Control Circuit Testing

The starter control circuit components should be tested in the order in which they are listed, as follows:

1. Starter Relay  - Refer to Starter Relay  . The starter relay is located within the TIPM (Totally Integrated Power Module). Refer to "no crank condition" in 9 - Engine - Electrical Diagnosis.
2. Starter Solenoid  - Refer to Starter Motor  .
3. Ignition Switch  - Refer to Ignition Switch and Key Lock Cylinder 
4. Clutch Pedal Position Switch  - If equipped with manual transmission, refer to SWITCH-CLUTCH PEDAL POSITION .
5. Park/Neutral Position Switch  - If equipped with automatic transmission, refer to TRANSMISSION RANGE SENSOR .
6. Wire harnesses and connections  - Refer to SYSTEM WIRING DIAGRAMS article .