Test Description

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

15. This step verifies that the keyless entry serial data circuit is at B+ supplied by the BCM.
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)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Keyless Entry System Inoperative (2 Of 3)

Courtesy of GENERAL MOTORS CORP.

Fig 3: Keyless Entry System Inoperative (3 Of 3)

Courtesy of GENERAL MOTORS CORP.