TSX L4-2.4L (2005)
Information Bus: Component Tests and General Diagnostics
Combination Switch Control Unit Input Test
Combination Switch Control Unit Input Test
1. Remove the steering column covers.
2. Disconnect the 8P connector from the wiper/washer switch.
3. Inspect the connector and socket terminals to be sure they are all making good contact.
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If the terminals are bent, loose or corroded, repair them as necessary, and recheck the system.
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If the terminals look OK, go to step 4.
4. Reconnect the connector to the wiper/washer switch, and make these input tests at the connector.
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If any test indicates a problem, find and correct the cause, then recheck the system.
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If all the input tests prove OK, go to step 5.
5. Disconnect the 8P connector from the wiper/washer switch, and make these input tests at the connector.
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If any test indicates a problem, find and correct the cause, then recheck the system.
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If all the input tests prove OK, the combination switch control unit must be faulty, replace the wiper/washer switch.
