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Terminals Of Ecu

  1. CHECK OUTER MIRROR CONTROL ECU LH 
    Fig 1: Identifying M10 And h1 Connector Terminal
    G05756173Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the M10 connector.
    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage 

      VOLTAGE SPECIFICATION

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      M10-3 (SIG) - Body ground B - Body ground Ignition power supply Engine switch off → on (IG) 0 V → 11 to 14 V
      M10-4 (CPUB) - Body ground G - Body ground +B power supply Always 11 to 14 V
      M10-6 (BDR) - Body ground L - Body ground +B power supply Always 11 to 14 V

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

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance 

      RESISTANCE REFERENCE

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      M10-1 (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.

    4. Reconnect the M10 connector.
    5. Measure the voltage according to the value(s) in the table below

      Standard Voltage 

      VOLTAGE SPECIFICATION

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      h1-1 (MV) - Body ground W - Body ground Outer mirror switch signal (Up or Right) Engine switch on (IG), Left/Right adjustment switch L side, Mirror switch OFF → UP or Right 0 V → 11 to 14 V
      h1-5 (VC) - Body ground SB - Body ground Power source for mirror position sensor Engine switch off → on (IG) 0 V → 5 V
      h1-6 (VSSR) - Body ground V - Body ground Vertical direction position signal Engine switch on (IG), Left/Right adjustment switch L side, Mirror switch uppermost position → lowermost position 0 V → 1 to 3 V
      h1-9 (MH) - Body ground R - Body ground Outer mirror switch signal (Left or Down) Engine switch on (IG), Left/Right adjustment switch L side, Mirror switch OFF → LEFT or DOWN 0 V → 11 to 14 V
      h1-10 (M+) - Body ground B - Body ground Outer mirror switch signal (Right or Down) Engine switch on (IG), Left/Right adjustment switch L side, Mirror switch OFF → RIGHT or DOWN 0V → 11 to 14 V
      h1-13 (HSSR) - Body ground LG - Body ground Horizontal direction position signal Engine switch on (IG), Left/Right adjustment switch L side, Mirror switch innermost position → outermost position 0 V → 1 to 3 V
  2. CHECK OUTER MIRROR CONTROL ECU RH 
    Fig 2: Identifying L10 And g1 Connector Terminal
    G05756174Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the L10 connector.
    2. Measure the voltage according to the value(s) in the table below

      Standard Voltage 

      VOLTAGE SPECIFICATION

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      L10-3 (SIG) - Body ground B - Body ground Ignition power supply Engine switch off → on (IG) 0 V → 11 to 14 V
      L10-4 (CPUB) - Body ground G - Body ground +B power supply Always 11 to 14 V
      L10-6 (BDR) - Body ground L - Body ground +B power supply Always 11 to 14 V

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

    3. Measure the resistance according to the value(s) in the table below

      Standard Resistance 

      RESISTANCE REFERENCE

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      L10-1 (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.

    4. Reconnect the L10 connector
    5. Measure the voltage according to the value(s) in the table below

      Standard Voltage 

      VOLTAGE SPECIFICATION

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      g1-1 (MV) - Body ground W - Body ground Outer mirror switch signal (Up or Right) Engine switch on (IG), Left/Right adjustment switch R side, Mirror switch OFF → UP or Right 0 V → 11 to 14 V
      g1-5 (VC) - Body ground SB - Body ground Power source for mirror position sensor Engine switch off → on (IG) 0 V → 5 V
      g-6 (VSSR) - Body ground V - Body ground Vertical direction position signal Engine switch on (IG), Left/Right adjustment switch R side, Mirror switch uppermost position → lowermost position 0 V → 1 to 3V
      g1-9 (MH) - Body ground R - Body ground Outer mirror switch signal (Left or Down) Engine switch on (IG), Left/Right adjustment switch R side, Mirror switch OFF → LEFT or DOWN 0 V → 11 to 14 V
      g1-10 (M+) - Body ground B - Body ground Outer mirror switch signal (Right or Down) Engine switch on (IG), Left/Right adjustment switch R side, Mirror switch OFF → RIGHT or DOWN 0 V → 11 to 14 V
      g1-13 (HSSR) - Body ground LG - Body ground Horizontal direction position signal Engine switch on (IG), Left/Right adjustment switch R side, Mirror switch innermost position → outermost position 0 V → 1 to 3 V
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