Operation CHARM: Car repair manuals for everyone.

Test B: A Single Mirror Is Inoperative

PINPOINT TEST B: A SINGLE MIRROR IS INOPERATIVE


B1:






B2-B6:






B6-B8:






B8-B10:






B10-B11:






B12-B13:






B13-B15:






B16-B17:






B18-B20:






B20-B23:






B23-B25:






B25-B26:






B27-B29:






B29-B31:






B31-B33:






Normal Operation
The exterior mirror control switch sends input to the driver door module (DDM) for the LH exterior mirror by switching voltage and ground to circuits 32-AD32 (WH/RD), 34-AD31 (BU/WH) and 33-AD12 (YE) and for the RH exterior mirror by switching voltage and ground to circuits 32-AD30 (WH/BK), 34-AD29 (BU/OG) and 33-AD12 (YE). The DDM then sends the appropriate voltage and ground for the LH exterior mirror motor up/down circuits 34-AD8 (BU/WH), 35-AD8 (VT) and left/right circuits 32-AD7 (WH/RD) and 33-AD7 (YE/RD). The DDM sends a message to the front electronic module (FEM) over the communication network for the FEM to send the appropriate voltage and ground for the RH exterior mirror motor up/down circuits 34-AD11 (BU/OG), 35-AD11 (VT/WH) and left/right circuits 32-AD10 (WH/BK), 33-AD10 (YE/BK).

Possible Causes
- fuse
- circuit 7-AD18 (YE/BK) open, short to ground, or short to voltage
- circuit 7-AD19 (YE/RD) open, short to ground, or short to voltage
- circuit 8-AD18 (WH/BK) open, short to ground, or short to voltage
- circuit 8-AD19 (WH/RD) open, short to ground, or short to voltage
- circuit 9-AD18 (BN/YE) open, short to ground, or short to voltage
- circuit 9-AD19 (BN/RD) open, short to ground, or short to voltage
- circuit 10-AD18 (GY/BK) open, short to ground,or short to voltage
- circuit 10-AD19 (GY/RD) open, short to ground, or short to voltage
- circuit 29S-AJ86 open
- circuit 29S-DK21 (OG/WH) open or short to ground
- circuit 32-AD7 (WH/RD) open or short to ground
- circuit 32-AD10 (WH/BK) open or short to ground
- circuit 32-AD30 (WH/BK) open
- circuit 32-AD32 (WH/RD) open
- circuit 33-AD7 (YE/RD) open or short to ground
- circuit 33-AD10 (YE/BK) open or short to ground
- circuit 33-AD12 (YE) open
- circuit 34-AD8 (BU/WH) open or short to ground
- circuit 34-AD11 (BU/OG) open or short to ground
- circuit 34-AD29 (BU/OG) open
- circuit 34-AD31 (BU/WH) open
- circuit 35-AD8 (VT) open or short to ground
- circuit 35-AD11 (VT/WH) open or short to ground
- exterior mirror control switch
- FEM
- DDM
- exterior mirror motor