EBC 445 ESP

C2101-BATTERY VOLTAGE HIGH





For a complete wiring diagram Refer to Diagrams/Electrical.


- When Monitored:
Ignition on and no system undervoltage DTC active.

- Set Condition:
If the sensed ignition voltage is greater than 16.5 volts for 100 msec.







Diagnostic Test


1. DTC IS ACTIVE
NOTE: Diagnose and repair any powertrain Charging system DTCs before continuing with this procedure.


NOTE: Ensure the battery is fully charged.

Turn the ignition on.
With the Scan tool, select View DTCs in the Anti-lock Brake Module. Record all DTC information.
Turn the ignition off.
Start the engine.
With the Scan tool read DTCs.
Is the status Active for this DTC?

Yes


- If there are no powertrain charging system DTCs present, replace the Anti-lock Brake Module.
- Perform ABS VERIFICATION TEST. ABS Verification Test


No


- Go To 2



2. INTERMITTENT DTC
Turn the ignition off.
Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
Check connectors - Clean/repair as necessary.
Inspect the vehicle for aftermarket accessories that may exceed the Charging System output.
Refer to any Technical Service Bulletins that may apply.
Were any problems found?

Yes


- Repair as necessary.
- Perform ABS VERIFICATION TEST. ABS Verification Test


No


- Test Complete.