Checking the Wiring

Fig 1: Identifying Ignition OFF

GLL101045

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Disconnecting Connector

GLL101003

Courtesy of VOLVO CARS OF NORTH AMERICA.

Ignition off
Disconnect central electronic module (CEM) connector C.
Check the signal cable. Check for an open-circuit. Check for a short-circuit to ground.

Take readings between:
- Central electronic module (CEM) terminal #C12 (#12) and left headlamp alignment motor terminal #2
- Central electronic module (CEM) terminal #C11 (#11) and right headlamp alignment motor terminal #2.
If no fault was found, replace the actuator motor for headlamp beam height control.

Remedy as necessary.

Other information
- See Connecting the Breakout Box
- See Signal Specification
- See Location Of Components
- See Switches Lights, Replacing
- See Contents

Continue
Refer to Verification