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Inspection Procedure

  1. INSPECT POSITION CONTROL ECU & SWITCH ASSY (FRONT POWER SEAT SWITCH POWER SOURCE CIRCUIT) 
    1. Disconnect the front power seat switch connectors.
    2. Measure the voltage according to the value (s) in the table below.

      Standard: 

      SPECIFIED CONDITION

      Tester Connection Condition Specified Condition
      Q15-5 (+B) - Body ground Always 10 to 14 V
      Q14-4 (IG) - Body ground Ignition switch on (IG) 10 to 14 V
      Q14-8 (SYSB) - Body ground Always 10 to 14 V
      Fig 1: Inspecting Position Control ECU & Switch Assy
      G02975748Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG : REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) 
    2. OK : Go to next step. 
  2. INSPECT POSITION CONTROL ECU & SWITCH ASSY (FRONT POWER SEAT SWITCH GROUND CIRCUIT) 
    1. Measure the resistance according to the value (s) in the table below.

      Standard: 

      SPECIFIED CONDITION

      Tester Connection Condition Specified Condition
      Q15-1 (GND) - Body ground Always Below 1 Ω
      Fig 2: Inspecting Position Control ECU & Switch Assy - Front Power Seat Switch Ground Circuit
      G02975749Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG : REPAIR OR REPLACE HARNESS OR CONNECTOR (GROUND CIRCUIT) 
    2. OK : PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (SEE  PROBLEM SYMPTOMS TABLE   ) 
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