Outer Mirror Control Ecu: Inspection
- INSPECT OUTER MIRROR CONTROL ECU
- Disconnect the connector from the mirror control ECU assembly.
- Check the voltage or continuity of each terminal of the wire harness side connector.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Standard
VOLTAGE AND RESISTANCE SPECIFICATIONTerminal No. Switch Position Specified Condition 1 - Body ground Constant 10 to 14 V 2 - Body ground Ignition switch OFF → ACC 0 V → 10 to 14 V 14 - Body ground Constant Below 1 Ω 15 - Body ground Shift position P → R 0 V → 10 to 14 V If the result is not as specified, there may be a malfunction on the wire harness side.
- Connect the connector to the mirror control ECU assembly.
- Check the voltage or continuity of each terminal of the wire harness side connector.
Standard voltage
VOLTAGE SPECIFICATIONTerminal No. Switch Position Specified Condition 10 - Body ground Ignition switch ACC, Left/right adjustment switch L side, Mirror switch OFF → RIGHT or DOWN 0 V → 8 V or more 11 - Body ground Ignition switch ACC, Left/right adjustment switch L side, Mirror switch OFF → LEFT 0 V → 8 V or more 12 - Body ground Ignition switch ACC, Left/right adjustment switch L side, Mirror switch OFF → UP 0 V → 8 V or more 22 - Body ground Ignition switch ACC, Left/right adjustment switch R side, Mirror switch OFF → RIGHT or DOWN 0 V → 8 V or more 23 - Body ground Ignition switch ACC, Left/right adjustment switch R side, Mirror switch OFF → LEFT 0 V → 8 V or more 24 - Body ground Ignition switch ACC, Left/right adjustment switch R side, Mirror switch OFF → UP 0 V → 8 V or more If the result is not as specified, replace the mirror assembly.
Standard voltage
VOLTAGE SPECIFICATIONTerminal No. Switch Position Specified Condition 8 - Body ground Ignition switch ACC, Left/right adjustment switch L side, Mirror switch innermost → Outermost Approx. 4 V → 0.23 V 9 - Body ground Ignition switch ACC, Left/right adjustment switch L side, Mirror switch uppermost → Lowermost Approx. 3.7 V → 0.27 V 20 - Body ground Ignition switch ACC, Left/right adjustment switch L side, Mirror switch innermost → Outermost Approx. 4 V → 0.23 V 21 - Body ground Ignition switch ACC, Left/right adjustment switch R side, Mirror switch uppermost → Lowermost Approx. 3.7 V → 0.27 V 13 - Body ground Ignition switch OFF, All lights OFF, All doors closed and left untouched for 30 sec. or more → Any door open No Hz output (0 Hz) → Hz output 25 - Body ground Ignition switch OFF, All lights OFF, All doors closed and left untouched for 30 sec. or more → Any door open No Hz output (0 Hz) → Hz output If the result is not as specified, replace the mirror assembly or the multiplex control may malfunction.
Standard voltage
VOLTAGE SPECIFICATIONTerminal No. Switch Position Specified Condition 7 - Body ground Ignition switch OFF → ACC 0 V → 5 V If the result is not as specified, replace the mirror control ECU assembly.