CRUISE CONTROL SYSTEM TERMINALS OF ECM


  1. CHECK ECM

    A004NL8E02

    1. Disconnect the A40 and B39 ECM connectors.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      A40-2 (BATT) - Body ground P - Body ground Power source circuit Always 11 to 14 V
      A40-25 (IGSW) - Body ground B - Body ground IG power source circuit Ignition switch ON 11 to 14 V
      Ignition switch off Below 1 V
      A40-34 (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
      A40-35 (STP) - Body ground V - Body ground Stop light switch signal circuit Brake pedal released 11 to 14 V
      Brake pedal depressed Below 1 V
      A40-23 (CCS) - Body ground L - Body ground Cruise control switch circuit Cruise control switch on Below 1.5 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
      B39-109 (E1) - Body ground BR - Body ground Ground Always Below 1 Ω

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