Test C: A Single Mirror Does Not Function With Switch Logic

PINPOINT TEST C: A SINGLE MIRROR DOES NOT FUNCTION WITH SWITCH LOGIC

Normal Operation
The exterior mirror control switch controls the LH exterior mirror movement by switching voltage and ground to circuits CPM14 (GY/BN), CPM16 (BN/BU) and CPM23 (GY). The exterior mirror switch controls the RH exterior mirror movement by switching voltage and ground to circuits CPM18 (GN/BN), CPM19 (GY/OG) and CPM23 (GY).

Mirror Movement
- When the LH/RH exterior mirror motor receives ground through circuit CPM16 (BN/BU)/CPM19 (GY/OG) and power through circuit CPM23 (GY), the LH/RH exterior mirror will operate left.
- When the LH/RH exterior mirror motor receives power through circuit CPM16 (BN/BU)/CPM19 (GY/OG) and ground through circuit CPM23 (GY), the LH/RH exterior mirror will operate right.
- When the LH/RH exterior mirror motor receives ground through circuit CPM14 (GY/BN)/CPM18 (GN/BN) and power through circuit CPM23 (GY), the LH/RH exterior mirror will operate downward.
- When the LH/RH exterior mirror motor receives power through circuit CPM14 (GY/BN)/CPM18 (GN/BN) and ground through circuit CPM23 (GY), the LH/RH exterior mirror will operate upward.

This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- Exterior mirror control switch
- Exterior mirror motor
- Exterior mirror

C1-C2:

C3: