PRE-RELEASE
Charging System Test
| Charging System Test |
| Diagnostic Instructions |
| • |
Perform the
Diagnostic System Check - Vehicle
prior to using this diagnostic procedure.
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| • |
Review
Strategy Based Diagnosis
for an overview of the diagnostic approach.
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| • |
Diagnostic Procedure Instructions
provides an overview of each diagnostic category.
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| Reference Information |
Description and Operation
Charging System Description and Operation
Electrical Information Reference
Testing for Intermittent Conditions and Poor Connections
| Circuit/System Testing |
| 1. |
Ignition ON, verify that no G13 generator or B18 battery current sensor DTCs are set that would cause a charging system concern.
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| 2. |
If DTCs are set, refer to
Diagnostic Trouble Code (DTC) List - Vehicle
.
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| 3. |
Ignition OFF, measure the voltage across the battery terminals. The voltage should read 12.0 V or greater at room temperature.
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| 4. |
If not within the specified range, refer to
Battery Inspection/Test
.
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| 5. |
Engine ON, increase engine speed to 2,500 RPM. Verify the battery voltage is between 12.6-15.0 V. |
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| 6. |
If not within specified range, replace the G13 generator.
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| 7. |
Engine ON, increase engine speed to 2,500 RPM. Turn ON all vehicle accessories. Verify the battery voltage is between 12.6-15.0 V.
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| 8. |
If not within specified range, replace the G13 generator.
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| Repair Instructions |
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Generator Replacement (LDK/A20NHT) Generator Replacement (Diesel) Generator Replacement (LAU/A28NER) .
