CRUISE CONTROL SYSTEM TERMINALS OF ECM


  1. CHECK ECM (for 1KD-FTV)

    A003BIFE38

    1. Disconnect the B72 and D98 ECM connectors.

    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
      B72-2 (BATT) - Body ground W - Body ground Power source circuit Always 11 to 14 V
      B72-25 (IGSW) - Body ground B - Body ground IG power source circuit Ignition switch ON 11 to 14 V
      Ignition switch off Below 1 V
      B72-34 (ST1-) - Body ground R - 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
      B72-35 (STP) - Body ground Y - Body ground Stop light switch signal circuit Brake pedal depressed 11 to 14 V
      Brake pedal released Below 1 V
      B72-23 (CCS) - Body ground SB - Body ground Cruise control switch circuit Cruise control main switch on Below 2.5 Ω
      Cruise control main switch off 1 MΩ or higher
      +RES switch held on 235 to 245 Ω
      -SET switch held on 620 to 640 Ω
      CANCEL switch held on 1510 to 1570 Ω
      D98-73 (CLSW) - Body ground* R - 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
      D98-109 (E1) - Body ground W-B - Body ground Ground Always Below 1 Ω

      *: for Manual Transmission

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

  2. CHECK ECM (for 2TR-FE)

    A003BIFE39

    1. Disconnect the B71 and D97 ECM connectors.

    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
      B71-20 (BATT) - Body ground W - Body ground Power source circuit Always 11 to 14 V
      B71-27 (IGSW) - Body ground B - Body ground IG power source circuit Ignition switch ON 11 to 14 V
      Ignition switch off Below 1 V
      B71-35 (ST1-) - Body ground R - 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
      B71-36 (STP) - Body ground Y - Body ground Stop light switch signal circuit Brake pedal depressed 11 to 14 V
      Brake pedal released Below 1 V
      B71-40 (CCS) - Body ground SB - Body ground Cruise control switch circuit Cruise control main switch on Below 2.5 Ω
      Cruise control main switch off 1 MΩ or higher
      +RES switch held on 235 to 245 Ω
      -SET switch held on 620 to 640 Ω
      CANCEL switch held on 1510 to 1570 Ω
      B71-47 (D) - Body ground* R - 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
      B71-32 (EC) - Body ground W-B - Body ground Ground Always Below 1 Ω
      D97-105 (E1) - Body ground W-B - Body ground

      *: for Manual Transmission

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