B2371
Read the instructions below then start the fault diagnostic procedure.
Symptom: Steering wheel switch faulty.
B2371 |
Fault symptoms
Steering wheel switch faulty.Condition
Open circuit: resistance in the circuit higher than 8 kohm.Diagnostic help
The steering wheel controls can be read using Tech 2.The buttons (7 resistors connected in series) are supplied with +5 V from the SID. When a button is pressed, the resistor concerned is grounded and this produces the relevant voltage.