Control Circuit Testing

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

• Starter Relay - Refer to Starter Relay The starter relay is located within the Totally Integrated Power Module (TIPM). Refer to FUSE - RELAY LOCATIONS AND TYPES, SPECIFICATIONS .
• Starter Solenoid - Refer to DIAGNOSIS AND TESTING .
• Ignition Switch - Refer to Ignition Switch and Key Lock Cylinder
• Park/Neutral Position Switch - If equipped with an automatic transmission, refer to Park/Neutral Position Switch in appropriate TRANSMISSION SERVICE INFORMATION article.
• Clutch Interlock Switch - Refer to DIAGNOSIS AND TESTING .
• Wire harnesses and connections - Refer to SYSTEM WIRING DIAGRAMS article.