Fault Code 4
Fault Code 4
Solenoid 1 and 2
Diagnostic conditions
- Ignition on
Possible cause of fault
- Short circuit in wires between solenoid 1 and solenoid 2
- control unit roll-over protection faulty
Affected pins
Pin 4, pin 5, pin 17 and pin 21
Diagnosis/troubleshooting
DANGER: Danger of personal injury by remaining in the functional area of the roll-over protection strap.
Danger of personal injury by placing objects in the functional area of the roll-over protection strap.
The roll-over protection straps may be released accidentally or intentionally during the diagnosis / troubleshooting even if the battery has been clamped beforehand.
- Before starting the diagnosis / troubleshooting, open the convertible top completely, dismantle the cover and remove the hardtop from the vehicle if necessary.
- Ensure that body parts are kept away from the functional area of the roll-over protection strap.
- Ensure that objects are kept away from the functional area of the roll-over protection strap.
- During all work and analysis / troubleshooting concerning the roll-over protection system, the roll-over protection must be released beforehand and only run in again when all work is complete.