Checking the ground lead
WARNING: This page is about a different car, the 2004 Volvo S40, 2003 Volvo S40, 2002 Volvo S40, 2001 Volvo S40, and 2000 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.
Check the cable between knock sensor (KS) connector terminal 1 (control module side) and engine control module (ECM) terminal #51. Check for an open-circuit according to Open-circuit, permanent faults .
Remedy as necessary.
- Continue
Refer to Verification
Check the cables between knock sensor (KS) connector terminal 2 (control module side) and engine control module (ECM) terminal #76 and between knock sensor (KS) connector terminal 3 (control module side) and engine control module (ECM) terminal #19. Check for an open-circuit according to Open-circuit, permanent faults .
Remedy as necessary.
- Continue
Refer to Verification