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Control Circuit Testing

WARNING: This page is about a different car, the 2008 Jeep Commander. However, it is still accessible from the selected car via links, so may be relevant.

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 .
  2. Starter Solenoid  - Refer to STARTER MOTOR  in the Diagnosis and Testing.
  3. Ignition Switch  - Refer to SWITCH-IGNITION and CYLINDER - IGNITION KEY AND LOCK . Replace ignition switch if required.
  4. Clutch Pedal Position Switch  - If equipped with manual transmission.
  5. Park/Neutral Position Switch  - If equipped with automatic transmission, refer to Park/Neutral position switch (Transmission Range Sensor). Refer to appropriate Transmission SERVICE INFORMATION article.
  6. Wire harnesses and connections  - Refer to the SYSTEM WIRING DIAGRAMS article .
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