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Circuit/System Verification

WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, wiper switch in the OFF position, verify the scan tool Windshield Washer Switch parameter is Inactive.
  2. Wiper switch in the OFF position, verify the scan tool Windshield Wiper Switch parameter is Off.
  3. Wiper switch in the OFF position, verify the scan tool Wiper Motor Relay Status parameter is OFF.
  4. Wiper switch in the LO position, verify the scan tool Windshield Wiper Switch parameter is Low/Mist/High.
  5. Wiper switch in the HIGH position, verify the scan tool Wiper High Speed Switch parameter is Low/Mist/High.
  6. Wiper switch in the INT position, observe the scan tool Wiper Delay Setting parameter while cycling the delay adjustment switch from long delay to short delay. The parameter should cycle between D1 and D5 as each delay position is selected.
    • If not the specified value, test or replace the Multifunction Switch.
  7. Wiper switch in the LO position, verify the windshield wipers are cycling at the low speed.
  8. Wiper switch in the HIGH position, verify the windshield wipers are cycling at the high speed.
  9. Wiper switch in the INT position, cycling the delay adjustment switch from long delay to short delay. Verify the wiper delay time decreases from long delay to short delay as each delay position is selected.
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