Checking The Control Module For Short-Circuits

Activate the relay driver.

Measure the resistance between terminal #2 and ground when the relay driver is active.

The resistance must be low when the relay driver is active.

Remedy as necessary.

Other information 

• For -2004, see: CENTRAL ELECTRONIC MODULE (CEM), REPLACING
• For 2005-, see: CENTRAL ELECTRONIC MODULE (CEM), REPLACING .

Fig 2: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

Courtesy of VOLVO CARS CORPORATION

Refer to VERIFICATION