Operation CHARM: Car repair manuals for everyone.

Test Point 5

Test point 5

Supply voltage
(terminal 15)

Voltage too high
Voltage too low
Fault code 24

Diagnosis conditions

No control module fault stored.

Voltage too high

Check the alternator.

Voltage too low

1. Check the alternator.

2. Check or charge the battery.

3. Check contact resistance of wire connections.