B1434

Wiper Hi/Low Speed Relay Coil Circuit Failure

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$11–56 (est.)

Symptoms

Windshield wipers only operate at one speed
Windshield wipers do not turn on
Intermittent wiper operation

Causes

Faulty wiper speed relay
Open or short circuit in wiring harness
Relay control circuit problems
Corrosion of relay contacts

How to Fix

Check the windshield wiper speed relay for malfunctions
Inspect the wiring harness for damage
Check the integrity of the relay control circuit
Replace relay if necessary

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