Symptom Troubleshooting Chart - Charging System: Notes
SYMPTOM TROUBLESHOOTING CHART - CHARGING SYSTEM
| Problem | Possible Cause | Action |
|---|---|---|
| Battery is discharged or voltage is low |
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| The charging system warning indicator is on with the engine running (the system voltage does not increase) |
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| The system overcharges (battery voltage is greater than 15.5 volts) |
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| The charging system warning indicator is on with the engine running and the battery increases voltage |
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| The charging system warning indicator is off with the ignition switch in the RUN position and the engine off |
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| The charging system warning indicator flickers or is intermittent |
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| The generator is noisy |
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| Radio interference |
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CHARGING SYSTEM TABLE
| Pinpoint Test | Description |
|---|---|
| PINPOINT TEST 1 | BATTERY IS DISCHARGED OR VOLTAGE IS LOW |
| PINPOINT TEST 2 | THE CHARGING SYSTEM WARNING INDICATOR IS ON WITH THE ENGINE RUNNING (THE SYSTEM VOLTAGE DOES NOT INCREASE) |
| PINPOINT TEST 3 | THE SYSTEM OVERCHARGES (BATTERY VOLTAGE IS GREATER THAN 15.5 VOLTS) |
| PINPOINT TEST 4 | THE CHARGING SYSTEM WARNING INDICATOR IS ON WITH THE ENGINE RUNNING AND THE BATTERY INCREASES VOLTAGE |
| PINPOINT TEST 5 | THE CHARGING SYSTEM WARNING INDICATOR IS OFF WITH THE IGNITION SWITCH IN THE RUN POSITION AND THE ENGINE OFF |
| PINPOINT TEST 6 | THE GENERATOR IS NOISY |
| PINPOINT TEST 7 | RADIO INTERFERENCE |
| PINPOINT TEST 8 | BATTERY CONDITION TEST |