Checking Signal Cable

Check central electronic module (CEM) connector D and the connector for the immobilizer antenna unit. Check for contact resistance. Check for oxidation. Check for damaged or loose connections.

Check the signal cable. Check for an open-circuit. Check for a short-circuit to ground.

Take readings between:

• Central electronic module (CEM) connector terminal #D56 (#56) and immobilizer antenna unit terminal #3.

Remedy as necessary.

Other information 

• See Connecting the breakout box
• See Signal specification
• See Location of components
• See Central electronic module (CEM), replacing
• See Antenna unit immobilizer, replacing
• See Contents

Fig 2: Identifying Breakout Box

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 3: Identifying Ignition Switch Bulb

Courtesy of VOLVO CARS OF NORTH AMERICA.

Refer to Verification