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Home >> Suzuki >> 2006 >> Verona Base >> Repair and Diagnosis >> Body & Frame >> Glass/Windows/Mirrors >> Diagnostic Information & Procedures >> DTC 21: Rear Defroster Switch Error >> Test Description

Test Description

The numbers below refer to the step numbers on the diagnostic table.

  1. Tests the inactive state of the rear defogger switch.
  2. Tests the active state of the rear defogger switch.
  3. After replacement of the ISU, the ISU must be reprogrammed.
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