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Home >> Cadillac >> 2003 >> Escalade EXT >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Keyless Entry System >> Diagnostic Information and Procedures >> Keyless Entry System Inoperative >> Test Description

Test Description

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

  1. 15. This step verifies that the keyless entry serial data circuit is at B+ supplied by the BCM.
  2. 16. This step tests for a short to voltage in the keyless entry serial data circuit.
Fig 1: Keyless Entry System Inoperative (1 Of 3)
G01458295Courtesy of GENERAL MOTORS CORP.
Fig 2: Keyless Entry System Inoperative (2 Of 3)
G01458296Courtesy of GENERAL MOTORS CORP.
Fig 3: Keyless Entry System Inoperative (3 Of 3)
G01458297Courtesy of GENERAL MOTORS CORP.