DYNAMIC RADAR CRUISE CONTROL SYSTEM TERMINALS OF ECU


  1. CHECK DRIVING SUPPORT ECU

    A01H1HWE01

    1. Disconnect the A33 ECU connector.

    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
      A33-11 (STP-) - Body ground BE - Body ground Stop light switch signal input Depress brake pedal 7.5 to 14 V
      A33-11 (STP-) - Body ground BE - Body ground Stop light switch signal input Release brake pedal Below 1 V
      A33-13 (B) - Body ground Y - Body ground Power supply Power switch ON (IG) 7.5 to 14 V
      A33-13 (B) - Body ground Y - Body ground Power supply Power switch OFF Below 1 V
      A33-25 (GND) - Body ground W-B - Body ground Body ground Always Below 1 Ω
      A33-27 (CCS) - Body ground V - Body ground Cruise control main switch signal Cruise control switch ON Below 2.5 Ω
      A33-27 (CCS) - Body ground V - Body ground Cruise control main switch signal Cruise control switch OFF 1MΩ or higher
      A33-27 (CCS) - Body ground V - Body ground Cruise control main switch signal +RES switch is held ON 235 to 245 Ω
      A33-27 (CCS) - Body ground V - Body ground Cruise control main switch signal -SET switch is held ON 617 to 643 Ω
      A33-27 (CCS) - Body ground V - Body ground Cruise control main switch signal CANCEL switch is held ON 1509 to 1571 Ω
      A33-30 (CCHG) - Body ground LG - Body ground Distance control switch signal Cruise control switch ON, MODE switch ON Below 2.5 Ω
      A33-30 (CCHG) - Body ground LG - Body ground Distance control switch signal Cruise control switch ON, MODE switch OFF 1MΩ or higher
      A33-34 (ST1-) - Body ground G - Body ground Stop light switch signal input

      Power switch ON (IG),

      release brake pedal

      		 7.5 to 14 V
      A33-34 (ST1-) - Body ground G - Body ground Stop light switch signal input

      Power switch ON (IG),

      depress brake pedal

      		 Below 1 V