B1736
Read the instructions below then start the fault diagnostic procedure.
Symptom: The illumination controlled by the rheostat is at full brightness constantly. Rheostat malfunction.
B1736 |
Fault symptoms
The illumination controlled by the rheostat is at full brightness constantly. Rheostat malfunction.Type of diagnosis
ContinuousPreconditions
Ignition ONFault criteria
When the resistance of the rheostat circuit is greater than 20 kohm.Diagnostic help
The rheostat and rheostat value can be read using the diagnostic tool. The working range of the rheostat is 0-3.5 V.The rheostat value sent on the bus should be 25-100% when the headlights are ON.