Operation CHARM: Car repair manuals for everyone.

Fuel Level and Range Display






Fault symptom
Fuel warning lamp does not light or is lit continuously.
Fuel gauge normal.

Action
1 Connect the Intelligent Saab Tester (ISAT) and activate "EMPTY TANK LAMP".
Switch the lamp on and off.
If the lamp does not work
- check the lamp (pin 25)
- check the cable assembly (pin 3)
If the lamp is lit continuously
- check the lead between the lamp (pin 3) and the Electronic Display Unit (EDU) control module (pin 25) for short circuit to ground
- If the fault remains, proceed to "Action Before Changing A Control Module".