Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Symptom Related Diagnostic Procedures



Condition(s):
The charging system warning indicator is on, intermittent or flickers with the engine running
Possible Source(s):

- Accessory drive belt.
- Fuse 20 (5A).
- Circuit.
- Generator.
- Battery (warning light on with low voltage).
Action(s) to take:
- CHECK drive belt tension.
- Go to Pinpoint Test A Pinpoint Test A - Charging System Warning Indicator ON

Generator not charging, battery keeps going flat
Possible Source(s):

- Accessory drive belt.
- Fuse 20 (5A).
- Circuit.
- Generator.
- Battery.
Action(s) to take:
- CHECK drive belt tension.
- Go to Pinpoint Test B Pinpoint Test B - Gen. Not Charging/Battery Keeps Going Flat

Generator overcharging
Possible Source(s):

- Generator
- Battery
- Fuse 20 (5A)
Action(s) to take:
- Go to Pinpoint Test E Pinpoint Test E - Generator Overcharging

Generator noisy
Possible Source(s):

- Generator
- Drive belt
- Accessory drive belt tensioner
Action(s) to take:
- Go to Pinpoint Test C Pinpoint Test C - Generator Noisy

Radio interference
Possible Source(s):

- Circuit
- Generator
Action(s) to take:
- Go to Pinpoint Test D Pinpoint Test D - Radio Interference