Checking the control module connectors
- Ignition off.
- Check control module connector terminal #7 for contact resistance and oxidation and for loose connections. Remedy Contact resistance and oxidation . Remedy loose connections according to Loose connections (terminals) .
- Connect the control module.
- Connect the stop (brake) lamp switch
- Connect the Volvo Scan Tool (ST) to the data link connector (DLC).
- Ignition on.
- Activate the Scan Tool (ST) in MODE 2.
- Set the switch to the OFF position.
- Depress the brake pedal.
- Check whether response code 1-3-2 is obtained.
Is response code 1-3-2 obtained?
- YES
Refer to Fault-tracing information
- NO
Refer to Replacing the component