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B210E-BATTERY VOLTAGE HIGH For a complete wiring diagram Refer to Section 8W. • When Monitored: • Set Condition: Possible Causes (K20) GENERATOR FIELD CONTROL CIRCUIT SHORTED TO BATTERY VOLTAGE GENERATOR PCM Diagnostic Test 1. CHECK FOR ANY POWERTRAIN CONTROL MODULES DTCS NOTE: Make sure the Battery is in good condition. Using the Midtronics Battery Tester, test the Battery NOTE: Inspect the vehicle for after market accessories that may exceed the Generator System output. NOTE: Make sure the generator drive belt is in good operating condition. NOTE: Inspect the fuses in the IPM. If an open fuse is found, use the wire diagram/schematic as a guide, With the scan tool, read active PCM DTC’s. Does the scan tool display any active PCM DTC’s? Yes >> (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING) for the diagnostic test procedure. No >> Check the above conditions that can cause a high voltage condition. Repair as necessary. Perform BODY VERIFICATION TEST – VER 1. HB ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS 8E - 5 |