C1234-DRIVE TEST: SENSOR CLUSTER INSTALLATION

For a complete wiring diagram, refer to the Wiring Information.

When Monitored:
During the Drive Test.
Set Condition:
If the Anti-Lock Brake Module detects implausible Dynamics Sensor data.

Possible Causes
DYNAMICS SENSOR INSTALLATION
DYNAMICS SENSOR
ANTI-LOCK BRAKE MODULE

1. CHECK FOR A DTC C1234-DRIVE TEST: SENSOR CLUSTER INSTALLATION

NOTE: This DTC must be active for the results of this test to be valid.

1.	Turn the ignition on.

2.	With the scan tool, read and record DTCs.

3.	With the scan tool, read and record Environmental Data to help identify the conditions in which the DTC was set.

4.	Perform ECU initialization with drive test. Refer to ABS VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Antilock Brake (ABS) - Standard Procedure).

5.	Start the engine.

6.	With the scan tool, read and record DTCs.

Does the scan tool display: C1234-DRIVE TEST: SENSOR CLUSTER INSTALLATION?

Yes

2. CHECK THE DYNAMICS SENSOR INSTALLATION

NOTE: Dynamics Sensor installation and mounting bolt torque is crucial for proper operation.

1.	Turn the ignition off.

2.	Check the Dynamics Sensor for damaged, modified, and bent mounting brackets.

3.	Check the Dynamics Sensor mounting bolts for a loose or over tightened condition.

Were any problems found?

Yes

Replace the Dynamics Sensor in accordance with the Service Information.
Perform ABS VERIFICATION TEST (Refer to 28 - DTC-Based Diagnostics/MODULE, Antilock Brake (ABS) - Standard Procedure).