1. Pre-Diagnostic Check Out
NOTE:
Low engine coolant level can be the cause of this DTC. If the fluid level is low locate and repair any leaks before diagnosing this DTC.
NOTE:
Always perform diagnostics with a fully charged battery.
NOTE:
Check connectors - Clean/repair as necessary. Poor pin to terminal connections can set DTCs.
NOTE:
Check for applicable TSBs.
Turn the ignition on.
With the DRB III(R), read DTCs.
Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Repair as necessary.
Perform this procedure prior to symptom diagnosis.
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