Starting System
WARNING: This page is about a different variant/trim than selected.
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. Replace battery, if required. |
| 2. Starter motor or solenoid inoperative | 2. Test the starter motor and solenoid. 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. Clutch pedal position switch inoperative (if equipped with manual transmission) | 4. Refer to the SENSOR, CLUTCH PEDAL POSITION . Test and adjust or replace switch, if required. | |
| 5. Park/Neutral position switch inoperative (if equipped with automatic transmission) | 5. Proceed to the Park/Neutral Position Switch. Test and adjust or replace switch, if required. Refer to SHIFTER, TRANSMISSION - 8HP50/850RE and/or SHIFTER, TRANSMISSION - 8HP75 | |
| 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. Replace battery if required. |
| 2. Starter motor or solenoid inoperative | 2. Test the starter motor and solenoid. 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 DIAGNOSIS AND TESTING, 3.0L - ENGINE . Test and repair engine as required. | |
| STARTER ENGAGES, THEN DISENGAGES BEFORE ENGINE STARTS | 1. Starter motor or solenoid inoperative | 1. Test the starter motor and solenoid. Replace starter motor, if required. |
| 2. Starter ring gear damaged | 2. Remove starter motor and inspect starter ring gear. 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. Replace starter motor, if required. |
| 2. Starter relay inoperative | 2. Refer to the Appropriate Wiring Information. Test and replace the starter relay, if required. |