REC / B1020 71
Read the instructions below then
start the fault diagnostic procedure.
Symptom: The windscreen wipers do not work in automatic mode.
Rain Sensor Circuit, Communication Error
Fault symptom
The windscreen wipers do not work in automatic mode.
On-board diagnosis
Type of diagnosis:
Enable criteria:
| Wiper stalk in interval position. |
Fault criteria:
| No or faulty communication with the rain sensor. |
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
The diagnostic trouble code may be generated if the sensor was covered with snow or ice.
