to ON.
4) Measure voltage between front oxygen
(A/F) sensor connector and engine ground.
Connector & terminal
(E47) No. 2 (+) —Engine ground (−):
Is the voltage more than 10
V?
Go to step 9. Repair power sup-
ply line.
NOTE:
In this case,
repair the follow-
ing:
쐌Open circuit in
harness between
main relay and
front oxygen (A/F)
sensor connector
쐌Poor contact in
front oxygen (A/F)
sensor connector
쐌Poor contact in
main relay con-
nector
9 CHECK FRONT OXYGEN (A/F) SENSOR.
1) Turn ignition switch to OFF.
2) Measure resistance between front oxygen
(A/F) sensor connector terminals.
Terminals
(E47) No. 2 —No. 1:
Is the resistance less than
10 Ω?
Repair harness
and connector.
NOTE:
In this case,
repair the follow-
ing:
쐌Open or ground
short circuit in
harness between
front oxygen (A/F)
sensor and ECM
connector
쐌Poor contact in
front oxygen (A/F)
sensor connector
쐌Poor contact in
ECM connector
Replace front oxy-
gen (A/F) sensor.
<Ref. to FU(H6)-
43, Front Oxygen
(A/F) Sensor.>
EN(H6)-98
DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
Engine (DIAGNOSTICS)

MEMO:
EN(H6)-99
DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
Engine (DIAGNOSTICS)

B: DTC P0032 —BANK #1 AND SENSOR #1 OXYGEN (A/F) SENSOR
(FRONT RH) HEATER CIRCUIT HIGH INPUT —S048521H22
쐌DTC DETECTING CONDITION:
쐌Immediately at fault recognition
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(H6)-51
OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H6)-48 OPERATION, Inspec-
tion Mode.>.
쐌WIRING DIAGRAM:
B2M4571
EN(H6)-100
DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
Engine (DIAGNOSTICS)

No. Step Check Yes No
1 CHECK OUTPUT SIGNAL FROM ECM.
1) Turn ignition switch to ON.
2) Measure voltage between ECM connector
and chassis ground.
Connector & terminal
(B137) No. 4 (+) —Chassis ground (−):
Is the voltage more than 8
V?
Go to step 3. Go to step 2.
2 CHECK OUTPUT SIGNAL FROM ECM.
Measure voltage between ECM connector
and chassis ground.
Connector & terminal
(B137) No. 5 (+) —Chassis ground (−):
Is the voltage more than 8
V?
Go to step 3. Go to step 4.
3 CHECK FRONT OXYGEN (A/F) SENSOR
HEATER CURRENT.
1) Turn ignition switch to OFF.
2) Repair battery short circuit in harness
between ECM and front oxygen (A/F) sensor
connector.
3) Turn ignition switch to ON.
4) Read data of front oxygen (A/F) sensor
heater current using Subaru Select Monitor or
the OBD-II general scan tool.
NOTE:
쐌Subaru Select Monitor
For detailed operation procedure, refer to the
“READ CURRENT DATA FOR ENGINE”.
<Ref. to EN(H6)-40 Subaru Select Monitor.>
쐌OBD-II general scan tool
For detailed operation procedure, refer to the
OBD-II General Scan Tool Instruction Manual.
Is the value more than 2.3
A?
Replace ECM.
<Ref. to FU(H6)-
46, Engine Con-
trol Module.>
END
4 CHECK OUTPUT SIGNAL FROM ECM.
Measure voltage between ECM connector
and chassis ground.
Connector & terminal
(B137) No. 4 (+) —Chassis ground (−):
Does the voltage change
morethan8Vbyshaking
harness and connector of
ECM while monitoring the
value with voltage meter?
Repair battery
short circuit in
harness between
ECM and front
oxygen (A/F) sen-
sor connector.
Go to step 5.
5 CHECK OUTPUT SIGNAL FROM ECM.
Measure voltage between ECM connector
and chassis ground.
Connector & terminal
(B137) No. 5 (+) —Chassis ground (−):
Does the voltage change
morethan8Vbyshaking
harness and connector of
ECM while monitoring the
value with voltage meter?
Repair battery
short circuit in
harness between
ECM and front
oxygen (A/F) sen-
sor connector.
END
EN(H6)-101
DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
Engine (DIAGNOSTICS)

C: DTC P0037 —BANK #1 AND SENSOR #2 OXYGEN SENSOR (REAR)
HEATER CIRCUIT LOW INPUT —S048521H23
쐌DTC DETECTING CONDITION:
쐌Two consecutive driving cycles with fault
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(H6)-51
OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H6)-48 OPERATION, Inspec-
tion Mode.>.
쐌WIRING DIAGRAM:
B2M4572
EN(H6)-102
DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
Engine (DIAGNOSTICS)

No. Step Check Yes No
1 CHECK GROUND CIRCUIT OF ECM.
1) Repair harness and connector.
NOTE:
In this case, repair the following:
쐌Open circuit in harness between ECM and
engine ground terminal
쐌Poor contact in ECM connector
쐌Poor contact in coupling connector (B22)
2) Measure resistance of harness between
ECM connector and chassis ground.
Connector & terminal
(B137) No. 31 —Chassis ground:
(B137) No. 21 —Chassis ground:
(B137) No. 8 —Chassis ground:
(B137) No. 9 —Chassis ground:
Is the resistance less than
5Ω?
Go to step 2. Repair harness
and connector.
NOTE:
In this case,
repair the follow-
ing:
쐌Open circuit in
harness between
ECM and engine
ground terminal
쐌Poor contact in
ECM connector
쐌Poor contact in
coupling connec-
tor
2 CHECK CURRENT DATA.
1) Start engine.
2) Read data of rear oxygen sensor heater
current using Subaru Select Monitor or OBD-II
general scan tool.
NOTE:
쐌Subaru Select Monitor
For detailed operation procedure, refer to the
“READ CURRENT DATA FOR ENGINE”.
<Ref. to EN(H6)-40 Subaru Select Monitor.>
쐌OBD-II scan tool
For detailed operation procedures, refer to the
OBD-II General Scan Tool Instruction Manual.
Is the value more than 0.2
A?
Repair connector.
NOTE:
In this case,
repair the follow-
ing:
쐌Poor contact in
rear oxygen sen-
sor connector
쐌Poor contact in
rear oxygen sen-
sor connecting
harness connector
쐌Poor contact in
ECM connector
Go to step 3.
3 CHECK OUTPUT SIGNAL FROM ECM.
1) Start and idle the engine.
2) Measure voltage between ECM connector
and chassis ground.
Connector & terminal
(B136) No. 13 (+) —Chassis ground
(−):
Is the voltage less than 1.0
V?
Go to step 6. Go to step 4.
4 CHECK OUTPUT SIGNAL FROM ECM.
Measure voltage between ECM connector
and chassis ground.
Connector & terminal
(B136) No. 13 (+) —Chassis ground
(−):
Does the voltage change
less than 1.0 V by shaking
harness and connector of
ECM while monitoring the
value with voltage meter?
Repair poor con-
tact in ECM con-
nector.
Go to step 5.
5 CHECK OUTPUT SIGNAL FROM ECM.
1) Disconnect connector from rear oxygen
sensor.
2) Measure voltage between ECM connector
and chassis ground.
Connector & terminal
(B136) No. 13 (+) —Chassis ground
(−):
Is the voltage less than 1.0
V?
Replace ECM.
<Ref. to FU(H6)-
46, Engine Con-
trol Module.>
Repair battery
short circuit in
harness between
ECM and rear
oxygen sensor
connector. After
repair, replace
ECM. <Ref. to
FU(H6)-46 Engine
Control Module.>
EN(H6)-103
DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
Engine (DIAGNOSTICS)

No. Step Check Yes No
6 CHECK POWER SUPPLY TO REAR OXY-
GEN SENSOR.
1) Turn ignition switch to OFF.
2) Disconnect connector from rear oxygen
sensor.
3) Turn ignition switch to ON.
4) Measure voltage between rear oxygen sen-
sor connector and engine ground or chassis
ground.
Connector & terminal
(T6) No. 2 (+) —Chassis ground (−):
Is the voltage more than 10
V?
Go to step 7. Repair power sup-
ply line.
NOTE:
In this case,
repair the follow-
ing:
쐌Open circuit in
harness between
main relay and
rear oxygen sen-
sor connector
쐌Poor contact in
rear oxygen sen-
sor connector
쐌Poor contact in
coupling connec-
tor
7 CHECK REAR OXYGEN SENSOR.
1) Turn ignition switch to OFF.
2) Measure resistance between rear oxygen
sensor connector terminals.
Terminals
No. 1 —No. 2:
Is the resistance less than
30 Ω?
Repair harness
and connector.
NOTE:
In this case,
repair the follow-
ing:
쐌Open circuit in
harness between
rear oxygen sen-
sor and ECM con-
nector
쐌Poor contact in
rear oxygen sen-
sor connector
쐌Poor contact in
ECM connector
쐌Poor contact in
coupling connec-
tor
Replace rear oxy-
gen sensor. <Ref.
to FU(H6)-45,
Rear Oxygen
Sensor.>
EN(H6)-104
DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
Engine (DIAGNOSTICS)

MEMO:
EN(H6)-105
DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
Engine (DIAGNOSTICS)

D: DTC P0038 —BANK #1 AND SENSOR #2 OXYGEN SENSOR (REAR)
HEATER CIRCUIT HIGH INPUT —S048521H24
쐌DTC DETECTING CONDITION:
쐌Two consecutive driving cycles with fault
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(H6)-51
OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H6)-48 OPERATION, Inspec-
tion Mode.>.
쐌WIRING DIAGRAM:
B2M4572
No. Step Check Yes No
1 CHECK INPUT SIGNAL FOR ECM.
Measure voltage between ECM connector
and chassis ground.
Connector & terminal
(B136) No. 13 (+) —Chassis ground
(−):
Is the voltage more than 8
V?
Go to step 2. Go to step 3.
EN(H6)-106
DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
Engine (DIAGNOSTICS)

No. Step Check Yes No
2 CHECK CURRENT DATA.
1) Turn ignition switch to OFF.
2) Repair battery short circuit in harness
between ECM and rear oxygen sensor con-
nector.
3) Turn ignition switch to ON.
4) Read data of rear oxygen sensor heater
current using Subaru Select Monitor or the
OBD-II general scan tool.
NOTE:
쐌Subaru Select Monitor
For detailed operation procedure, refer to the
“READ CURRENT DATA FOR ENGINE”.
<Ref. to EN(H6)-40 Subaru Select Monitor.>
쐌OBD-II general scan tool
For detailed operation procedure, refer to the
OBD-II General Scan Tool Instruction Manual.
Is the value more than 7
A?
Replace ECM.
<Ref. to FU(H6)-
46, Engine Con-
trol Module.>
END
3 CHECK POOR CONTACT.
Check poor contact in ECM connector.
Is there poor contact in
ECM connector?
Repair poor con-
tact in ECM con-
nector.
END
EN(H6)-107
DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
Engine (DIAGNOSTICS)

E: DTC P0051 —BANK #2 AND SENSOR #1 OXYGEN (A/F) SENSOR
(FRONT LH) HEATER CIRCUIT LOW INPUT —S048521H25
쐌DTC DETECTING CONDITION:
쐌Immediately at fault recognition
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(H6)-51
OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H6)-48 OPERATION, Inspec-
tion Mode.>.
쐌WIRING DIAGRAM:
B2M4571
EN(H6)-108
DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
Engine (DIAGNOSTICS)

No. Step Check Yes No
1 CHECK ANY OTHER DTC ON DISPLAY. Does the Subaru Select
Monitor or OBD-II general
scan tool indicate DTC
P0031, P0051 and P0037
at the same time?
Go to step 2. Go to step 3.
2 CHECK GROUND CIRCUIT OF ECM.
Measure resistance of harness between ECM
connector and chassis ground.
Connector & terminal
(B137) No. 31 —Chassis ground:
(B137) No. 21 —Chassis ground:
(B137) No. 8 —Chassis ground:
(B137) No. 9 —Chassis ground:
Is the resistance less than
5Ω?
Go to step 3. Repair harness
and connector.
NOTE:
In this case,
repair the follow-
ing:
쐌Open circuit in
harness between
ECM and engine
ground terminal
쐌Poor contact in
ECM connector
Poor contact in
coupling connec-
tor
3 CHECK CURRENT DATA.
1) Start engine
2) Read data of front oxygen (A/F) sensor
heater current using Subaru Select Monitor or
OBD-II general scan tool.
NOTE:
쐌Subaru Select Monitor
For detailed operation procedure, refer to the
“READ CURRENT DATA FOR ENGINE”.
<Ref. to EN(H6)-40 Subaru Select Monitor.>
쐌OBD-II scan tool
For detailed operation procedures, refer to the
OBD-II General Scan Tool Instruction Manual.
Is the value more than 0.2
A?
Repair poor con-
tact in connector.
NOTE:
In this case,
repair the follow-
ing:
쐌Poor contact in
front oxygen (A/F)
sensor connector
쐌Poor contact in
ECM connector
Go to step 4.
4 CHECK OUTPUT SIGNAL FROM ECM.
1) Start and idle the engine.
2) Measure voltage between ECM connector
and chassis ground.
Connector & terminal
(B137) No. 7 (+) —Chassis ground (−):
Is the voltage less than 1.0
V?
Go to step 6. Go to step 5.
5 CHECK OUTPUT SIGNAL FROM ECM.
Measure voltage between ECM connector
and chassis ground.
Connector & terminal
(B137) No. 7 (+) —Chassis ground (−):
Does the voltage change
less than 1.0 V by shaking
harness and connector of
ECM while monitoring the
value with voltage meter?
Repair poor con-
tact in ECM con-
nector.
Go to step 6.
6 CHECK OUTPUT SIGNAL FROM ECM.
Measure voltage between ECM connector
and chassis ground.
Connector & terminal
(B137) No. 6 (+) —Chassis ground (−):
Is the voltage less than 1.0
V?
Go to step 8. Go to step 7.
7 CHECK OUTPUT SIGNAL FROM ECM.
Measure voltage between ECM connector
and chassis ground.
Connector & terminal
(B137) No. 6 (+) —Chassis ground (−):
Does the voltage change
less than 1.0 V by shaking
harness and connector of
ECM while monitoring the
value with voltage meter?
Repair poor con-
tact in ECM con-
nector.
Go to step 7.
EN(H6)-109
DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
Engine (DIAGNOSTICS)

No. Step Check Yes No
8 CHECK POWER SUPPLY TO FRONT OXY-
GEN (A/F) SENSOR.
1) Turn ignition switch to OFF.
2) Disconnect connector from front oxygen
(A/F) sensor.
3) Turn ignition switch to ON.
4) Measure voltage between front oxygen
(A/F) sensor connector and engine ground.
Connector & terminal
(E24) No. 2 (+) —Engine ground (−):
Is the voltage more than 10
V?
Go to step 9. Repair power sup-
ply line.
NOTE:
In this case,
repair the follow-
ing:
쐌Open circuit in
harness between
main relay and
front oxygen (A/F)
sensor connector
쐌Poor contact in
front oxygen (A/F)
sensor connector
쐌Poor contact in
main relay con-
nector
9 CHECK FRONT OXYGEN (A/F) SENSOR.
1) Turn ignition switch to OFF.
2) Measure resistance between front oxygen
(A/F) sensor connector terminals.
Terminals
No. 2 —No. 1:
Is the resistance less than
10 Ω?
Repair harness
and connector.
NOTE:
In this case,
repair the follow-
ing:
쐌Open or ground
short circuit in
harness between
front oxygen (A/F)
sensor and ECM
connector
쐌Poor contact in
front oxygen (A/F)
sensor connector
쐌Poor contact in
ECM connector
Replace front oxy-
gen (A/F) sensor.
<Ref. to FU(H6)-
43, Front Oxygen
(A/F) Sensor.>
EN(H6)-110
DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
Engine (DIAGNOSTICS)

MEMO:
EN(H6)-111
DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
Engine (DIAGNOSTICS)

F: DTC P0052 —BANK #2 AND SENSOR #1 OXYGEN (A/F) SENSOR
(FRONT LH) HEATER CIRCUIT HIGH INPUT —S048521H26
쐌DTC DETECTING CONDITION:
쐌Immediately at fault recognition
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(H6)-51
OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H6)-48 OPERATION, Inspec-
tion Mode.>.
쐌WIRING DIAGRAM:
B2M4571
EN(H6)-112
DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
Engine (DIAGNOSTICS)