Starting System: Notes
WARNING: This page is about a different car, the 2012 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
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 inoperative | 1. Charge and test battery. Refer to DIAGNOSIS AND TESTING . Replace battery, if required. |
| 2. Starter motor or solenoid inoperative | 2. Test the starter motor and solenoid. Refer to STARTER, DIAGNOSIS AND TESTING . Replace starter motor, if required. | |
| 3. Starter relay inoperative | 3. Refer to the appropriate wiring information. Test and replace the starter relay, if required | |
| 4. Park/Neutral position switch inoperative (if equipped with automatic transmission) | 4. Refer to the appropriate Diagnostic information. Test and adjust or replace switch, if required. | |
| 5. Ignition switch inoperative | 5. Test the Ignition Switch and Key Lock Cylinder. Replace ignition switch if required. | |
| 6. Starting circuit wiring inoperative | 6. Refer to the appropriate wiring information. Test and repair starter feed and/or control circuits, if required. | |
| STARTER ENGAGES, BUT FAILS TO TURN ENGINE | 1. Battery discharged or inoperative | 1. Charge and test battery. Refer to DIAGNOSIS AND TESTING . Replace battery if required. |
| 2. Starter motor or solenoid inoperative | 2. Test the starter motor and solenoid. Refer to STARTER, DIAGNOSIS AND TESTING . Replace starter motor if required. | |
| 3. Starting circuit wiring inoperative | 3. Refer to the appropriate wiring information. Test and repair starter feed and/or control circuits, if required. | |
| 4. Engine seized | 4. Refer to the appropriate diagnostic information. Test and repair engine as required. | |
| STARTER ENGAGES, BUT THEN DISENGAGES BEFORE ENGINE STARTS | 1. Starter motor or solenoid inoperative | 1. Test the starter motor and solenoid. Refer to STARTER, DIAGNOSIS AND TESTING . Replace starter motor, if required. |
| 2. Starter ring gear damaged | 2. Remove starter motor and inspect starter ring gear. Refer to STARTER, REMOVAL . Replace starter ring gear, if required. | |
| STARTER DOES NOT DISENGAGE | 1. Starter motor incorrectly installed or solenoid inoperative | 1. Inspect and test the starter motor and solenoid. Refer to STARTER, DIAGNOSIS AND TESTING . Replace starter motor, if required. |
| 2. Starter relay inoperative | 2. Refer to the appropriate wiring information. Test and replace the starter relay, if required. | |
| 3. Ignition switch inoperative | 3. Test the Ignition Switch and Key Lock Cylinder. Replace ignition switch, if required. |