CRUISE CONTROL SYSTEM TERMINALS OF ECM


  1. CHECK ECM

    A01GJ8HE24

    1. Disconnect the A13, A14 and E3 ECM connectors.

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

      Terminal No (Symbols) Wiring Color Terminal Description Condition Specified Condition
      A14-12 (ST1-) - Body ground V - Body ground Stop light switch signal

      Engine switch on (IG),

      release brake pedal

      		 11 to 14 V
      A14-12 (ST1-) - Body ground V - Body ground Stop light switch signal

      Engine switch on (IG),

      depress brake pedal

      		 Below 1 V
      A14-13 (STP) - Body ground L - Body ground Stop light switch signal Depress brake pedal 11 to 14 V
      A14-13 (STP) - Body ground L - Body ground Stop light switch signal Release brake pedal Below 1 V
      A14-8 (IGSW) - Body ground R - Body ground IGSW power supply Engine switch on (IG) 11 to 14 V
      A14-8 (IGSW) - Body ground R - Body ground IGSW power supply Engine switch off Below 1 V
      A14-7 (BATT) - Body ground B- Body ground BATT power supply Always 11 to 14 V
      A13-2 (+B) - Body ground

      B-W - Body ground*1

      B - Body ground*2

      		 +B power supply Engine switch on (IG) 11 to 14 V
      A13-2 (+B) - Body ground

      B-W - Body ground*1

      B - Body ground*2

      		 +B power supply Engine switch off Below 1 V
      E3-1 (E1) - Body ground W-B - Body ground Body ground Always Below 1 Ω
      A13-15 (CCS) - Body ground V - Body ground Cruise control switch signal Cruise control switch ON Below 1 Ω
      A13-15 (CCS) - Body ground V - Body ground Cruise control switch signal Cruise control switch OFF 10 kΩ or higher
      A13-15 (CCS) - Body ground V - Body ground Cruise control switch signal +/RES switch is hold ON 235 to 245 Ω
      A13-15 (CCS) - Body ground V - Body ground Cruise control switch signal -/SET switch is hold ON 620 to 640 Ω
      A13-15 (CCS) - Body ground V - Body ground Cruise control switch signal CANCEL switch is hold ON 1510 to 1570 Ω
      E3-14 (D) - Body ground G-Y - Body ground Park / neutral position switch signal

      Engine switch on (IG),

      shift lever D

      		 11 to 14 V
      E3-14 (D) - Body ground G-Y - Body ground Park / neutral position switch signal

      Engine switch on (IG),

      shift lever except D

      		 Below 1 V
      E3-13 (N) - Body ground G-R - Body ground Park / neutral position switch signal

      Engine switch on (IG),

      shift lever N

      		 11 to 14 V
      E3-13 (N) - Body ground G-R - Body ground Park / neutral position switch signal

      Engine switch on (IG),

      shift lever except N

      		 Below 1 V
      E3-11 (R) - Body ground G - Body ground Park / neutral position switch signal

      Engine switch on (IG),

      shift lever R

      		 11 to 14 V
      E3-11 (R) - Body ground G - Body ground Park / neutral position switch signal

      Engine switch on (IG),

      shift lever except R

      		 Below 1 V
      E3-12 (P) - Body ground W - Body ground Park / neutral position switch signal

      Engine switch on (IG),

      shift lever P

      		 11 to 14 V
      E3-12 (P) - Body ground W - Body ground Park / neutral position switch signal

      Engine switch on (IG),

      shift lever except P

      		 Below 1 V

      Tech Tips

      *1: for 1UZ-FSE (for LHD), 1UZ-FE

      *2: for 1UZ-FSE (for RHD)

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