Focus ZX5 L4-2.0L DOHC VIN 3 (2002)
Wiper Relay: Testing and Inspection
Relay Testing Stages
1. Check break contact.
Measure the resistance between pin 3 and 4.
Is the resistance less than 1 ohm?
If yes, GO to step 2.
If no, INSTALL a new relay.
2. Check make contact.
Measure the resistance between pin 3 and pin 5.
Is the resistance greater than 10 kohm?
If yes, GO to step 3.
If no, INSTALL a new relay.
3. Check relay contact in activated condition.
Connect the positive terminal of the power supply with pin 1.
Connect the negative terminal of the power supply with pin 2.
Measure the resistance between pin 3 and pin 5.
