POWER MIRROR CONTROL SYSTEM TERMINALS OF ECU


  1. CHECK OUTER MIRROR CONTROL ECU ASSEMBLY LH

    A01MGWBE01

    1. Disconnect the L10 outer mirror control ECU assembly connector.

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

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      L10-5 (SIG) - L10-7 (GND) Y - BR Power source Power switch on (IG) 11 to 14 V
      Power switch off Below 1 V
      L10-6 (CPUB) - L10-7 (GND)

      BR - BR (for LHD)

      BE - BR (for RHD)

      		 Power source Power switch off 11 to 14 V
      L10-14 (BDR) - L10-7 (GND) SB - BR Power source Power switch off 11 to 14 V
      L10-7 (GND) - Body ground BR - Body ground Ground Always Below 1 Ω

    3. Reconnect the L10 outer mirror control ECU assembly connector.

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

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      z11-3 (MR) - Body ground G - Body ground Power retract mirror motor drive voltage

      • Power switch on (ACC)

      • Outer rear view mirror assembly being retracted

      		 11 to 14 V

      • Power switch on (ACC)

      • Outer rear view mirror assembly stopped

      		 Below 1 V
      z11-11 (MF) - Body ground L - Body ground Power retract mirror motor drive voltage

      • Power switch on (ACC)

      • Outer rear view mirror assembly returning

      		 11 to 14 V

      • Power switch on (ACC)

      • Outer rear view mirror assembly stopped

      		 Below 1 V
      z11-1 (MV) - Body ground W - Body ground Mirror motor drive voltage

      • Power switch on (ACC)

      • Mirror surface stopped

      		 Below 1 V

      • Power switch on (ACC)

      • Mirror surface moving downward or left

      		 Below 1 V

      • Power switch on (ACC)

      • Mirror surface moving upward

      		 11 to 14 V
      z11-9 (MH) - Body ground R - Body ground Mirror motor drive voltage

      • Power switch on (ACC)

      • Mirror surface stopped

      		 Below 1 V

      • Power switch on (ACC)

      • Mirror surface moving upward or right

      		 Below 1 V

      • Power switch on (ACC)

      • Mirror surface moving left

      		 11 to 14 V
      z11-10 (M+) - Body ground B - Body ground Mirror motor drive voltage

      • Power switch on (ACC)

      • Mirror surface stopped

      		 Below 1 V

      • Power switch on (ACC)

      • Mirror surface moving upward or left

      		 Below 1 V

      • Power switch on (ACC)

      • Mirror surface moving downward or right

      		 11 to 14 V
      z11-4 (+) - z11-12 (-) BR-W - B-R Mirror heater drive voltage

      • Power switch on (IG)

      • Rear window defogger switch on

      		 11 to 14 V

      • Power switch on (IG)

      • Rear window defogger switch off

      		 Below 1 V
      z11-5 (VC) - z11-14 (E1) SB - GR Mirror position sensor power supply Power switch on (IG) 4.5 to 5.5 V
      Power switch off Below 1 V
      z11-6 (VSRL) - Body ground V - Body ground Vertical direction position sensor signal

      • Power switch on (ACC)

      • Mirror surface moving upward or downward

      		 Changes within range of 0 to 5 V
      z11-13 (HSRL) - Body ground LG - Body ground Horizontal direction position sensor signal

      • Power switch on (ACC)

      • Mirror surface moving left or right

      		 Changes within range of 0 to 5 V
      L10-2 (M1) - L10-7 (GND)*1 BE - BR Seat memory switch M1 signal

      • Power switch on (IG)

      • Seat memory switch M1 off

      		 11 to 14 V

      • Power switch on (IG)

      • Seat memory switch M1 on

      		 Below 1 V
      L10-3 (M2) - L10-7 (GND)*1 GR - BR Seat memory switch M2 signal

      • Power switch on (IG)

      • Seat memory switch M2 off

      		 11 to 14 V

      • Power switch on (IG)

      • Seat memory switch M2 on

      		 Below 1 V
      L10-1 (MM) - L10-7 (GND)*1 LG - BR Seat memory switch SET signal

      • Power switch on (IG)

      • Seat memory switch SET off

      		 11 to 14 V

      • Power switch on (IG)

      • Seat memory switch SET on

      		 Below 1 V

      • *1: for LHD

  2. CHECK OUTER MIRROR CONTROL ECU ASSEMBLY RH

    A01MGWBE02

    1. Disconnect the L1 outer mirror control ECU assembly connector.

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

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      L1-5 (SIG) - L1-7 (GND) G - BR Power source Power switch on (IG) 11 to 14 V
      Power switch off Below 1 V
      L1-6 (CPUB) - L1-7 (GND) GR - BR Power source Power switch off 11 to 14 V
      L1-14 (BDR) - L1-7 (GND) R - BR Power source Power switch off 11 to 14 V
      L1-7 (GND) - Body ground BR - Body ground Ground Always Below 1 Ω

    3. Reconnect the L1 outer mirror control ECU assembly connector.

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

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      z12-3 (MR) - Body ground G - Body ground Power retract mirror motor drive voltage

      • Power switch on (ACC)

      • Outer rear view mirror assembly being retracted

      		 11 to 14 V

      • Power switch on (ACC)

      • Outer rear view mirror assembly stopped

      		 Below 1 V
      z12-11 (MF) - Body ground L - Body ground Power retract mirror motor drive voltage

      • Power switch on (ACC)

      • Outer rear view mirror assembly returning

      		 11 to 14 V

      • Power switch on (ACC)

      • Outer rear view mirror assembly stopped

      		 Below 1 V
      z12-1 (MV) - Body ground W - Body ground Mirror motor drive voltage

      • Power switch on (ACC)

      • Mirror surface stopped

      		 Below 1 V

      • Power switch on (ACC)

      • Mirror surface moving downward or left

      		 Below 1 V

      • Power switch on (ACC)

      • Mirror surface moving upward

      		 11 to 14 V
      z12-9 (MH) - Body ground R - Body ground Mirror motor drive voltage

      • Power switch on (ACC)

      • Mirror surface stopped

      		 Below 1 V

      • Power switch on (ACC)

      • Mirror surface moving upward or right

      		 Below 1 V

      • Power switch on (ACC)

      • Mirror surface moving left

      		 11 to 14 V
      z12-10 (M+) - Body ground B - Body ground Mirror motor drive voltage

      • Power switch on (ACC)

      • Mirror surface stopped

      		 Below 1 V

      • Power switch on (ACC)

      • Mirror surface moving upward or left

      		 Below 1 V

      • Power switch on (ACC)

      • Mirror surface moving downward or right

      		 11 to 14 V
      z12-4 (+) - z12-12 (-) BR-W - B-R Mirror heater drive voltage

      • Power switch on (IG)

      • Rear window defogger switch on

      		 11 to 14 V

      • Power switch on (IG)

      • Rear window defogger switch off

      		 Below 1 V
      z12-5 (VC) - z12-14 (E1) SB - GR Mirror position sensor power supply Power switch on (IG) 4.75 to 5.25 V
      Power switch off Below 1 V
      z12-6 (VSSR) - Body ground V - Body ground Vertical direction position sensor signal

      • Power switch on (ACC)

      • Mirror surface moving upward or downward

      		 Changes within range of 0 to 5 V
      z12-13 (HSSR) - Body ground LG - Body ground Horizontal direction position sensor signal

      • Power switch on (ACC)

      • Mirror surface moving left or right

      		 Changes within range of 0 to 5 V
      L1-2 (M1) - L1-7 (GND)*1 P - BR Seat memory switch M1 signal

      • Power switch on (IG)

      • Seat memory switch M1 off

      		 11 to 14 V

      • Power switch on (IG)

      • Seat memory switch M1 on

      		 Below 1 V
      L1-3 (M2) - L1-7 (GND)*1 L - BR Seat memory switch M2 signal

      • Power switch on (IG)

      • Seat memory switch M2 off

      		 11 to 14 V

      • Power switch on (IG)

      • Seat memory switch M2 on

      		 Below 1 V
      L2-1 (MM) - L1-7 (GND)*1 SB - BR Seat memory switch SET signal

      • Power switch on (IG)

      • Seat memory switch SET off

      		 11 to 14 V

      • Power switch on (IG)

      • Seat memory switch SET on

      		 Below 1 V

      • *1: for RHD

  3. CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))

    A01MHR4C02
    *1 Instrument Panel Junction Block Assembly - -
    A01MIP9C06
    *1 Main Body ECU (Multiplex Network Body ECU) - -

    1. Measure the voltage and pulse according to the value(s) in the table below.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      G7-4 (MIRB) -G7-6 (MIRE) L - BE Mirror surface adjust switch signal

      • Power switch on (ACC)

      • Mirror surface adjust switch up

      		 Below 1.7 V

      • Power switch on (ACC)

      • Mirror surface adjust switch right

      		 Below 2.7 V

      • Power switch on (ACC)

      • Mirror surface adjust switch down

      		 Below 3.5 V

      • Power switch on (ACC)

      • Mirror surface adjust switch left

      		 Below 4 V

      • Power switch on (ACC)

      • Mirror surface adjust switch off

      		 3.8 to 5 V
      G7-5 (MIRS) - G7-6 (MIRE) P - BE Mirror select switch signal

      • Power switch on (ACC)

      • Mirror select switch L

      		 Below 2 V

      • Power switch on (ACC)

      • Mirror select switch R

      		 Below 1 V

      • Power switch on (ACC)

      • Mirror select switch off

      		 3.8 to 5 V
      G5-14 (RET) - 4B-7 (GND1) GR - W-B Mirror retract switch signal

      • Power switch on (ACC)

      • Mirror retract switch not in return position

      		 Pulse generation (See waveform 1 or 2)

      • Power switch on (ACC)

      • Mirror retract switch in return position

      		 Below 1 V
      G5-15 (RTR) - 4B-7 (GND1) V - W-B Mirror retract switch signal

      • Power switch on (ACC)

      • Mirror retract switch not in retract position

      		 Pulse generation (See waveform 1 or 2)

      • Power switch on (ACC)

      • Mirror retract switch in retract position

      		 Below 1 V
    2. A01MFL1E03

      Using an oscilloscope, check waveform 1.

      Waveform 1 (Reference)
      Item Content
      Terminal No. (Symbol) G5-14 (RET) or G5-15 (RTR) - 4B-7 (GND1)
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition

      • Power switch on (ACC)

      • Mirror retract switch not in retract position
    3. A01MGHJE03

      Using an oscilloscope, check waveform 2.

      Waveform 2 (Reference)
      Item Content
      Terminal No. (Symbol) G5-14 (RET) or G5-15 (RTR) - 4B-7 (GND1)
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition

      • Power switch on (ACC)

      • Mirror retract switch not in retract position