Checking the wiring

Fig 1: Identifying Ignition OFF

GLL101045

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Disconnecting Connector

GLL101071

Courtesy of VOLVO CARS OF NORTH AMERICA.

Ignition off
Disconnect central electronic module (CEM) connector C.
Check central electronic module (CEM) connector terminal C. Check for contact resistance. Check for oxidation. Check for damaged and loose connections.

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

Take readings between:
- Central electronic module (CEM) terminal #C28 (28) and transmission control module (TCM) terminal #A44.
Remedy as necessary.

Other information
- See Signal too high
- -2004: Signal specification
- 2005-: Signal specification
- See Location of components
- See Checking wiring and terminals
Fig 3: Identifying Connector C
Courtesy of VOLVO CARS OF NORTH AMERICA.

Continue
Refer to Verification