CRUISE CONTROL SYSTEM (for 1WW) TERMINALS OF ECU


  1. CHECK ECM

    A01IQE4E01

    1. Disconnect the A76 ECM connector.

      Note

      After turning the ignition switch off, make sure to wait at least 6 minutes before disconnecting the ECM connector or replacing the ECM.

    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
      A76-15 (BATT) - Body ground B - Body ground Power source circuit Always 11 to 14 V
      A76-37 (IGSW) - Body ground B - Body ground IG power source circuit Ignition switch ON 11 to 14 V
      Ignition switch off Below 1 V
      A76-10 (ST1-) - Body ground R-W - Body ground Stop light switch signal circuit Ignition switch ON, brake pedal released 11 to 14 V
      Ignition switch ON, brake pedal depressed Below 1 V
      A76-48 (STP) - Body ground V - Body ground Stop light switch signal circuit Brake pedal depressed 11 to 14 V
      Brake pedal released Below 1 V
      A76-7 (D) - Body ground W - Body ground Clutch switch signal circuit Ignition switch ON, clutch pedal depressed 11 to 14 V
      Ignition switch ON, clutch pedal released Below 1 V
      A76-41 (CCS) - A76-42 (ECCS) L - BR Cruise control switch circuit Cruise control switch on Below 2.5 Ω
      Cruise control switch off 10 MΩ or higher
      +RES switch held on 235 to 245 Ω
      -SET switch held on 617 to 643 Ω
      CANCEL switch held on 1509 to 1571 Ω
      A76-4 (E1) - 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.