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techtalk:ref:genmsr08 [2021/04/12 07:32] – [DTC Code List (2014-later)] ixl2relaxtechtalk:ref:genmsr08 [2022/05/19 03:31] (current) – [Diagnostic Trouble Codes - Overview & WOW! Test] ixl2relax
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 ** 2004-later WOW! Test ** - From the Electrical Diagnostic Manual: ** 2004-later WOW! Test ** - From the Electrical Diagnostic Manual:
  
-Diagnostic Tips+Diagnostic Tip - For a quick check of speedometer function, a "WOW" test can be performed.
  
-• For a quick check of speedometer function, a "WOW" test can be performed. Press and hold trip odometer reset switch, then turn Ignition Switch ON.+• Press and hold trip odometer reset switch, then turn Ignition Switch ON.
  
-Release trip odometer reset switch. Background lighting should illuminate, gauge needle should sweep its full range of motion, and indicator lamps (check engine, low fuel, battery and security) should illuminate.+• Release trip odometer reset switch. Background lighting should illuminate, gauge needle should sweep its full range of motion, and indicator lamps (check engine, low fuel, battery and security) should illuminate.
  
 • If instrument module fails "WOW" test, check for issues with battery & connections, system grounds, ignition switch & controls, trip odometer reset switch and accessory wiring to speedometer. • If instrument module fails "WOW" test, check for issues with battery & connections, system grounds, ignition switch & controls, trip odometer reset switch and accessory wiring to speedometer.

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