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Test H

PINPOINT TEST H: THE KEYLESS ENTRY KEYPAD ILLUMINATION IS INOPERATIVE


Test H1-H4:






Test H5-H6:






Normal Operation
When keypad illumination is activated, the vehicle security module supplies power to circuit 66 (LB) to illuminate the keypad. The keypad is grounded through circuit 57 (BK).

Possible Causes
- vehicle security module DTC B1625
- vehicle security module DTCB1626
- circuit 57 (BK) open
- circuit 66 (LB) open or shorted to ground
- keyless entry keypad
- vehicle security module