Impreza WRX STI F4-2.5L DOHC Turbo (2007)
Windshield Washer Switch: Testing and Inspection
COMBINATION SWITCH (WIPER)
INSPECTION
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Inspect the continuity between each connector terminal
If continuity is not as specified, replace the switch.
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Intermittent operation inspection (inspection of wiper switch unit)
1. Position the voltage meter between the connector terminals No. 7 (+) and No. 2 (-).
2. Connect the battery positive lead to connector terminal No. 17 and the negative lead to connector terminals No. 2 and No. 16.
3. Turn the wiper switch to INT.
4. Disconnect the battery negative lead from connector terminal No. 16.
5. Connect the battery positive lead to connector terminal No. 16 for 5 seconds.
6. Connect the battery negative lead to connector terminal No. 16, and check the voltage between the connector terminals No. 7 (+) and No. 2 (-).
