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Home >> Toyota >> 2003 >> Avalon XLS >> Repair and Diagnosis >> Body & Frame >> Seats >> Power Seat Control System (W/Driving Position Memory) - Diagnostics >> Circuit Inspection >> Ignition Switch Circuit >> Inspection Procedure

Inspection Procedure

  1. Check voltage between terminal IG of Seat Position Control ECU connector and body ground. 

    PREPARATION: 

    Remove Seat Position Control ECU with connectors still connected.

    CHECK: 

    Measure voltage between terminal IG of Seat Position Control ECU connector and body ground when ignition switch is ON and OFF.

    Fig 1: Measuring Voltage Between Terminal IG Of Seat Position Control ECU Connector & Body Ground
    G02832128Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: 

    IGNITION SWITCH POSITION VOLTAGE

    Ignition Switch Voltage
    ON 10 - 14 V
    OFF 0 V

    OK: Proceed to next circuit inspection shown in problem symptom table (See page  PROBLEM SYMPTOMS TABLE  ). 

    NG: Go to next step. 

  2. Check GAUGE fuse. 

    NG: Check for short in all the harness and components connected to GAUGE fuse. 

    NG: Go to next step. 

    Check and repair harness or connector between Seat Position Control ECU and battery.

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