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Terminals Of Ecu

  1. CHECK SEAT VIBRATION MODULE ASSEMBLY 
    Fig 1: Identifying S29 Connector Terminals
    G04952698Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the S29 connector.
    2. Measure the voltage and resistance of the wire harness side connector.
      VOLTAGE AND RESISTANCE SPECIFIED CONDITION

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      S29-1 (IG) - S29-8 (GND) BR - W-B Engine switch signal Engine switch off Below 1 V
      S29-1 (IG) - S29-8 (GND) BR - W-B Engine switch signal Engine switch on (IG) 11 to 14 V
      S29-8 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

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

    3. Reconnect the S29 connector.
    4. Measure the voltage of the connector.
      CONNECTOR TERMINALS VOLTAGE SPECIFIED CONDITION

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      S29-6 (VIB+) - S29-7 (VIB-) G-R Vibrator signal Engine switch on (IG), Vibrator switch ON AC 6 to 9 V

      If the result is not as specified, the module may have a malfunction.

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