DTC P0A3B: Generator/Alternator Over Temperature: Notes
DTC detecting condition:
Immediately at fault recognition
Trouble symptom:
Charge warning light illuminates.
NOTE:
After the faulty parts are repaired or replaced, perform the final check in Basic Diagnostic Procedure. Ref. to ENGINE (DIAGNOSTICS) (H4DO)>BASIC DIAGNOSTIC PROCEDURE>PROCEDURE
.
- CHECK GENERATOR
.
Check the generator vent window. Ref. to STARTING/CHARGING SYSTEMS (H4DO)>GENERATOR>INSPECTION .
Is there clogging with foreign objects?
Yes: Eliminate the foreign objects and leave the generator main body intact approx. 20 minutes to cool down.
No: Go to 2.
- CHECK CHARGE WARNING LIGHT
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- Turn the ignition switch to OFF and wait for at least 20 minutes.
- Start the engine and check the charge warning light.
Does the charge warning light remain on?
Yes: Replace the generator. Ref. to STARTING/CHARGING SYSTEMS (H4DO)>GENERATOR .
No: This is a temporarily overheating of the generator. It is now back to normal state. Check for clogging with foreign objects in the proximate area such as the generator vent window.