Checking Component 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 cable between control module #10 and combustion fan signal terminal (black cable from fan) for an open-circuit according to Open-Circuit, Permanent Faults and a short-circuit to ground according to Short-Circuit To Ground, Permanent Faults .
Check cable between control module #11 and combustion fan voltage terminal (red cable from fan) for an open-circuit according to Open-Circuit, Permanent Faults .
If no fault is found in the cables the combustion fan should be replaced according to Replacing Fuel Injection Nozzle, Fan Motor And Nozzle Pipe .
NOTE:
Diagnostic trouble code (DTC) HEA-821 water pump signal and/or diagnostic trouble code (DTC) HEA-825 fuel pump (FP), signal can be stored in case of faults in the power cable.
Remedy as necessary.
Other information:
- To access the control module/connect breakout box see Connecting the Breakout Box .
- To access the combustion fan, position heater in service mode according to Moving the Heater To Its Service Position and remove fan shroud.
- For other values, see Signal Specification Additional Heater 912-D/B .
- Continue
Refer to Verification