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

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  1. A01CAVBE13

    CHECK OUTER MIRROR CONTROL ECU ASSEMBLY (for RHD)


    1. Disconnect the I10 connector from the outer mirror control ECU assembly.

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

      Tip:

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

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      I10-9 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      I10-3 (B) - I10-9 (GND) Y - W-B Battery (ECU power source) Always 11 to 14 V
      I10-4 (ACC) - I10-9 (GND) P - W-B ACC power supply Engine switch off Below 1 V
      Engine switch on (ACC) 11 to 14 V

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

    3. Reconnect the I10 connector to the outer mirror control ECU assembly.

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

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      I10-1 (RL) - I10-9 (GND) V - W-B Mirror retract motor output (retracting) Outer mirror retractable switch on (Outer rear view mirror assembly LH retracting) 10.3 to 14 V
      I10-2 (FL) - I10-9 (GND) LG - W-B Mirror retract motor output (returning) Outer mirror retractable switch off (Outer rear view mirror assembly LH returning) 10.3 to 14 V
      I10-5 (RR) - I10-9 (GND) V - W-B Mirror retract motor output (retracting) Outer mirror retractable switch on (Outer rear view mirror assembly RH retracting) 10.3 to 14 V
      I10-6 (FR) - I10-9 (GND) LG - W-B Mirror retract motor output (returning) Outer mirror retractable switch off (Outer rear view mirror assembly RH returning) 10.3 to 14 V
      I9-18 (M+L) - I10-9 (GND) Y - W-B Mirror motor output Mirror select switch L, Mirror adjust switch off Below 1 V
      Mirror select switch L, Mirror adjust switch up or left Below 1 V
      Mirror select switch L, Mirror adjust switch down or right 11 to 14 V
      I9-19 (MHL) - I10-9 (GND) B - W-B Mirror motor output Mirror select switch L, Mirror adjust switch off Below 1 V
      Mirror select switch L, Mirror adjust switch right Below 1 V
      Mirror select switch L, Mirror adjust switch left 11 to 14 V
      I9-20 (MVL) - I10-9 (GND) L - W-B Mirror motor output Mirror select switch L, Mirror adjust switch off Below 1 V
      Mirror select switch L, Mirror adjust switch down Below 1 V
      Mirror select switch L, Mirror adjust switch up 11 to 14 V
      I9-38 (M+R) - I10-9 (GND) Y - W-B Mirror motor output Mirror select switch R, Mirror adjust switch off Below 1 V
      Mirror select switch R, Mirror adjust switch up or left Below 1 V
      Mirror select switch R, Mirror adjust switch down or right 11 to 14 V
      I9-39 (MHR) - I10-9 (GND) P - W-B Mirror motor output Mirror select switch R, Mirror adjust switch off Below 1 V
      Mirror select switch R, Mirror adjust switch right Below 1 V
      Mirror select switch R, Mirror adjust switch left 11 to 14 V
      I9-40 (MVR) - I10-9 (GND) GR - W-B Mirror motor output Mirror select switch R, Mirror adjust switch off Below 1 V
      Mirror select switch R, Mirror adjust switch down Below 1 V
      Mirror select switch R, Mirror adjust switch up 11 to 14 V
      I9-4 (VSR) - I9-3 (LE1) R - BR Vertical direction position signal

      Mirror select switch L

      Mirror adjust switch up or down

      Voltage fluctuates between 0.49 and 4.45 V
      I9-5 (HSRL) - I9-3 (LE1) P - BR Horizontal direction position signal

      Mirror select switch L

      Mirror adjust switch right or left

      Voltage fluctuates between 0.49 and 4.45 V
      I9-2 (LVC) - I9-3 (LE1) W - BR Power source for mirror position sensor Engine switch off during sleep mode Below 1 V
      Engine switch on (IG) 4.7 to 5.5 V
      I9-24 (VSRR) - I9-23 (RE1) W - P Vertical direction position signal

      Mirror select switch R

      Mirror adjust switch up or down

      Voltage fluctuates between 0.49 and 4.45 V
      I9-25 (HSRR) - I9-23 (RE1) B - P Horizontal direction position signal

      Mirror select switch R

      Mirror adjust switch right or left

      Voltage fluctuates between 0.49 and 4.45 V
      I9-22 (RVC) - I9-23 (RE1) BR - P Power source for mirror position sensor Engine switch off during sleep mode Below 1 V
      Engine switch on (IG) 4.7 to 5.5 V

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

  2. A01CAVBE20

    CHECK OUTER MIRROR CONTROL ECU ASSEMBLY (for LHD)


    1. Disconnect the J13 connector from the outer mirror control ECU assembly.

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

      Tip:

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

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      J13-9 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      J13-3 (B) - J13-9 (GND) Y - W-B Battery (ECU power source) Always 11 to 14 V
      J13-4 (ACC) - J13-9 (GND) P - W-B ACC power supply Engine switch off Below 1 V
      Engine switch on (ACC) 11 to 14 V

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

    3. Reconnect the J13 connector to the outer mirror control ECU assembly.

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

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      J13-1 (RL) - J13-9 (GND) V - W-B Mirror retract motor output (retracting) Outer mirror retractable switch on (Outer rear view mirror assembly LH retracting) 10.3 to 14 V
      J13-2 (FL) - J13-9 (GND) LG - W-B Mirror retract motor output (returning) Outer mirror retractable switch off (Outer rear view mirror assembly LH returning) 10.3 to 14 V
      J13-5 (RR) - J13-9 (GND) V - W-B Mirror retract motor output (retracting) Outer mirror retractable switch on (Outer rear view mirror assembly RH retracting) 10.3 to 14 V
      J13-6 (FR) - J13-9 (GND) LG - W-B Mirror retract motor output (returning) Outer mirror retractable switch off (Outer rear view mirror assembly RH returning) 10.3 to 14 V
      J12-18 (M+L) - J13-9 (GND) Y - W-B Mirror motor output Mirror select switch L, Mirror adjust switch off Below 1 V
      Mirror select switch L, Mirror adjust switch up or left Below 1 V
      Mirror select switch L, Mirror adjust switch down or right 11 to 14 V
      J12-19 (MHL) - J13-9 (GND) B - W-B Mirror motor output Mirror select switch L, Mirror adjust switch off Below 1 V
      Mirror select switch L, Mirror adjust switch right Below 1 V
      Mirror select switch L, Mirror adjust switch left 11 to 14 V
      J12-20 (MVL) - J13-9 (GND) L - W-B Mirror motor output Mirror select switch L, Mirror adjust switch off Below 1 V
      Mirror select switch L, Mirror adjust switch down Below 1 V
      Mirror select switch L, Mirror adjust switch up 11 to 14 V
      J12-38 (M+R) - J13-9 (GND) Y - W-B Mirror motor output Mirror select switch R, Mirror adjust switch off Below 1 V
      Mirror select switch R, Mirror adjust switch up or left Below 1 V
      Mirror select switch R, Mirror adjust switch down or right 11 to 14 V
      J12-39 (MHR) - J13-9 (GND) P - W-B Mirror motor output Mirror select switch R, Mirror adjust switch off Below 1 V
      Mirror select switch R, Mirror adjust switch right Below 1 V
      Mirror select switch R, Mirror adjust switch left 11 to 14 V
      J12-40 (MVR) - J13-9 (GND) GR - W-B Mirror motor output Mirror select switch R, Mirror adjust switch off Below 1 V
      Mirror select switch R, Mirror adjust switch down Below 1 V
      Mirror select switch R, Mirror adjust switch up 11 to 14 V
      J12-4 (VSR) - J12-3 (LE1) R - BR Vertical direction position signal

      Mirror select switch L

      Mirror adjust switch up or down

      Voltage fluctuates between 0.49 and 4.45 V
      J12-5 (HSRL) - J12-3 (LE1) P - BR Horizontal direction position signal

      Mirror select switch L

      Mirror adjust switch right or left

      Voltage fluctuates between 0.49 and 4.45 V
      J12-2 (LVC) - J12-3 (LE1) W - BR Power source for mirror position sensor Engine switch off during sleep mode Below 1 V
      Engine switch on (IG) 4.7 to 5.5 V
      J12-24 (VSRR) - J12-23 (RE1) W - P Vertical direction position signal

      Mirror select switch R

      Mirror adjust switch up or down

      Voltage fluctuates between 0.49 and 4.45 V
      J12-25 (HSRR) - J12-23 (RE1) B - P Horizontal direction position signal

      Mirror select switch R

      Mirror adjust switch right or left

      Voltage fluctuates between 0.49 and 4.45 V
      J12-22 (RVC) - J12-23 (RE1) BR - P Power source for mirror position sensor Engine switch off during sleep mode Below 1 V
      Engine switch on (IG) 4.7 to 5.5 V

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

  3. A01CB3DE15

    CHECK MAIN BODY ECU


    1. Disconnect the 4K, 4A and 4M connectors from the main body ECU.

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

      Tip:

      Measure the values wire harness side with the connector disconnected.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      4K-9 (BATB) - Body ground W - Body ground BATB power supply Always 11 to 14 V
      4A-26 (ACC) - Body ground GR - Body ground ACC power supply Always 11 to 14 V
      4M-1 (IG) - Body ground W - Body ground IG power supply Always 11 to 14 V
      4A-3 (GND2) - Body ground W-B - Body ground Body ground Always Below 1 Ω

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

    3. Reconnect the 4K, 4A and 4M connectors to the main body ECU.

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

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      G49-6 (RET) - 4A-3(GND2) V - W-B Mirror retract motor output (retracting) Power mirror retract switch on 11 to 14 V
      G49-6 (RET) - 4A-3(GND2) V - W-B Mirror retract motor output (returning) Power mirror retract switch off Below 1 V
      G48-12 (MIRS) - G48-2 (MIRE) W - Y Mirror motor output Mirror select switch L 11 to 14 V
      Mirror select switch R 11 to 14 V
      Mirror select switch off Below 1 V
      G48-11 (MIRB) - G48-2 (MIRE) P - Y Mirror motor output Mirror select switch L, Mirror adjust switch right 11 to 14 V
      Mirror select switch L, Mirror adjust switch left 11 to 14 V
      Mirror select switch L, Mirror adjust switch down 11 to 14 V
      Mirror select switch L, Mirror adjust switch up 11 to 14 V
      Mirror select switch R, Mirror adjust switch right 11 to 14 V
      Mirror select switch R, Mirror adjust switch left 11 to 14 V
      Mirror select switch R, Mirror adjust switch down 11 to 14 V
      Mirror select switch R, Mirror adjust switch up 11 to 14 V
      Mirror select switch off Below 1 V

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