Checking the ground terminal for the pump motor
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 off.
Connect an ohmmeter between the ground terminal for the pump motor and ground.
HINT: The pump motor has a separate ground lead. This ground lead is connected to the rear edge of the pump motor and the chassis below it.
The ohmmeter should read approximately 0 Ω.
- OK
Refer to Testing the function of the ABS hydraulic modulator
- NOT OK
Refer to Checking for an open-circuit