Pinout Values and Diagnostic Parameters
TERMINALS OF ECU1. CHECK OUTER MIRROR CONTROL ECU ASSY LH
Terminals Of Control Module/Pinouts:
a. Disconnect the R21 ECU connector.
b. Check the voltage and resistance of each terminal of the wire harness side connector.
If the result is not as specified, there may be a malfunction on the wire harness side.
c. Reconnect the R21 ECU connector.
d. Check the voltage of each terminal of the R23 ECU connector.
If the result is not as specified, replace the mirror assy or the ECU may be malfunctioning.
2. CHECK OUTER MIRROR CONTROL ECU ASSY RH
Terminals Of Control Module/Pinouts:
a. Disconnect the R22 ECU connector.
b. Check the voltage and resistance of each terminal of the wire harness side connector.
If the result is not as specified, there may be a malfunction on the wire harness side.
c. Reconnect the R22 ECU connector.
d. Check the voltage of each terminal of the R24 ECU connector.
If the result is not as specified, replace the mirror assy or the ECU may be malfunctioning.