BD - Keypad Backlighting Inoperative

Pinpoint Test BD: Keypad Backlighting Inoperative

BD1 - Test Keypad Backlight

- Make sure that ignition switch is OFF.
- Press any keypad switch.

Does keypad backlighting turn on with illuminated entry?

YES GO to BD4.
NO GO to BD2.

BD2 - Test Keypad Illuminated Entry Not On

- Repeat step BD1.

Does illuminated entry not turn on courtesy lamps or keypad?

YES Go to Pinpoint Test BC. BC - Illuminated Entry System Inoperative
NO GO to BD3.

BD3 - Test Keypad Does Not Illuminate

- Repeat step BD1.

Does keypad not illuminate and courtesy lamps do illuminate?

YES GO to BD6.
NO GO to BD4.

BD4 - Test Keypad Light

- Repeat step BD1.

Does keypad light turn off after approximately 5 seconds?

YES SYSTEM is operating normally.
NO GO to BD5.

BD5 - Test Driver Door Module

- Disconnect driver door module.

Does keypad light turn off?

YES REPLACE driver door module. RETEST system.
NO SERVICE circuit 66 (LB) for short to B+. RETEST system.

BD6 - Test Driver Door Module B+ Supply

- Check for voltage at driver door module connector pin C2-6 circuit 66 (LB). (Leave module connected and probe back of connector.)
- Raise door handle.

Does voltage read B+ for approximately 5 seconds?

YES GO to BD7.
NO REPLACE driver door module. RESTORE vehicle. RETEST system.

BD7 - Test Circuit 66 (LB)

- Check for voltage at keyless entry keypad connector pin 6 circuit 66 (LB) of keyless entry keypad.
- Raise door handle.

Does voltage ready B+ for approximately 5 seconds?

YES GO to BD8.
NO SERVICE circuit 66 (LB) for open circuit. RETEST system.

BD8 - Test Ground

- Test circuit 57 (BK) into keyless entry keypad connector pin 3 for continuity to ground.

Is there continuity?

YES REPLACE keyless entry keypad. RETEST system.
NO SERVICE circuit 57 (BK) for open circuit. RETEST system.