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Home >> Lexus >> 2004 >> LS 430 V8-4.3L (3UZ-FE) >> Repair and Diagnosis >> Body and Frame >> Relays and Modules - Body and Frame >> Power Seat Control Module >> Testing and Inspection >> Front Power Seat Control System
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Front Power Seat Control System

TERMINALS OF ECU

1. CHECK DRIVER SEAT ECU

Terminals Of ECU / Pinouts - Check Driver Seat ECU:




a. Disconnect the D27 and D28 ECU connectors.




b. Measure the voltage of the wire harness side connectors.
c. Reconnect the D27 and D28 ECU connectors.
d. Initialize the front power seat.







e. Measure the voltage of connectors.

HINT:
*: w/ Climate control seat system
If the result is not as specified, replace the power seat or the ECU may have a malfunction.

2. CHECK DRIVER DOOR ECU

Terminals Of ECU / Pinouts - Check Driver Door ECU:




a. Disconnect the D25 ECU connector.




b. Measure the voltage of the wire harness side connector.
c. Reconnect the D25 ECU connector.




d. Measure the voltage of the D24 ECU connector.
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