B2810 04

B2810 04

Steering Wheel Control Circuit, Open







Fault symptom
- Steering wheel buttons not working.

On-board diagnosis

Type of diagnosis:
- Continuous

Enable criteria:
- Ignition ON.

Fault criteria:
- Break in the lead of steering wheel keypad.

System reaction to a fault:
- None

Checking the wiring harness
- Move the wiring harness at several spots and in several directions to reveal intermittent breaks and short-circuits. Check switches, connectors and crimp connections for oxidation, retracted pins and pin clamping force.

Diagnostic help

Diagnosis regards:
- Electrical fault in connecting leads or component.

Functions in the diagnostic tool related to the fault:

Test value:
- Steering Wheel Control, Audio, Voltage
(See also description of readings/activations in diagnostic tool)