Checking components and wiring

HINT: The outside temperature sensor for the engine control module (ECM) is in the left-hand door mirror.

Fig 1: Identifying Ignition Switch ON Position

Courtesy of VOLVO CARS OF NORTH AMERICA.

Ignition on
Read off the outside temperature in Volts. Check that it matches the value in the table. See Outer temperature sensor
Ignition off.
Check the engine control module (ECM) and outside temperature sensor connectors. Check for contact resistance and oxidation.

Remedy as necessary.

Other information:
- To connect the breakout box, see Connecting the breakout box
- For information about signals, see Signal specification
- To access or replace the outside temperature sensor, see Outside temperature sensor door mirror, replacing
- To fault-trace the wiring and terminals, see Contents .
Fig 2: Identifying 10--Pin Power Door Mirror Connector Terminal
Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 3: Identifying VCT2000 Diagnostic Tool
Courtesy of VOLVO CARS OF NORTH AMERICA.