Operation CHARM: Car repair manuals for everyone.

Speed Signal, Checking






Speed Signal, Checking

Speed signal comes from Instrument Cluster Control Module (J285).

- Remove storage compartment on driver side.

- Remove Servotronic Control Module (J236), item 2.





- If voltage supply, to Servotronic Solenoid Valve and speed display on tachometer are OK, check electrical line between Servotronic Control Module (J236) contact 4 and Instrument Cluster Control Module (J285).

- If electrical line between contact 4 and Instrument Cluster Control Module (J285) is OK, replace Servotronic Control Module (J236).