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Test Description

The number below refers to the step number on the diagnostic table.

  1. 16. B+ voltage should be present on the serial data terminal when tested with a DMM, but should not illuminate the test lamp. An illuminated test lamp indicates a short to voltage in the serial data circuit.
Fig 1: Keyless Entry System Inoperative (Steps 1-10)
G01587574Courtesy of GENERAL MOTORS CORP.
Fig 2: Keyless Entry System Inoperative (Steps 11-21)
G01587575Courtesy of GENERAL MOTORS CORP.
Fig 3: Keyless Entry System Inoperative (Steps 22-25)
G01587576Courtesy of GENERAL MOTORS CORP.
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