POWER MIRROR CONTROL SYSTEM(w/ Memory) TERMINALS OF ECU


  1. CHECK OUTER MIRROR CONTROL ECU ASSEMBLY (DRIVER DOOR)

    A018KP2C07
    *A for LHD *B for RHD

    1. Disconnect the I2*1 or H2*2 outer mirror control ECU assembly (driver door) connector.


      • *1: for LHD

      • *2: for RHD

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

      Tech Tips

      Measure the values on the wire harness side with the connector disconnected.

      for LHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      I2-14 (BDR) - Body ground L - Body ground +B power supply Always 11 to 14 V
      I2-6 (CPUB) - Body ground BE - Body ground +B power supply Always 11 to 14 V
      I2-5 (SIG) - Body ground R - Body ground Ignition power supply Ignition switch off Below 1 V
      I2-5 (SIG) - Body ground R - Body ground Ignition power supply Ignition switch ON 11 to 14 V
      I2-7 (GND) - Body ground BR - Body ground Ground Always Below 1 Ω
      for RHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      H2-14 (BDR) - Body ground L - Body ground +B power supply Always 11 to 14 V
      H2-6 (CPUB) - Body ground BE - Body ground +B power supply Always 11 to 14 V
      H2-5 (SIG) - Body ground V - Body ground Ignition power supply Ignition switch off Below 1 V
      H2-5 (SIG) - Body ground V - Body ground Ignition power supply Ignition switch ON 11 to 14 V
      H2-7 (GND) - Body ground BR - Body ground Ground Always Below 1 Ω

    3. Reconnect the I2*1 or H2*2 outer mirror control ECU assembly (driver door) connector.


      • *1: for LHD

      • *2: for RHD

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

      for LHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      z10-3 (MR) - Body ground V-Y - Body ground Power retract mirror motor drive voltage Outer rear view mirror assembly (driver door) being retracted 11 to 14 V
      Outer rear view mirror assembly (driver door) stopped Below 1 V
      z10-11 (MF) - Body ground V-G - Body ground Power retract mirror motor drive voltage Outer rear view mirror assembly (driver door) returning 11 to 14 V
      Outer rear view mirror assembly (driver door) stopped Below 1 V
      z10-1 (MV) - z10-10 (M+) W - O Vertical mirror motor drive voltage Driver door mirror surface moving upward 11 to 14 V
      Driver door mirror surface stopped Below 1 V
      z10-10 (M+) - z10-1 (MV) O - W Vertical mirror motor drive voltage Driver door mirror surface moving downward 11 to 14 V
      Driver door mirror surface stopped Below 1 V
      z10-10 (M+) - z10-9 (MH) O - R Horizontal mirror motor drive voltage Driver door mirror surface moving right 11 to 14 V
      Driver door mirror surface stopped Below 1 V
      z10-9 (MH) - z10-10 (M+) R - O Horizontal mirror motor drive voltage Driver door mirror surface moving left 11 to 14 V
      Driver door mirror surface stopped Below 1 V
      z10-4 (+) - z10-12 (-) B-W - B Mirror heater relay drive voltage Mirror heater switch (rear window defogger switch) on 11 to 14 V
      z10-5 (VC) - I2-7 (GND) O-B - BR Mirror position sensor power supply Ignition switch ON 4.75 to 5.25 V
      z10-6 (VSRL) - I2-7 (GND) V - BR Mirror position sensor signal Ignition switch ON 0 to 5 V
      z10-13 (HSRL) - I2-7 (GND) G - BR Mirror position sensor signal Ignition switch ON 0 to 5 V
      I2-3 (M2) - I2-7 (GND) G - BR M2 switch signal for seat memory switch M2 switch on Below 1 V
      M2 switch off 11 to 14 V
      I2-2 (M1) - I2-7 (GND) Y - BR M1 switch signal for seat memory switch M1 switch on Below 1 V
      M1 switch off 11 to 14 V
      I2-1 (MM) - I2-7 (GND) LG - BR SET switch signal for seat memory switch SET switch on Below 1 V
      SET switch off 11 to 14 V
      for RHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      z9-1 (MV) - z9-10 (M+) W - O Vertical mirror motor drive voltage Driver door mirror surface moving upward 11 to 14 V
      Driver door mirror surface stopped Below 1 V
      z9-10 (M+) - z9-1 (MV) O - W Vertical mirror motor drive voltage Driver door mirror surface moving downward 11 to 14 V
      Driver door mirror surface stopped Below 1 V
      z9-10 (M+) - z9-9 (MH) O - R Horizontal mirror motor drive voltage Driver door mirror surface moving right 11 to 14 V
      Driver door mirror surface stopped Below 1 V
      z9-9 (MH) - z9-10 (M+) R - B Horizontal mirror motor drive voltage Driver door mirror surface moving left 11 to 14 V
      Driver door mirror surface stopped Below 1 V
      z9-4 (+) - z9-12 (-) B-W - B Mirror heater relay drive voltage Mirror heater switch (rear window defogger switch) on 11 to 14 V
      z9-5 (VC) - H2-7 (GND) O-B - BR Mirror position sensor power supply Ignition switch ON 4.75 to 5.25 V
      z9-6 (VSSR) - H2-7 (GND) V - BR Mirror position sensor signal Ignition switch ON 0 to 5 V
      z9-13 (HSSR) - H2-7 (GND) G - BR Mirror position sensor signal Ignition switch ON 0 to 5 V
      H2-3 (M2) - H2-7 (GND) G - BR M2 switch signal for seat memory switch M2 switch on Below 1 V
      M2 switch off 11 to 14 V
      H2-2 (M1) - H2-7 (GND) B - BR M1 switch signal for seat memory switch M1 switch on Below 1 V
      M1 switch off 11 to 14 V
      H2-1 (MM) - H2-7 (GND) P - BR SET switch signal for seat memory switch SET switch on Below 1 V
      SET switch off 11 to 14 V

  2. CHECK OUTER MIRROR CONTROL ECU ASSEMBLY (FRONT PASSENGER DOOR)

    A018KP2C08
    *A for LHD *B for RHD

    1. Disconnect the H2*1 or I2*2 outer mirror control ECU assembly (front passenger door) connector.


      • *1: for LHD

      • *2: for RHD

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

      Tech Tips

      Measure the values on the wire harness side with the connector disconnected.

      for LHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      H2-14 (BDR) - Body ground L - Body ground +B power supply Always 11 to 14 V
      H2-6 (CPUB) - Body ground BE - Body ground +B power supply Always 11 to 14 V
      H2-5 (SIG) - Body ground V - Body ground Ignition power supply Ignition switch off Below 1 V
      H2-5 (SIG) - Body ground V - Body ground Ignition power supply Ignition switch ON 11 to 14 V
      H2-7 (GND) - Body ground BR - Body ground Ground Always Below 1 Ω
      for RHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      I2-14 (BDR) - Body ground L - Body ground +B power supply Always 11 to 14 V
      I2-6 (CPUB) - Body ground BE - Body ground +B power supply Always 11 to 14 V
      I2-5 (SIG) - Body ground R - Body ground Ignition power supply Ignition switch off Below 1 V
      I2-5 (SIG) - Body ground R - Body ground Ignition power supply Ignition switch ON 11 to 14 V
      I2-7 (GND) - Body ground BR - Body ground Ground Always Below 1 Ω

    3. Reconnect the H2*1 or I2*2 outer mirror control ECU assembly (front passenger door) connector.


      • *1: for LHD

      • *2: for RHD

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

      for LHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      z9-3 (MR) - Body ground V-Y - Body ground Power retract mirror motor drive voltage Outer rear view mirror assembly (front passenger door) being retracted 11 to 14 V
      Outer rear view mirror assembly (front passenger door) stopped Below 1 V
      z9-11 (MF) - Body ground V-G - Body ground Power retract mirror motor drive voltage Outer rear view mirror assembly (front passenger door) returning 11 to 14 V
      Outer rear view mirror assembly (front passenger door) stopped Below 1 V
      z9-1 (MV) - z9-10 (M+) W - O Vertical mirror motor drive voltage Front passenger door mirror surface moving upward 11 to 14 V
      Front passenger door mirror surface stopped Below 1 V
      z9-10 (M+) - z9-1 (MV) O - W Vertical mirror motor drive voltage Front passenger door mirror surface moving downward 11 to 14 V
      Front passenger door mirror surface stopped Below 1 V
      z9-10 (M+) - z9-9 (MH) O - R Horizontal mirror motor drive voltage Front passenger door mirror surface moving right 11 to 14 V
      Front passenger door mirror surface stopped Below 1 V
      z9-9 (MH) - z9-10 (M+) R - O Horizontal mirror motor drive voltage Front passenger door mirror surface moving left 11 to 14 V
      Front passenger door mirror surface stopped Below 1 V
      z9-4 (+) - z9-12 (-) B-W - B Mirror heater relay drive voltage Mirror heater switch (rear window defogger switch) on 11 to 14 V
      z9-5 (VC) - H2-7 (GND) O-B - BR Mirror position sensor power supply Ignition switch ON 4.75 to 5.25 V
      z9-6 (VSSR) - H2-7 (GND) V - BR Mirror position sensor signal Ignition switch ON 0 to 5 V
      z9-13 (HSSR) - H2-7 (GND) G - BR Mirror position sensor signal Ignition switch ON 0 to 5 V
      for RHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      z10-1 (MV) - z10-10 (M+) W - O Vertical mirror motor drive voltage Front passenger door mirror surface moving upward 11 to 14 V
      Front passenger door mirror surface stopped Below 1 V
      z10-10 (M+) - z10-1 (MV) O - W Vertical mirror motor drive voltage Front passenger door mirror surface moving downward 11 to 14 V
      Front passenger door mirror surface stopped Below 1 V
      z10-10 (M+) - z10-9 (MH) O - R Horizontal mirror motor drive voltage Front passenger door mirror surface moving right 11 to 14 V
      Front passenger door mirror surface stopped Below 1 V
      z10-9 (MH) - z10-10 (M+) R - O Horizontal mirror motor drive voltage Front passenger door mirror surface moving left 11 to 14 V
      Front passenger door mirror surface stopped Below 1 V
      z10-4 (+) - z10-12 (-) B-W - B Mirror heater relay drive voltage Mirror heater switch (rear window defogger switch) on 11 to 14 V
      z10-5 (VC) - I2-7 (GND) O-B - BR Mirror position sensor power supply Ignition switch ON 4.75 to 5.25 V
      z10-6 (VSRL) - I2-7 (GND) V - BR Mirror position sensor signal Ignition switch ON 0 to 5 V
      z10-13 (HSRL) - I2-7 (GND) G - BR Mirror position sensor signal Ignition switch ON 0 to 5 V