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Home >> Lexus >> 2012 >> IS 250 RWD V6-2.5L (4GR-FSE) >> Repair and Diagnosis >> Body and Frame >> Seats >> Testing and Inspection >> Pinout Values and Diagnostic Parameters >> Front Power Seat Control System (w/ Seat Position Memory System)
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Front Power Seat Control System (w/ Seat Position Memory System)





SEAT: FRONT POWER SEAT CONTROL SYSTEM (w/ Seat Position Memory System): TERMINALS OF ECU

1. INSPECT FRONT POWER SEAT SWITCH LH (POSITION CONTROL ECU)





(a) Disconnect the U7 and U6 ECU connectors.

(b) Measure the voltage and resistance according to the value(s) in the table below.





If the result is not as specified, there may be a malfunction on the wire harness side.

(c) Reconnect the U7 and U6 ECU connectors.

(d) Measure the voltage according to the value(s) in the table below.





If the result is not as specified, the front power seat switch LH (position control ECU) may have a malfunction.

2. CHECK OUTER MIRROR CONTROL ECU LH





(a) Disconnect the M10 ECU connector.

(b) Measure the voltage and resistance according to the value(s) in the table below.





If the result is not as specified, there may be a malfunction on the wire harness side.

(c) Reconnect the M10 ECU connector.

(d) Measure the resistance according to the value(s) in the table below.





If the result is not as specified, the outer mirror control ECU LH may have a malfunction.
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