THEFT DETERRENT SYSTEM TERMINALS OF ECU


  1. CHECK MAIN BODY ECU RH (COWL SIDE JUNCTION BLOCK RH)


    1. Disconnect the main body ECU RH (cowl side junction block RH) connectors.

      A0163CTE04

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

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      J75-23 (PCTY) - Body ground B*1 - Body ground Passenger side courtesy light switch input Passenger side door CLOSED (OFF) → OPEN (ON) 10 kΩ or higher → Below 1 Ω
      J75-23 (PCTY) - Body ground V*2 - Body ground Passenger side courtesy light switch input Passenger side door CLOSED (OFF) → OPEN (ON) 10 kΩ or higher → Below 1 Ω
      J75-25 (LGCY) - Body ground L - Body ground Luggage compartment door courtesy light switch input Luggage compartment door CLOSED (OFF) → OPEN (ON) 10 kΩ or higher → Below 1 Ω
      P1-14 (DCTY) - Body ground W - Body ground Driver side door courtesy light switch input Driver side door CLOSED (OFF) → OPEN (ON) 10 kΩ or higher → Below 1 Ω
      P1-16 (RCTY) - Body ground O - Body ground Rear courtesy light switch RH input Rear door RH CLOSED (OFF) → OPEN (ON) 10 kΩ or higher → Below 1 Ω
      RA-5 (GND2) - Body ground W-B - Body ground Ground Always Below 1 Ω
      RA-11 (LCTY) - Body ground BR - Body ground Rear courtesy light switch LH input Rear door LH CLOSED (OFF) → OPEN (ON) 10 kΩ or higher → Below 1 Ω
      RM-1 (ALTB) - Body ground B-W - Body ground +B (power generator system) power supply Always 11 to 14 V
      RD-7 (GND2) - Body ground W-B - Body ground Ground Always Below 1 Ω
      RK-5 (BECU) - Body ground G-R - Body ground +B power supply Always 11 to 14 V
      RM-1 (ACC) - Body ground B-W - Body ground Engine switch power supply (ACC signal) Engine switch on (ACC) → off 11 to 14 V → Below 1 V
      RM-1 (IG) - Body ground B-W - Body ground Engine switch power supply (IG signal) Engine switch on (IG) → off 11 to 14 V → Below 1 V
      RN-1 (BATB) - Body ground R - Body ground +B (power battery system) power supply Always 11 to 14 V

      Tech Tips


      • *1: for LHD

      • *2: for RHD

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

    3. Reconnect the main body ECU RH (cowl side junction block RH) connectors.

    4. Measure the voltage and check for pulses according to the value(s) in the table below.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      A36-1 (SH)*1 - Body ground W - Body ground Security horn signal Security horn assembly is sounding (theft deterrent system is in alarm sounding state). Pulse generation
      J74-2 (HAZ) - Body ground Y - Body ground Hazard warning light signal Hazard warning lights are blinking (theft deterrent system is in alarm sounding state).

      Pulse generation

      Below 1 V ← → 11 to 14 V
      J74-24 (IND) - Body ground LG - Body ground Security indicator output

      Security indicator lights up

      (it lights up only for 30 sec. in alarm sounding state. It flashes when immobiliser is operating).

      		 3 to 6 V
      J75-11 (S+B) - Body ground G - Body ground Intrusion sensor power supply Arming preparation state or armed state 11 to 14 V
      J75-11 (S+B) - Body ground G - Body ground Intrusion sensor power supply Disarmed state Below 1 V
      J75-12 (SSCL)*2 - Body ground BR - Body ground Theft warning siren signal Theft warning siren assembly is sounding (theft deterrent system is in alarm sounding state). Pulse generation
      J75-13 (ISIF) - Body ground SB - Body ground Intrusion sensor signal input No moving object detected by sensor 11 to 14 V
      J75-13 (ISIF) - Body ground SB - Body ground Intrusion sensor signal input Moving object detected by sensor during arming preparation state or armed state Pulse generation

      Tech Tips


      • *1: w/ Panic Switch

      • *2: w/o Panic Switch

  2. CHECK ENGINE ROOM NO. 2 RELAY BLOCK AND JUNCTION BLOCK ASSEMBLY (FRONT CONTROLLER)


    1. Disconnect the 2G multiplex network body ECU connector.

      A015ZOCE01

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

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      2G-3 - Body ground W-L - Body ground Engine hood courtesy switch Engine hood CLOSED (OFF) → OPEN (ON) 10 kΩ or higher → Below 1 Ω

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

    3. Reconnect the 2G multiplex network body ECU connector.

    4. Measure the voltage and check for pulses according to the value(s) in the table below.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      2G-1 - Body ground B - Body ground Vehicle horn drive

      Vehicle horn is sounding

      (theft deterrent system is in alarm sounding state).

      Pulse generation

      (Below 1 V ← → 11 to 14 V)
      2G-2 - Body ground B-R - Body ground Vehicle horn drive

      Vehicle horn is sounding

      (theft deterrent system is in alarm sounding state).

      Pulse generation

      (Below 1 V ← → 11 to 14 V)