Test Description

WARNING: This page is about a different car, the 1993 Buick Roadmaster. However, it is still accessible from the selected car via links, so may be relevant.

Isolates a power door lock system fault or a keyless entry system fault.
Checks for battery voltage at keyless entry receiver.
Checks for ground at keyless entry receiver.

Fig 1: Test 1; Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 2: Test 1; Flow Chart

Courtesy of GENERAL MOTORS CORP.