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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 611 (Power Seat System) >> Diagnostic Information and Procedures >> DTC B1826, B1851, B1861, B2356, B2366, or B2376 >> Test Description

Test Description

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora and 2001 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

The number(s) below refer to the step number(s) on the diagnostic table.

  1. 2.  This step checks the direction in which the volts change as the switch is activated. The voltage should increase for the forward or up position and decrease for the rearward or down position.
  2. 4.  This step checks the polarity of the seat or lumbar position sensor wiring.
  3. 5.  This step checks the polarity of the seat or lumbar motor wiring.
  4. 6.  This step checks the polarity of the seat or lumbar switch wiring.
Fig 1: DTC B1826, B1851, B1861, B2356, B2366, or B2376
G01803823Courtesy of GENERAL MOTORS CORP.
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