Checking The Wiring

Check the 30-supply to central electronic module (CEM) terminal #E27 (#27) and #D10 (#10). The voltage must not exceed 15 volts at 2, 000 RPM.

Also check that the battery is not over-charging.

Remedy as necessary.

Other information 

• see CONNECTING THE BREAKOUT BOX, CENTRAL ELECTRONIC MODULE (CEM)
• see SIGNAL DESCRIPTION CENTRAL ELECTRONIC MODULE (CEM)
• see LOCATION OF COMPONENTS, CENTRAL ELECTRONIC MODULE (CEM)
• see CONTROL MODULE RELAY BOX PASSENGER COMPARTMENT
• see CHECKING WIRING AND TERMINALS

Fig 3: Identifying VCT2000 Diagnostic Tool Symbol In VIDA (Volvo Scan Tool)

Courtesy of VOLVO CARS CORPORATION

Refer to VERIFICATION