Impreza WRX STI F4-2.5L DOHC Turbo (2007)
Wiper Relay: Testing and Inspection
WIPER CONTROL RELAY
INSPECTION
1. Disconnect the connector from wiper control relay.
2. Connect the positive (+) lead from the battery to terminal 8 and the negative (-) lead to terminal 6. Connect the positive (+) lead from the voltmeter
to terminal 3 and the negative ( ) lead to ground.
3. Measure the voltage when the wiper relay is operated.
If operation is not as specified, replace the switch.
