Test Z

PINPOINT TEST Z: A SINGLE MIRROR IS INOPERATIVE - WITHOUT HEATED MIRRORS

Test Z1:

Test Z1-Z2:

Test Z3-Z5:

Test Z5-Z7:

Test Z7-Z8:

Normal Operation
The exterior mirror control switch receives power from circuit 956 (OG/LG) and ground from circuit 1205 (BK). The exterior mirror control switch controls the LH exterior mirror by switching power and ground to circuits 942 (RD/OG), 940 (DB/OG) and 945 (YE/BK) and for the RH exterior mirror by switching power and ground to circuits 944 (DG/OG), 943 (VT/OG) and 945 (YE/BK)

Possible Causes
- circuit 940 (DB/OG) open
- circuit 942 (RD/OG) open
- circuit 943 (VT/OG) open
- circuit 944 (DG/OG) open
- circuit 945 (YE/BK) open
- exterior mirror control switch
- exterior mirror