Check, connectors and cables
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 the control module, display and light switch connectors for contact resistance and oxidation according to Contact resistance and oxidation .
Check the cable between the control module #B4 and display terminal 14 and cable between display terminal 14 and light switch terminal 1 for an open-circuit according to Open-circuit, permanent faults , a short-circuit to ground according to Short-circuit to ground, permanent faults and a short-circuit to supply voltage according to Short-circuit to supply voltage. Permanent faults .
Remedy as necessary.
Other information:
- To access/replace the control module, see Replacing the control module, old system .
- To access/replace the display, see Replacing the display .
- For further information about the circuit from the light switch, see the relevant Service Information, Wiring Diagram.
- For connecting breakout box, see Connecting the breakout box .
- Continue
Refer to Verification