LANE-KEEPING ASSIST SYSTEM TERMINALS OF ECU


  1. CHECK DRIVING SUPPORT ECU

    A001E4GE02

    1. Disconnect the A33 ECU connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      A33-13 (B) - Body ground Y - Body ground Power supply Always 11 to 14 V
      A33-25 (GND) - Body ground W-B - Body ground Body ground Always Below 1 Ω
      A33-11 (STP-) - Body ground BE - Body ground Stop light switch signal input Depress brake pedal 7.5 to 14 V
      A33-11 (STP-) - Body ground BE - Body ground Stop light switch signal input Release brake pedal Below 1 V
      A33-34 (ST1-) - Body ground G - Body ground Stop light switch signal input

      Engine switch on (IG),

      release brake pedal

      		 7.5 to 14 V
      A33-34 (ST1-) - Body ground G - Body ground Stop light switch signal input

      Engine switch on (IG),

      depress brake pedal

      		 Below 1 V

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

  2. CHECK OBJECT RECOGNITION ECU

    A001DWAE02

    1. Disconnect the g1 ECU connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      g1-6 (IG) - Body ground V - Body ground IG power supply Engine switch on (IG) 11 to 14 V
      g1-6 (IG) - Body ground V - Body ground IG power supply Engine switch off Below 1 V
      g1-10 (GND) - Body ground W-B - Body ground Body ground Always Below 1 Ω

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