C1234–DRIVE TEST: SENSOR CLUSTER INSTALLATION

For a complete wiring diagram Refer to Section 8W.

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

Possible Causes

DYNAMICS SENSOR INSTALLATION

DYNAMICS SENSOR

ANTI-LOCK BRAKES MODULE

Diagnostic Test

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.

Turn the ignition on.
With the scan tool, read and record DTCs.
With the scan tool, read and record Freeze Frame information.
Perform ECU initialization with drive test. Refer to ABS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD PROCEDURE).
Start the engine.
With the scan tool, read and record DTCs.

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

Yes

Go To 2

No

Refer to the INTERMITTENT CONDITION diagnostic procedure.
Refer to the ABS-INTERMITTENT CONDITION TEST. (Refer to 5 - BRAKES - DIAGNOSIS AND TESTING)

2. CHECK THE DYNAMICS SENSOR INSTALLATION

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

Turn the ignition off.
Check the Dynamics Sensor for damaged, modified, and bent mounting brackets.
Check the Dynamics Sensor mounting bolts for a loose or over tightened condition.

Were any problems found?

Yes

Repair as necessary.

Perform ABS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD PROCEDURE).

No

Replace the Dynamics Sensor in accordance with the Service Information.
Perform ABS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD PROCEDURE).