C1243

C1243-G SENSOR NOT INITIALIZED

For a complete wiring diagram Consult Diagrams/Electrical.

- When Monitored:
Once after ignition on.

- Set Condition:
If the stored zero point calibration value of the longitudinal acceleration sensor is invalid.





Diagnostic Test

1. PERFORM ECU INITIALIZATION
Turn the ignition on.
With the scan tool, erase ABS DTCs.
Cycle the ignition switch.

WARNING: To avoid personal injury or death, check brake capability is available before road testing.

Perform ECU initialization with drive test refer to ABS VERIFICATION TEST. ABS Verification Test.

NOTE: The ECU Initialization process must include driving the vehicle into a 90° turn.

Park the vehicle.




- Go to 2

2. VERIFY IF DTC IS STILL ACTIVE
Cycle the ignition switch.

WARNING: To avoid personal injury or death, check brake capability is available before road testing.

Test drive the vehicle by turning the vehicle left or right in a curving manner at a velocity between 10 and 25 km/h (6 and 15 mph).
Park the vehicle.
With the scan tool, read ABS DTCs.
Does this DTC reset?

Yes

NOTE: Vehicles without a Dynamics Sensor replace Anti-Lock Brake Module.
Replace the Dynamics Sensor or Anti-Lock Brake Module.
- Perform ABS VERIFICATION TEST. ABS Verification Test.

No

- Refer to the ABS-INTERMITTENT CONDITION TEST. ABS Intermittent Condition Test