CRUISE CONTROL SYSTEM TERMINALS OF ECM


  1. CHECK ECM (for 1GR-FE)

    B001DOFE03

    1. Disconnect the C36, G55 and G56 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
      G55-24 (BATT) - Body ground L - Body ground Power source circuit Always 11 to 14 V

      G55-21 (IGSW) - Body ground*1

      G56-21 (IGSW) - Body ground*2

      		 W - Body ground IG power source circuit Ignition switch ON 11 to 14 V
      Ignition switch off Below 1 V

      G56-34 (ST1-) - Body ground*1

      G55-8 (ST1-) - Body ground*2

      		 B - 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

      G56-35 (STP) - Body ground*1

      G56-18 (STP) - Body ground*2

      		 V - Body ground Stop light switch signal circuit Brake pedal depressed 11 to 14 V
      Brake pedal released Below 1 V

      G56-1 (CCS) - Body ground*1

      G56-11 (CCS) - Body ground*2

      		 B - Body ground Cruise control main switch circuit Cruise control main switch on Below 2.5 Ω
      Cruise control main switch off 10 kΩ 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
      C36-12 (E1) - Body ground BR - Body ground Ground Always Below 1 Ω

      • *1: for Automatic Transmission

      • *2: for Manual Transmission

    3. Reconnect the C36, G55 and G56 ECM connectors.

    4. Measure the voltage according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      G56-22 (S) - Body ground*1 V - Body ground Transmission control switch circuit Ignition switch ON, shift lever in S 11 to 14 V
      Ignition switch ON, shift lever not in S Below 1 V
      G56-15 (SFTU) - Body ground*1 GR - Body ground Transmission control switch circuit Ignition switch ON, shift lever in S → shift lever moved to "+" 11 to 14 V → Below 1 V
      G56-9 (SFTD) - Body ground*1 LG - Body ground Transmission control switch circuit Ignition switch ON, shift lever in S → shift lever moved to "-" 11 to 14 V → Below 1 V
      C34-22 (D) - Body ground*1 B - Body ground Park/neutral position switch signal Ignition switch ON, shift lever in D 11 to 14 V
      Ignition switch ON, shift lever not in D Below 1 V
      C34-27 (D) - Body ground*2 B - Body ground Clutch switch circuit Ignition switch ON, clutch pedal depressed 11 to 14 V
      Ignition switch ON, clutch pedal released Below 1 V
      C34-27 (P) - Body ground*1 L - Body ground Park/neutral position switch signal Ignition switch ON, shift lever in P 11 to 14 V
      Ignition switch ON, shift lever not in P Below 1 V
      C34-28 (R) - Body ground*1 R - Body ground Park/neutral position switch signal Ignition switch ON, shift lever in R 11 to 14 V
      Ignition switch ON, shift lever not in R Below 1 V
      C34-21 (N) - Body ground*1 G - Body ground Park/neutral position switch signal Ignition switch ON, shift lever in N 11 to 14 V
      Ignition switch ON, shift lever not in N Below 1 V

      • *1: for Automatic Transmission

      • *2: for Manual Transmission

  2. CHECK ECM (for 2TR-FE)

    B001G6WE03

    1. Disconnect the C153, G180 and G181 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
      G180-3 (BATT) - Body ground L - Body ground Power source circuit Always 11 to 14 V
      G180-8 (IGSW) - Body ground W - Body ground IG power source circuit Ignition switch ON 11 to 14 V
      Ignition switch off Below 1 V
      G180-11 (ST1-) - Body ground B - 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
      G180-10 (STP) - Body ground V - Body ground Stop light switch signal circuit Brake pedal depressed 11 to 14 V
      Brake pedal released Below 1 V
      G181-22 (CCS) - Body ground B - Body ground Cruise control main switch circuit Cruise control main switch on Below 2.5 Ω
      Cruise control main switch off 10 kΩ 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
      C153-3 (E1) - Body ground BR - Body ground Ground Always Below 1 Ω

    3. Reconnect the C153, G180 and G181 ECM connectors.

    4. Measure the voltage according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      G181-18 (D) - Body ground B - Body ground Park/neutral position switch signal Ignition switch ON, shift lever in D 11 to 14 V
      Ignition switch ON, shift lever not in D Below 1 V
      C155-25 (P) - Body ground L - Body ground Park/neutral position switch signal Ignition switch ON, shift lever in P 11 to 14 V
      Ignition switch ON, shift lever not in P Below 1 V
      G181-8 (R) - Body ground R - Body ground Park/neutral position switch signal Ignition switch ON, shift lever in R 11 to 14 V
      Ignition switch ON, shift lever not in R Below 1 V
      C155-24 (N) - Body ground G - Body ground Park/neutral position switch signal Ignition switch ON, shift lever in N 11 to 14 V
      Ignition switch ON, shift lever not in N Below 1 V

  3. CHECK ECM (for 1KD-FTV)

    B001D7LE02

    1. Disconnect the C93, G57 and G58 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
      G57-23 (BATT) - Body ground L - Body ground Power source circuit Always 11 to 14 V
      G58-24 (IGSW) - Body ground W - Body ground IG power source circuit Ignition switch ON 11 to 14 V
      Ignition switch off Below 1 V
      G57-9 (ST1-) - Body ground B - 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
      G57-8 (STP) - Body ground V - Body ground Stop light switch signal circuit Brake pedal depressed 11 to 14 V
      Brake pedal released Below 1 V
      G57-14 (CCS) - Body ground B - Body ground Cruise control main switch circuit Cruise control main switch on Below 2.5 Ω
      Cruise control main switch off 10 kΩ 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
      C93-1 (E1) - Body ground BR - Body ground Ground Always Below 1 Ω

    3. Reconnect the C93, G57 and G58 ECM connectors.

    4. Measure the voltage according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      C91-15 (D) - Body ground*1 G - Body ground Park/neutral position switch signal Ignition switch ON, shift lever in D 11 to 14 V
      Ignition switch ON, shift lever not in D Below 1 V
      C91-15 (D) - Body ground*2 B - Body ground Clutch switch circuit Ignition switch ON, clutch pedal depressed 11 to 14 V
      Ignition switch ON, clutch pedal released Below 1 V

      • *1: for Automatic Transmission

      • *2: for Manual Transmission

  4. CHECK TRANSMISSION CONTROL ECU (for 1KD-FTV and Automatic Transmission)

    B001FOIE02

    1. Disconnect the G70 and G69 ECU 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
      G70-5 (BATT) - Body ground L - Body ground Power source circuit Always 11 to 14 V
      G70-6 (IG2) - Body ground B - Body ground IG power source circuit Ignition switch ON 11 to 14 V
      Ignition switch off Below 1 V
      G69-1 (E1) - Body ground BR - Body ground Ground Always Below 1 Ω
      G69-10 (E01) - Body ground W-B - Body ground Ground Always Below 1 Ω

    3. Reconnect the G70 and G69 ECU connector.

    4. Measure the voltage according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      G70-15 (S) - Body ground V - Body ground Transmission control switch circuit Ignition switch ON, shift lever in S 11 to 14 V
      Ignition switch ON, shift lever not in S Below 1 V
      G70-22 (SFTU) - Body ground GR - Body ground Transmission control switch circuit Ignition switch ON, shift lever in S → shift lever moved to "+" 11 to 14 V → Below 1 V
      G70-23 (SFTD) - Body ground LG - Body ground Transmission control switch circuit Ignition switch ON, shift lever in S → shift lever moved to "-" 11 to 14 V → Below 1 V
      G71-8 (D) - Body ground B - Body ground Park/neutral position switch signal Ignition switch ON, shift lever in D 11 to 14 V
      Ignition switch ON, shift lever not in D Below 1 V
      G69-13 (P) - Body ground L - Body ground Park/neutral position switch signal Ignition switch ON, shift lever in P 11 to 14 V
      Ignition switch ON, shift lever not in P Below 1 V
      G71-9 (R) - Body ground R - Body ground Park/neutral position switch signal Ignition switch ON, shift lever in R 11 to 14 V
      Ignition switch ON, shift lever not in R Below 1 V
      G69-14 (N) - Body ground G - Body ground Park/neutral position switch signal Ignition switch ON, shift lever in N 11 to 14 V
      Ignition switch ON, shift lever not in N Below 1 V

  5. CHECK ECM (for 1GD-FTV)

    B001EC2E02

    1. Disconnect the G185 and C152 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
      G185-1 (BATT) - Body ground L - Body ground Power source circuit Always 11 to 14 V
      G185-18 (IGSW) - Body ground W - Body ground IG power source circuit Ignition switch ON 11 to 14 V
      Ignition switch off Below 1 V
      G185-12 (ST1-) - Body ground B - 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
      G185-13 (STP) - Body ground V - Body ground Stop light switch signal circuit Brake pedal depressed 11 to 14 V
      Brake pedal released Below 1 V
      G185-26 (CCS) - Body ground B - Body ground Cruise control main switch circuit Cruise control main switch on Below 2.5 Ω
      Cruise control main switch off 10 kΩ 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
      C152-1 (E1) - Body ground W-B - Body ground Ground Always Below 1 Ω

    3. Reconnect the G185 and C152 ECM connectors.

    4. Measure the voltage according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      G184-13 (S) - Body ground*1 V - Body ground Transmission control switch circuit Ignition switch ON, shift lever in S 11 to 14 V
      Ignition switch ON, shift lever not in S Below 1 V
      G184-21 (SFTU) - Body ground*1 GR - Body ground Transmission control switch circuit Ignition switch ON, shift lever in S → shift lever moved to "+" 11 to 14 V → Below 1 V
      G184-20 (SFTD) - Body ground*1 LG - Body ground Transmission control switch circuit Ignition switch ON, shift lever in S → shift lever moved to "-" 11 to 14 V → Below 1 V
      C149-14 (D) - Body ground*1 B - Body ground Park/neutral position switch signal Ignition switch ON, shift lever in D 11 to 14 V
      Ignition switch ON, shift lever not in D Below 1 V
      C149-14 (D) - Body ground*2 B - Body ground Clutch switch circuit Ignition switch ON, clutch pedal depressed 11 to 14 V
      Ignition switch ON, clutch pedal released Below 1 V
      C149-12 (P) - Body ground*1 L - Body ground Park/neutral position switch signal Ignition switch ON, shift lever in P 11 to 14 V
      Ignition switch ON, shift lever not in P Below 1 V
      C149-15 (R) - Body ground*1 R - Body ground Park/neutral position switch signal Ignition switch ON, shift lever in R 11 to 14 V
      Ignition switch ON, shift lever not in R Below 1 V
      C149-13 (N) - Body ground*1 G - Body ground Park/neutral position switch signal Ignition switch ON, shift lever in N 11 to 14 V
      Ignition switch ON, shift lever not in N Below 1 V

      • *1: for Automatic Transmission

      • *2: for Manual Transmission