Defect Code 20
Defect Code 20:
*D* Defect code memory: 20 Road speed signal:
Explanation: This defect code is stored when the speed signal received
by the control unit is faulty.
Possible causes: Wire from rear axle contact to EKM damaged, wire from EKM to EDC control unit damaged.
Troubleshooting: Check wire and repair if necessary. From connector X 945 Pin 13 to EKM. If defect is not rectified, check rear axle contact and renew if
necessary.
If defect is still not rectified, check speed-A signal: Simulation in diagnostic program EKM.