UEC / B3874 01
Read the instructions below then
start the fault diagnostic procedure.
Symptom: The windscreen wipers do not work at low speed.
Front Wiper Relay Low Speed Circuit, Short to B+
Fault symptom
The windscreen wipers do not work at low speed.
On-board diagnosis
Type of diagnosis:
Enable criteria:
Fault criteria:
| Voltage on the control module output exceeds 6 V when windscreen wiper(s) are on. |
System reaction to a fault:
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:
| Front Wiper Relay Low Speed |
