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Home >> Lexus >> 2007 >> GS 450h V6-3.5L (2GR-FSE) Hybrid >> Repair and Diagnosis >> Steering and Suspension >> Steering >> Power Steering >> Steering Control Module >> Service and Repair >> Steering Control ECU
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Steering Control ECU

STEERING CONTROL ECU

COMPONENTS:





REMOVAL
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.

2. REMOVE INSTRUMENT PANEL NO. 2 UNDER COVER SUB-ASSEMBLY





3. REMOVE STEERING CONTROL ECU
(a) Disconnect the 3 ECU connectors.





(b) Remove the 3 screws and ECU.

INSTALLATION





1. INSTALL STEERING CONTROL ECU
(a) Install the ECU with the 3 screws.

HINT:
^ Align positioning boss (A) of the blower with the hole of the ECU.
^ Securely detach the hook (B) of the ECU with the blower.





(b) Connect the 3 ECU connectors.
2. INSTALL INSTRUMENT PANEL NO. 2 UNDER COVER SUB-ASSEMBLY
3. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
4. PERFORM INITIALIZATION
(a) Perform initialization.

NOTICE:
Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.

5. PERFORM VARIABLE GEAR RATIO STEERING SYSTEM CALIBRATION
(a) Perform variable gear ratio steering system calibration.



















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