Remove the steering column covers.
Disconnect the dashboard wire harness 8P connector (A) from the wiper/washer switch (B).
Turn the steering wheel to access the wiper/washer switch screws (C).
Remove the two screws, then slide out the wiper/washer switch.
Inspect the connector terminals to be sure they are all making good contact.
If the terminals are bent, loose, or corroded, repair them as necessary, and recheck the system.
If the terminals look OK, go to step 6.
Check for continuity between the terminals in each switch position according to the table.
Wiper
Rear window wiper
If the continuity is not as specified, replace the switch.
Install the switch in the reverse order of removal.
Removal
Drain the engine coolant.
Remove the air cleaner.
Remove the heater hose clamp bracket mounting bolt (A) and the harness
holder mounting bolt (B).
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System Controls
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During Route Guidance
During route guidance, route information is displayed on the map/guidance
screen.
Press the MAP/GUIDE button to display the guidance screen. ...