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Starting System: Notes

The battery, starting, and charging systems operate in conjunction with one another, and must be tested as a complete system. For correct starting/charging system operation, all of the components involved in these three systems must perform within specifications.

Starting System Diagnosis
CONDITION POSSIBLE CAUSE CORRECTION
STARTER FAILS TO OPERATE. 1. Battery discharged or faulty. 1. Charge or replace battery, if required. Refer to BATTERY SYSTEM - SERVICE INFORMATION article.
2. Starting circuit wiring faulty. 2. Test and repair starter feed and/or control circuits, if required. Refer to SYSTEM WIRING DIAGRAMS article.
3. Starter relay faulty. 3. The starter relay is located within the TIPM (Totally Integrated Power Module). Refer to *NO CRANK CONDITION .
4. Ignition switch faulty. 4. Replace ignition switch if required. Refer to Ignition Switch and Key Lock Cylinder inIGNITION SYSTEM - SERVICE INFORMATION article.
5. Clutch pedal position switch faulty (if equipped). 5. Refer to Clutch Pedal Position Switch.
6. Park/Neutral position switch (Transmission Range Sensor) faulty or misadjusted. 6. Replace park/neutral position switch if required. Refer to Park/Neutral Position switch (Transmission Range Sensor) in appropriate Automatic Transmission SERVICE INFORMATION article.
7. Starter solenoid faulty. 7. Replace starter motor assembly if required. Refer to appropriate STARTER MOTOR  removal procedure.
8. Starter motor faulty. 8. If all other starting system components and circuits test OK, replace starter motor, refer to appropriate STARTER MOTOR  removal procedure.
STARTER ENGAGES, FAILS TO TURN ENGINE. 1. Battery discharged or faulty. 1. Charge or replace battery if required. Refer to BATTERY SYSTEM - SERVICE INFORMATION article.
2. Starting circuit wiring faulty. 2. Test and repair starter feed and/or control circuits if required. Refer to SYSTEM WIRING DIAGRAMS article.
3. Starter motor faulty. 3. If all other starting system components and circuits test OK, replace starter motor assembly. Refer appropriate to STARTER MOTOR  removal procedure.
4. Engine seized. 4. Refer to Engine Diagnosis in appropriate Engine SERVICE INFORMATION article.
STARTER ENGAGES, SPINS OUT BEFORE ENGINE STARTS. 1. Starter ring gear faulty. 1. Remove starter motor to inspect starter ring gear. Refer to appropriate Starter Motor STARTER MOTOR  Removal and Installation procedure . Replace starter ring gear if required.
2. Starter motor faulty. 2. If all other starting system components and circuits test OK, replace starter motor assembly.
STARTER DOES NOT DISENGAGE. 1. Starter motor improperly installed. 1. Tighten starter mounting hardware to correct torque specifications. Refer to appropriate STARTER MOTOR  installation procedure.
2. Starter relay faulty. 2. The starter relay is located within the TIPM (Totally Integrated Power Module). Refer to *NO CRANK CONDITION .
3. Ignition switch faulty. 4. Replace ignition switch if required. Refer to Ignition Switch and Key Lock Cylinder in IGNITION SYSTEM - SERVICE INFORMATION article.
4. Starter motor faulty. 4. If all other starting system components and circuits test OK, replace starter motor.