Checking the control module connectors
- Ignition off.
- Check control module connector terminal #3 for loose connections and for contact resistance. Remedy loose connections according to Loose connections (terminals) . Remedy Contact resistance and oxidation .
- Connect the brake valve/clutch valve.
- Connect the control module.
- Connect the Volvo Scan Tool (ST) to the data link connector (DLC).
- Ignition on.
- Activate the Scan Tool (ST) in MODE 2.
- Move the switch from ON to OFF or from OFF to ON.
- Check whether response code 1-1-3 is returned.
Is response code 1-1-3 returned?
- YES
Refer to Fault-tracing information
- NO
Refer to Replacing the component