GReddy PRofec B-specII User manual

Instruction Manual

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Please read
Important Information
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¥ Never tune the Profec B-spec II on public highway. This may be
dangerous to you as well as others on the road.
¥ When tuning and operating the vehicle in a garage, be sure that the
garage is equipped with a proper ventilation system.
¥ After installation and tuning, be sure to clean up everything that
would interfere with the driver. Tools and/or wires may interfere with
the driver and may cause accidents.
Caution
Improper tuning of the Profec B-spec II may cause damage to the
engine.
GReddy Performance Products, Inc. will not be responsible for any
damage caused by improper installation or tuning.
Tuning should be performed only by a experienced technician who
fully understands the vehicle s turbo system and fuel management
requirement for the engine being tuned.
Always use a proper air/fuel ratio meter when tuning the Profec
B-spec II to ensure safe boost level.
Installation of this product requires modification of the vehicle s
electrical system.
When making wire connections, be sure to remove the key from the
ignition, and disconnect the negative terminal of the battery.
Never short out the system. It can damage the unit as well as the
vehicle s electrical system.
Read and fully understand the wiring diagram before making any
wire connection.
When connecting the connectors, push it in all the way until you hear
them click in together.

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Parts List
Instruction Manual
Main Unit Valve Unit 4mm Hose (2m)
Valve Unit Harness (2.5m) Power Harness (1.0m) 6mm Hose (1m)
M6 Bolt x 1 6mm Hose Fitting x2 Bracket
Rubber Washer x 2 Hose Clamp x 2 M4 Bolt x2
3 Way Fitting Double Sided Tape Air Filter Instruction Manual
Please make sure all the parts listed above are included in the box. If
there are any items missing, please contact your TRUST/GReddy
authorized dealer where this unit was purchased.

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Engine
Turbo
Valve Unit
Air cleaner
Actuator
Fuel press. regulator
Intercooler
Ground (Black)
Ignition 12V Power (Red)
Filter
4mm Hose
Valve Unit Harness
Installation Diagram (Actuator Type)

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Installation Diagram
Diagram 1: Vehicle with factory boost controlling solenoid valve
Dual Port Actuator
Disconnect the connector and the vacuum lines off from the solenoid valve
and plug up the all the vacuum ports.
Engine
Turbo
Air cleaner
Intercooler
solenoid valve
Before
Engine
Turbo Valve unit
Air cleaner
Intercooler
solenoid valve
After
Be sure to plug up

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Product Features
Diagram 2: Vehicle with factory boost controlling solenoid valve
Single port actuator
Disconnect the connector and the vacuum lines off from the solenoid valve
and plug up the all the vacuum ports.
Before
Engine
Turbo
Air cleaner
Intercooler
solenoid valve
Engine
Turbo
Valve unit
Air cleaner
Intercooler
solenoid valve
After
Be sure to plug up

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PEAK
This mode is used to display the PEAK boost recorded.
Recorded peak value will not be cleared even if the battery is disconnected.
PEAK boost display
Turn SET
Clear
Boost display
How to clear the PEAK value
1. While in Boost display, press the SET knob 5
times to show the current PEAK boost recorded.
* it will return to boost display mode after 4 sec.
2. With in 4 sec, press the SET knob for 1 sec to
clear the recorded PEAK boost, then it will return
to boost display.
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LAST BOOST
LAST BOOST mode
Turn SET
Press SET
Change
Confirm
Boost display
This mode is used to display the last boost that was recorded every time
the accelerator was released for 3 sec.
How to turn this feature ON and OFF.
1. While in Boost display, press the SET knob 6
times to show the current LAST BOOST setting.
* it will return to boost display mode after 4 sec.
2. With in 4 sec, turn the SET knob to turn ON or
OFF.
* If the MODE switch is pressed while in the
this mode, it will cancel out and return back to
pervious setting.
3. Press the SET knob to confirm the setting and it
will return to Boost display.