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


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

    A01G4RNE01
    Text in Illustration
    *A for LHD *B for RHD

    1. Disconnect the M9*1 or L10*2 connector.


      • *1: for LHD

      • *2: for RHD

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

      Tech Tips

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

      for LHD
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      M9-14 (BDR) - Body ground GR - Body ground +B power supply Always 11 to 14 V
      M9-6 (CPUB) - Body ground W - Body ground +B power supply Always 11 to 14 V
      M9-5 (SIG) - Body ground BE - Body ground Ignition power supply Engine switch off → on (IG) 0 V → 11 to 14 V
      M9-7 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      for RHD
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      L10-14 (BDR) - Body ground GR - Body ground +B power supply Always 11 to 14 V
      L10-6 (CPUB) - Body ground W - Body ground +B power supply Always 11 to 14 V
      L10-5 (SIG) - Body ground BE - Body ground Ignition power supply Engine switch off → on (IG) 0 V → 11 to 14 V
      L10-7 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

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

    3. Reconnect the M9*1 or L10*2 connector.


      • *1: for LHD

      • *2: for RHD

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

      for LHD
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      z7-3 (MR) - Body ground G - Body ground Power retract mirror motor drive voltage Outer rear view mirror assembly LH being retracted 11 to 14 V
      Outer rear view mirror assembly LH stopped Below 1 V
      z7-11 (MF) - Body ground L - Body ground Power retract mirror motor drive voltage Outer rear view mirror assembly LH returning 11 to 14 V
      Outer rear view mirror assembly LH stopped Below 1 V
      z7-1 (MV) - z7-9 (MH) W - R Vertical mirror motor drive voltage LH mirror surface moving upward → stopped 11 to 14 V → 0 V
      z7-10 (M+) - z7-1 (MV) B - W Vertical mirror motor drive voltage LH mirror surface moving downward → stopped 11 to 14 V → 0 V
      z7-10 (M+) - z7-9 (MH) B - R Horizontal mirror motor drive voltage LH mirror surface moving right → stopped 11 to 14 V → 0 V
      z7-9 (MH) - z7-1 (MV) R - W Horizontal mirror motor drive voltage LH mirror surface moving left → stopped 11 to 14 V → 0 V
      z7-4 (+) - z7-12 (-) BR-W - B-R Mirror heater relay drive voltage Rear defogger switch on 11 to 14 V
      z7-5 (VC) - z7-14 (E1) SB - GR Mirror position sensor power supply Engine switch on (IG) 4.55 to 5.45 V
      z7-6 (VSRL) - z7-14 (E1) V - GR Mirror position sensor signal Engine switch on (IG) 0.96 to 4.04 V
      z7-13 (HSRL) - z7-14 (E1) LG - GR Mirror position sensor signal Engine switch on (IG) 0.96 to 4.04 V
      z7-7 (EC+) - z7-15 (EC-) BR - B-L Automatic glare-resistant EC mirror drive signal Automatic glare-resistant EC mirror on 1.05 to 1.35 V
      Automatic glare-resistant EC mirror off Below 1 V
      M9-4 (M3) - M9-7 (GND) GR - W-B M3 switch signal for seat memory switch M3 switch on Below 1 V
      M3 switch off 11 to 14 V
      M9-3 (M2) - M9-7 (GND) Y - W-B M2 switch signal for seat memory switch M2 switch on Below 1 V
      M2 switch off 11 to 14 V
      M9-2 (M1) - M9-7 (GND) L - W-B M1 switch signal for seat memory switch M1 switch on Below 1 V
      M1 switch off 11 to 14 V
      M9-1 (MM) - M9-7 (GND) P - W-B SET switch signal for seat memory switch SET switch on Below 1 V
      SET switch off 11 to 14 V
      for RHD
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      z8-3 (MR) - Body ground G - Body ground Power retract mirror motor drive voltage Outer rear view mirror assembly RH being retracted 11 to 14 V
      Outer rear view mirror assembly RH stopped Below 1 V
      z8-11 (MF) - Body ground L - Body ground Power retract mirror motor drive voltage Outer rear view mirror assembly RH returning 11 to 14 V
      Outer rear view mirror assembly RH stopped Below 1 V
      z8-1 (MV) - z8-9 (MH) W - R Vertical mirror motor drive voltage RH mirror surface moving upward → stopped 11 to 14 V → 0 V
      z8-10 (M+) - z8-1 (MV) B - W Vertical mirror motor drive voltage RH mirror surface moving downward → stopped 11 to 14 V → 0 V
      z8-10 (M+) - z8-9 (MH) B - R Horizontal mirror motor drive voltage RH mirror surface moving right → stopped 11 to 14 V → 0 V
      z8-9 (MH) - z8-1 (MV) R - W Horizontal mirror motor drive voltage RH mirror surface moving left → stopped 11 to 14 V → 0 V
      z8-4 (+) - z8-12 (-) BR-W - B-R Mirror heater relay drive voltage Rear defogger switch on 11 to 14 V
      z8-5 (VC) - z8-14 (E1) SB - GR Mirror position sensor power supply Engine switch on (IG) 4.55 to 5.45 V
      z8-6 (VSSR) - z8-14 (E1) V - GR Mirror position sensor signal Engine switch on (IG) 0.96 to 4.04 V
      z8-13 (HSSR) - z8-14 (E1) LG - GR Mirror position sensor signal Engine switch on (IG) 0.96 to 4.04 V
      z8-7 (EC+) - z8-15 (EC-) BR - B-L Automatic glare-resistant EC mirror drive signal Automatic glare-resistant EC mirror on 1.05 to 1.35 V
      Automatic glare-resistant EC mirror off Below 1 V
      L10-4 (M3) - M9-7 (GND) GR - W-B M3 switch signal for seat memory switch M3 switch on Below 1 V
      M3 switch off 11 to 14 V
      L10-3 (M2) - M9-7 (GND) Y - W-B M2 switch signal for seat memory switch M2 switch on Below 1 V
      M2 switch off 11 to 14 V
      L10-2 (M1) - M9-7 (GND) L - W-B M1 switch signal for seat memory switch M1 switch on Below 1 V
      M1 switch off 11 to 14 V
      L10-1 (MM) - M9-7 (GND) P - W-B 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)

    A01G4RNE02
    Text in Illustration
    *A for LHD *B for RHD

    1. Disconnect the L10*1 or M9*2 connector.


      • *1: for LHD

      • *2: for RHD

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

      Tech Tips

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

      for LHD
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      L10-14 (BDR) - Body ground GR - Body ground +B power supply Always 11 to 14 V
      L10-6 (CPUB) - Body ground W - Body ground +B power supply Always 11 to 14 V
      L10-5 (SIG) - Body ground BE - Body ground Ignition power supply Engine switch off → on (IG) 0 V → 11 to 14 V
      L10-7 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      for RHD
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      M9-14 (BDR) - Body ground GR - Body ground +B power supply Always 11 to 14 V
      M9-6 (CPUB) - Body ground W - Body ground +B power supply Always 11 to 14 V
      M9-5 (SIG) - Body ground BE - Body ground Ignition power supply Engine switch off → on (IG) 0 V → 11 to 14 V
      M9-7 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

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

    3. Reconnect the L10*1 or M9*2 connector.


      • *1: for LHD

      • *2: for RHD

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

      for LHD
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      z8-3 (MR) - Body ground G - Body ground Power retract mirror motor drive voltage Outer rear view mirror assembly RH being retracted 11 to 14 V
      Outer rear view mirror assembly RH stopped Below 1 V
      z8-11 (MF) - Body ground L - Body ground Power retract mirror motor drive voltage Outer rear view mirror assembly RH returning 11 to 14 V
      Outer rear view mirror assembly RH stopped Below 1 V
      z8-1 (MV) - z8-9 (MH) W - R Vertical mirror motor drive voltage RH mirror surface moving upward → stopped 11 to 14 V → 0 V
      z8-10 (M+) - z8-1 (MV) B - W Vertical mirror motor drive voltage RH mirror surface moving downward → stopped 11 to 14 V → 0 V
      z8-10 (M+) - z8-9 (MH) B - R Horizontal mirror motor drive voltage RH mirror surface moving right → stopped 11 to 14 V → 0 V
      z8-9 (MH) - z8-1 (MV) R - W Horizontal mirror motor drive voltage RH mirror surface moving left → stopped 11 to 14 V → 0 V
      z8-4 (+) - z8-12 (-) BR-W - B-R Mirror heater relay drive voltage Rear defogger switch on 11 to 14 V
      z8-5 (VC) - z8-14 (E1) SB - GR Mirror position sensor power supply Engine switch on (IG) 4.55 to 5.45 V
      z8-6 (VSSR) - z8-14 (E1) V - GR Mirror position sensor signal Engine switch on (IG) 0.96 to 4.04 V
      z8-13 (HSSR) - z8-14 (E1) LG - GR Mirror position sensor signal Engine switch on (IG) 0.96 to 4.04 V
      z8-7 (EC+) - z8-15 (EC-) BR - B-L Automatic glare-resistant EC mirror drive signal Automatic glare-resistant EC mirror on 1.05 to 1.35 V
      Automatic glare-resistant EC mirror off Below 1 V
      for RHD
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      z7-3 (MR) - Body ground G - Body ground Power retract mirror motor drive voltage Outer rear view mirror assembly LH being retracted 11 to 14 V
      Outer rear view mirror assembly LH stopped Below 1 V
      z7-11 (MF) - Body ground L - Body ground Power retract mirror motor drive voltage Outer rear view mirror assembly LH returning 11 to 14 V
      Outer rear view mirror assembly LH stopped Below 1 V
      z7-1 (MV) - z7-9 (MH) W - R Vertical mirror motor drive voltage LH mirror surface moving upward → stopped 11 to 14 V → 0 V
      z7-10 (M+) - z7-1 (MV) B - W Vertical mirror motor drive voltage LH mirror surface moving downward → stopped 11 to 14 V → 0 V
      z7-10 (M+) - z7-9 (MH) B - R Horizontal mirror motor drive voltage LH mirror surface moving right → stopped 11 to 14 V → 0 V
      z7-9 (MH) - z7-1 (MV) R - W Horizontal mirror motor drive voltage LH mirror surface moving left → stopped 11 to 14 V → 0 V
      z7-4 (+) - z7-12 (-) BR-W - B-R Mirror heater relay drive voltage Rear defogger switch on 11 to 14 V
      z7-5 (VC) - z7-14 (E1) SB - GR Mirror position sensor power supply Engine switch on (IG) 4.55 to 5.45 V
      z7-6 (VSRL) - z7-14 (E1) V - GR Mirror position sensor signal Engine switch on (IG) 0.96 to 4.04 V
      z7-13 (HSRL) - z7-14 (E1) LG - GR Mirror position sensor signal Engine switch on (IG) 0.96 to 4.04 V
      z7-7 (EC+) - z7-15 (EC-) BR - B-L Automatic glare-resistant EC mirror drive signal Automatic glare-resistant EC mirror on 1.05 to 1.35 V
      Automatic glare-resistant EC mirror off Below 1 V