PRE-RELEASE
B2371
Read the instructions below then start the fault diagnostic procedure.
Symptom: Steering wheel switch faulty.
| B2371 |
Steering wheel controls. Open circuit/Faulty.
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 (9 series-coupled resistors) receive a +5 V power supply from SID. When a button is pressed, the corresponding resistor is grounded, which results in the actual current.
