AHL / B3420 05
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Message appears in display.
Rear Axle Sensor Circuit, Open/Short to B+
Fault symptom
Message appears in display.
On-board diagnosis
Type of diagnosis:
Enable criteria:
Fault criteria:
| Control module input short-circuit to B+/open-circuit for more than 0.16 s. |
OK report:
| Fault criteria NOT fulfilled. |
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:
| Before fault diagnosis begins, read the document "Safety and handling directions, xenon lights" under Technical description. |
| Electrical fault in connecting leads or component. |
Functions in the diagnostic tool related to the fault:
| Height Sensor Rear, Calibrated Value |
| (See also description of readings/activations in diagnostic tool) |
