Checking throttle unit power and ground terminal
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.
Checking power supply
- Check fuse 11 B/2. If the fuse is blown check circuit after the fuse for a short-circuit to ground according to Short-circuit to ground, permanent faults
- Check power supply to throttle unit #6. Voltage should be approximately battery voltage.
Checking ground terminal
- Check ground lead between throttle unit #5 and engine ground terminal ETM 31/91 for an open-circuit according to Open-circuit, permanent faults
- Check throttle unit ground terminal for contact resistance and oxidation according to Contact resistance and oxidation
Remedy as necessary
Other information
- Power supply to the electronic throttle module #6 is from fuse 11 B/2 via the system relay.
- Ground terminal electronic throttle module (ETM) 31/91 for the throttle unit is located on the front of the cylinder block above the starter motor
- For information about signals, see Signal specification .
- For information about circuit see the relevant wiring diagram
Was a fault detected?
- YES
OKAY: Troubleshooting has been completed.
- NO
Refer to Information