Checking for short-circuit
WARNING: This page is about a different car, the 2002 Volvo C70, 2001 Volvo C70, 2000 Volvo C70, 1999 Volvo C70, and 1998 Volvo C70. However, it is still accessible from the selected car via links, so may be relevant.
Check wiring for permanent short-circuit to ground according to Short-circuit to ground, permanent faults and an intermittent short-circuit to ground according to Short-circuit to ground, intermittent faults .
CAUTION:
The engine control module (ECM) must not be disconnected until at least 4 minutes after switching off the ignition. Neither may it be disconnected while the engine cooling fan (FC) is still running. (If nothing else is indicated when replacing the relevant engine control module (ECM)).
- Cars with Fenix 5.2, the cable between immobilizer control module #2 and engine control module (ECM) #B5.
- Cars with ME7, DENSO and MSA 15.8, the cable between the immobilizer control module #4 and engine control module (ECM) #B22.
- Cars with MSA 15.7, the cable between immobilizer control module #4 and engine control module (ECM) #B36.
Other information
- For information about the signals and other values, see Immobilizer signal specification .
Select Continue when the fault has been remedied.
- Continue
Refer to Verification