POWER MIRROR CONTROL SYSTEM TERMINALS OF ECU


  1. CHECK FRONT MULTIPLEX NETWORK DOOR ECU LH

    A01FI78E11

    1. Disconnect the Q19 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
      Q19-6 (BDR) - Body ground V - Body ground Power source Always 11 to 14 V
      Q19-4 (CPUB) - Body ground P - Body ground Power source Always 11 to 14 V
      Q19-16 (BCUT) - Body ground*1 W - Body ground Power source Always 11 to 14 V
      Q19-3 (SIG) - Body ground B - Body ground IG power source Engine switch on (IG) 11 to 14 V
      Engine switch off Below 1 V
      Q19-18 (ECI+) - Q19-19 (ECI-)*2 P - GR Automatic glare-resistant EC mirror drive voltage Automatic glare-resistant EC mirror off Below 1 V
      Automatic glare-resistant EC mirror on 1.05 to 1.35 V
      Q19-1 (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 Q19 ECU connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      z10-3 (MR) - Body ground*3 G - Body ground Power retract mirror motor drive voltage Outer mirror actuator LH being retracted 11 to 14 V
      Outer mirror actuator LH stopped Below 1 V
      z10-11 (MF) - Body ground*3 L - Body ground Power retract mirror motor drive voltage Outer mirror actuator LH returning 11 to 14 V
      Outer mirror actuator LH stopped Below 1 V
      z10-1 (MV) - Body ground W - Body ground Mirror motor drive voltage LH mirror surface stopped Below 1 V
      LH mirror surface moving downward or left Below 1 V
      LH mirror surface moving upward 11 to 14 V
      z10-9 (MH) - Body ground R - Body ground Mirror motor drive voltage LH mirror surface stopped Below 1 V
      LH mirror surface moving upward or right Below 1 V
      LH mirror surface moving left 11 to 14 V
      z10-10 (M+) - Body ground B - Body ground Mirror motor drive voltage LH mirror surface stopped Below 1 V
      LH mirror surface moving upward or left Below 1 V
      LH mirror surface moving downward or right 11 to 14 V
      z10-4 (+) - z10-12 (-)*4 BR-W - B-R Mirror heater drive voltage Mirror heater switch on 11 to 14 V
      Mirror heater switch off Below 1 V
      z10-5 (VC) - z10-14 (E1) SB - GR Mirror position sensor power supply Engine switch on (IG) 4.75 to 5.25 V
      Engine switch off Below 1 V
      z10-6 (VSRL) - z10-14 (E1) V - GR Vertical direction position sensor signal LH mirror surface moving upward or downward 5 V
      LH mirror surface stopped Below 1 V
      z10-13 (HSRL) - z10-14 (E1) LG - GR Horizontal direction position sensor signal LH mirror surface moving left or right 5 V
      LH mirror surface stopped Below 1 V
      z10-7 (EC+) - z10-15 (EC-)*2 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
      Q19-15 (CPBJ) - Q19-9 (SGND)*1 P - W-B Power source Always 11 to 14 V
      Q19-22 (M1) - Q19-26 (MSWE)*1 B - P Seat memory switch M1 signal Seat memory switch M1 off Pulse generation
      Seat memory switch M1 on Below 1 V
      Q19-23 (M2) - Q19-26 (MSWE)*1 SB - P Seat memory switch M2 signal Seat memory switch M2 off Pulse generation
      Seat memory switch M2 on Below 1 V
      Q19-24 (M3) - Q19-26 (MSWE)*1 V - P Seat memory switch M3 signal Seat memory switch M3 off Pulse generation
      Seat memory switch M3 on Below 1 V
      Q19-25 (MM) - Q19-26 (MSWE)*1 LG - P Seat memory switch SET signal Seat memory switch SET off Pulse generation
      Seat memory switch SET on Below 1 V

      • *1: for LHD

      • *2: w/ Automatic Glare-resistance EC Mirror

      • *3: w/ Retract Mirror

      • *4: w/ Mirror Heater

      If the result is not as specified, the ECU may have a malfunction.

  2. CHECK FRONT MULTIPLEX NETWORK DOOR ECU RH

    A01FI78E19

    1. Disconnect the Q4 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
      Q4-6 (BDR) - Body ground V - Body ground Power source Always 11 to 14 V
      Q4-4 (CPUB) - Body ground P - Body ground Power source Always 11 to 14 V
      Q4-16 (BCUT) - Body ground*1 L - Body ground Power source Always 11 to 14 V
      Q4-3 (SIG) - Body ground B - Body ground IG power source Engine switch on (IG) 11 to 14 V
      Engine switch off Below 1 V
      Q4-18 (ECI+) - Q4-19 (ECI-)*2 P - GR Automatic glare-resistant EC mirror drive voltage Automatic glare-resistant EC mirror off Below 1 V
      Automatic glare-resistant EC mirror on 1.05 to 1.35 V
      Q4-1 (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 Q4 ECU connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      z9-3 (MR) - Body ground*3 G - Body ground Power retract mirror motor drive voltage Outer mirror actuator RH being retracted 11 to 14 V
      Outer mirror actuator RH stopped Below 1 V
      z9-11 (MF) - Body ground*3 L - Body ground Power retract mirror motor drive voltage Outer mirror actuator RH returning 11 to 14 V
      Outer mirror actuator RH stopped Below 1 V
      z9-1 (MV) - Body ground W - Body ground Mirror motor drive voltage RH mirror surface stopped Below 1 V
      RH mirror surface moving downward or left Below 1 V
      RH mirror surface moving upward 11 to 14 V
      z9-9 (MH) - Body ground R - Body ground Mirror motor drive voltage RH mirror surface stopped Below 1 V
      RH mirror surface moving upward or right Below 1 V
      RH mirror surface moving left 11 to 14 V
      z9-10 (M+) - Body ground B - Body ground Mirror motor drive voltage RH mirror surface stopped Below 1 V
      RH mirror surface moving upward or left Below 1 V
      RH mirror surface moving downward or right 11 to 14 V
      z9-4 (+) - z9-12 (-)*4 BR-W - B-R Mirror heater drive voltage Mirror heater switch on 11 to 14 V
      Mirror heater switch off Below 1 V
      z9-5 (VC) - z9-14 (E1) SB - GR Mirror position sensor power supply Engine switch on (IG) 4.75 to 5.25 V
      Engine switch off Below 1 V
      z9-6 (VSSR) - z9-14 (E1) V - GR Vertical direction position sensor signal RH mirror surface moving upward or downward 5 V
      RH mirror surface stopped Below 1 V
      z9-13 (HSRR) - z9-14 (E1) LG - GR Horizontal direction position sensor signal RH mirror surface moving left or right 5 V
      RH mirror surface stopped Below 1 V
      z9-7 (EC+) - z9-15 (EC-)*2 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
      Q4-15 (CPBJ) - Q4-9 (SGND)*1 P - W-B Power source Always 11 to 14 V
      Q4-22 (M1) - Q4-26 (MSWE)*1 B - P Seat memory switch M1 signal Seat memory switch M1 off Pulse generation
      Seat memory switch M1 on Below 1 V
      Q4-23 (M2) - Q4-26 (MSWE)*1 SB - P Seat memory switch M2 signal Seat memory switch M2 off Pulse generation
      Seat memory switch M2 on Below 1 V
      Q4-24 (M3) - Q4-26 (MSWE)*1 V - P Seat memory switch M3 signal Seat memory switch M3 off Pulse generation
      Seat memory switch M3 on Below 1 V
      Q4-25 (MM) - Q4-26 (MSWE)*1 LG - P Seat memory switch SET signal Seat memory switch SET off Pulse generation
      Seat memory switch SET on Below 1 V

      • *1: for RHD

      • *2: w/ Automatic Glare-resistance EC Mirror

      • *3: w/ Retract Mirror

      • *4: w/ Mirror Heater

      If the result is not as specified, the ECU may have a malfunction.

  3. CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY

    A01FH3XE03

    1. Disconnect the Q25*1 or Q10*2 switch connector.


      • *1: for LHD

      • *2: for RHD

    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
      Q25-11 (B) - Body ground*1 P - Body ground Power source Always 11 to 14 V
      Q10-11 (B) - Body ground*2 P - Body ground Power source Always 11 to 14 V
      Q25-12 (GND) - Body ground*1 W-B - Body ground Ground Always Below 1 Ω
      Q10-12 (GND) - Body ground*2 W-B - Body ground Ground Always Below 1 Ω

      • *1: for LHD

      • *2: for RHD

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