Test C: Speed Control Switch Stuck Or Circuit Failure

PINPOINT TEST C: SPEED CONTROL SWITCH STUCK OR CIRCUIT FAILURE

Normal Operation
The PCM sends a signal through circuit 151 (LB/BK) to the speed control switches, which passes through the clockspring. The return signal is sent through circuit 848 (DG/OG) and the clockspring.







This pinpoint test is intended to diagnose the following:
- Wiring, terminals, or connectors
- Clockspring
- Speed control switch
- PCM

C1-C2:

C2-C3:

C3-C4:

C4-C5:

C5-C6:

C6-C7:

C7-C8:

C9-C10:

C10-C11: