Intermittent Fault
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 control module connector and glow plug electrical terminal for loose connections according to Loose Connections (Terminals) and contact resistance and oxidation according to Contact Resistance And Oxidation .
Check cable between control module #1 and glow plug electrical terminal for an intermittent open-circuit according to Open-Circuit, Intermittent Faults , an intermittent short-circuit to ground according to Short-Circuit To Ground, Intermittent Faults and an intermittent short-circuit to supply voltage according to Short-Circuit To Supply Voltage, Intermittent Faults .
Remedy as necessary.
Other information:
- To access the control module/connect breakout box, see Connecting the Breakout Box .
- To access the glow plug, see Replacing Fuel Injection Nozzle, Fan Motor And Nozzle Pipe .
- With ignition on and glow plug electrical terminal disconnected the voltage between glow plug electrical terminal (engine control module (ECM) side) and ground should be approximately 9 V.
- For other values, see Signal Specification Additional Heater 912-D/B .
- Continue
Refer to Information
OKAY: Troubleshooting has been completed.