Rear Keyboard Fault (Active)

Tests 1 - 3:

Tests 4 - 7:

Tests 8 - 12:

Tests 13 - 14:

SYMPTOM
REAR KEYBOARD FAULT (ACTIVE)

POSSIBLE CAUSES
- BCM
- Ignition switch (run) circuit open
- KDB clock circuit shorted to voltage
- KDB data circuit shorted to ground
- KDB data circuit shorted to voltage
- KDB clock circuit shorted to ground
- KDB data circuit open
- ATC - KDB data circuit fault
- KDB clock circuit open
- ATC - KDB clock circuit fault
- Rear ATC switch ground circuit open
- Rear automatic temperature control switch