Front Keyboard Fault (Active)

Tests 1 - 4:

Tests 5 - 10:

Tests 11 - 15:

Test 16:

SYMPTOM
FRONT KEYBOARD FAULT (ACTIVE)

TEST NOTE
This symptom is diagnosed using the test FRONT IR SENSOR NOT CALIBRATED (ACTIVE).

WHEN MONITORED
With the ignition ON and the IOD fuse installed.

SET CONDITION
This DTC is set if the ATC does not receive the

POSSIBLE CAUSES
- ATC - protected ignition circuit fault
- KDB 2 clock circuit shorted to voltage
- KDB 2 data circuit shorted to ground
- KDB 2 data circuit shorted to voltage
- Protected ignition circuit open
- Sensor return circuit open
- KDB 2 clock circuit shorted to ground
- KDB 2 data circuit open
- ATC - KDB 2 data circuit fault
- ATC - sensor return circuit fault
- KDB 2 clock circuit open
- ATC - KDB 2 clock circuit fault
- ATC remote sensor