Fault-tracing information: Notes

Fig 1: Identifying Ignition Switch ON Position

Courtesy of VOLVO CARS OF NORTH AMERICA.

The fault tracing that follows depends on whether the software in the control module is upgraded. The control module's software version can be read out using VIDA vehicle communication.

Ignition on.
Read out the control module's software.

Check, using the identification of the upgraded software Engine control module (ECM)/Electronic throttle module (ETM) that the correct software is in the Electronic throttle module (ETM) and the Engine control module (ECM). Identifying upgraded software ECM/ETM

Select one of the following options:

The software is not upgraded. Refer to Checking the throttle unit
The software is upgraded. Refer to Checking the throttle unit

Fig 2: Identifying VCT2000 Diagnostic Tool

Courtesy of VOLVO CARS OF NORTH AMERICA.