CRUISE CONTROL SYSTEM TERMINALS OF ECM


  1. CHECK ECM

    B003Q1QE19

    1. Disconnect the C38, C41, G49 and G50 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
      C38-14 (D) - C41-1 (E1)*1 GR - W-B Clutch switch signal Ignition switch ON, clutch pedal depressed Below 1 V
      Ignition switch ON, clutch pedal released 11 to 14 V
      C38-14 (D) - C41-1 (E1)*2 GR - W-B D shift position signal Ignition switch ON, shift lever in D 11 to 14 V
      Ignition switch ON, shift lever is not in D Below 1 V
      C41-1 (E1) - Body ground W-B - Body ground Ground Always Below 1 Ω
      G49-13 (S) - C41-1 (E1) L - W-B S shift position switch signal Ignition switch ON and shift lever in S 11 to 14 V
      Ignition switch ON, shift lever is not in S Below 1 V
      G49-20 (SFTD) - C41-1 (E1) G - W-B Down-shift switch signal Ignition switch ON and shift lever in S 11 to 14 V
      Ignition switch ON and shift lever in "-" position (down-shift) Below 1 V
      G49-21 (SFTU) - C41-1 (E1) W - W-B Up-shift switch signal Ignition switch ON and shift lever in S 11 to 14 V
      Ignition switch ON and shift lever in "+" position (up-shift) Below 1 V
      G49-20 (SFTD) - C41-1 (E1)*3 G - W-B Down-shift switch signal Ignition switch ON and shift lever in D or S 11 to 14 V
      Ignition switch ON and "-" shift paddle operated and held (down-shift) Below 1 V
      G49-21 (SFTU) - C41-1 (E1)*3 W - W-B Up-shift switch signal Ignition switch ON and shift lever in D or S 11 to 14 V
      Ignition switch ON and "+" shift paddle operated and held (up-shift) Below 1 V
      G50-1 (BATT) - Body ground Y - Body ground Constant power source Always 11 to 14 V
      G50-12 (ST1-) - C41-1 (E1) GR - W-B Stop light signal Ignition switch ON, brake pedal depressed 0 to 1.5 V
      Ignition switch ON, brake pedal released 7.5 to 14 V
      G50-13 (STP) - C41-1 (E1) L - W-B Stop light signal Brake pedal depressed 7.5 to 14 V
      Brake pedal released 0 to 1.5 V
      G50-26 (CCS) - C41-1 (E1) G - W-B Cruise control switch circuit Cruise control switch off 1 MΩ or higher
      Cruise control switch on Below 2.5 Ω
      +RES switch on 235 to 245 Ω
      -SET switch on 617 to 643 Ω
      CANCEL switch on 1509 to 1571 Ω

      • *1: for Manual Transmission

      • *2: for Automatic Transmission

      • *3: w/ Transmission Shift Switch