Test Description

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

1. 3. This step tests the seat adjuster switch for an internal fault.
2. 4. When the seat adjuster switch is disconnected the faulty switch signal circuit will be isolated.
   Fig 1: DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815 Or B1820 Diagnosis

   Courtesy of GENERAL MOTORS CORP.