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

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

Normal Operation
When any keypad button is pressed the smart junction box (SJB) sends power to the keyless entry keypad lamps on circuit CPK28 (WH) to assist the driver in entering an access code at night. The keyless entry keypad is grounded on circuit GD126 (BK/WH).

- DTC B1623 (Lamp Keypad Output Circuit Failure) - is a continuous DTC that sets if the SJB detects a short to ground on the keyless entry keypad illumination circuit CPK28 (WH).

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

K1-K4:

K4-K8:

K8-K9: