Diagnosis And Testing - Starting System: Inspection
For complete starter wiring circuit diagrams, refer to the SYSTEM WIRING DIAGRAMS article. Before removing any unit from starting system for repair or diagnosis, perform the following inspections:
WARNING:
On vehicles equipped with airbags, refer to the RESTRAINTS - SERVICE INFORMATION
article, before attempting any steering wheel, steering column, or instrument panel component diagnosis or service. Failure to take the proper precautions could result in accidental airbag deployment and possible personal injury.
- Battery - Visually inspect battery for indications of physical damage and loose or corroded cable connections. Determine state-of-charge and cranking capacity of battery. Charge or replace battery if required. Refer to the BATTERY SYSTEM article. Note: If equipped with diesel engine, a dual battery system may be used, and both batteries must be inspected.
- Ignition Switch - Visually inspect ignition switch for indications of physical damage and loose or corroded wire harness connections. Refer to Ignition Switch and Key Lock Cylinder.
- Park/Neutral Position Switch - Visually inspect park/neutral position switch for indications of physical damage and loose or corroded wire harness connections. Refer to appropriate Transmission SERVICE INFORMATION article.
- Starter Relay - Visually inspect starter relay for indications of physical damage and loose or corroded wire harness connections.
- Starter Motor - Visually inspect starter motor for indications of physical damage and loose or corroded wire harness connections.
- Starter Solenoid - Visually inspect starter solenoid for indications of physical damage and loose or corroded wire harness connections.
- Wiring - Visually inspect wire harnesses for damage. Repair or replace any faulty wiring, as required. Refer to the SYSTEM WIRING DIAGRAMS article.