Checking immobilizer
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.
- If there is a fault in the immobilizer the Motronic 4.4 engine control module (ECM) may not be permitted to start. It is important to check that the immobilizer is free of faults before continuing this fault-tracing.
Check appearance of ignition key to determine whether the car has an immobilizer.
- Key 1: the car has an immobilizer.
- Key 2: the car does not have an immobilizer.
Does the car have an immobilizer?
- YES
Refer to Checking diagnostic trouble codes (DTCs) in the immobilizer
- NO
Refer to Checking fuse 1