B0256
B0256 01
Vent Door Motor Right Circuit, Short to B+
Fault symptom
- Incorrect air distribution.
On-board diagnosis
Type of diagnosis:
- Continuous
Enable criteria:
- Ignition ON.
- Air distribution motor activated.
Fault criteria:
- Short-circuit to B+ or high current consumption in the circuit of the air distribution damper motor.
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:
- Vent Door Motor Right
Activation:
- Air Distribution Flap Panel Right
(See also description of readings/activations in diagnostic tool)