Checking The Control Module

Fig 1: Identifying Ignition ON

GLL101051

Courtesy of VOLVO CARS CORPORATION

Ignition off
Remove the relay
Ignition on.
Check the relay coil driver circuit for a short-circuit to supply voltage by taking a voltmeter reading at terminal #2 in the relay base.

HINT: The voltage between terminal #2 and ground should be approximately 0 V.

Remedy as necessary.

Other information
- For -2004, see: CENTRAL ELECTRONIC MODULE (CEM), REPLACING
- For 2005-, see: CENTRAL ELECTRONIC MODULE (CEM), REPLACING .
- see CHECKING WIRING AND TERMINALS .
Fig 2: Identifying Voltage Display
Courtesy of VOLVO CARS CORPORATION

Fig 3: Identifying Terminals
Courtesy of VOLVO CARS CORPORATION

Continue
Refer to VERIFICATION