Checking vehicle speed signal
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.
- Ignition on.
Raise the front wheels and check the vehicle speed signal at the engine control module (ECM) terminal #52.
Other information
- To connect the breakout box, see Connecting the breakout box. EMS 2000 .
The value should oscillate between approximately 0 volts and just on battery voltage when the left front wheel is spun.
- OK
Refer to Checking terminals
- NOT OK
Refer to Checking wiring and terminals