Test F: The Keyless Entry Keypad Illumination Is Inoperative/Does Not Operate Correctly

PINPOINT TEST F: THE KEYLESS ENTRY KEYPAD ILLUMINATION IS INOPERATIVE/DOES NOT OPERATE CORRECTLY

Normal Operation
When any keypad button is pressed, the vehicle security module (VSM) sends power to the keyless entry keypad lamps on circuit 66 (LB) to assist the driver in entering an access code at night. The keyless entry keypad is grounded on circuit 124 (BN).

- DTC B1625 (Lamp Keypad Output Short Circuit To Battery) - is a continuous and on-demand DTC that sets if the VSM detects a short to voltage on the keyless entry keypad illumination output circuit 66 (LB).
- DTC B1626 (Lamp Keypad Output Short Circuit To Ground) - is a continuous and on-demand DTC that sets if the VSM detects a short to ground on the keyless entry keypad illumination output circuit 66 (LB).

This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- Keyless entry keypad
- VSM

F1-F6:

F6-F8:

F9-F10: