C1234

C1234 - Drive Test: Sensor Cluster Installation

For a complete wiring diagram, refer to.

• When Monitored: During the drive test.

• Set Condition: If the anti lock brakes module detects implausible dynamics sensor data.






Test Step 1 - Test for DTC C1234 - Drive Test: Sensor Cluster Installation

• 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. Perform the ABS Verification Test. Refer to => Non-DTC Based Diagnostics. ABS Verification Test

• NOTE: The drive test requires a 90° turn.

• 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 Test Step 2 => [ Test Step 2 - Test the Dynamics Sensor Installation ]

No

• Perform the ABS Intermittent Condition Test. Refer to => Non-DTC Based Diagnostics. ABS Intermittent Condition Test

Test Step 2 - Test the Dynamics Sensor Installation

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

• Turn the ignition OFF.

• Test the Dynamics Sensor for damaged, modified, and bent mounting brackets.

• Test the Dynamics Sensor mounting bolts for a loose or over tightened condition.

Were any problems found?

Yes

• Repair as necessary.

• Perform the ABS Verification Test. Refer to => Non-DTC Based Diagnostics. ABS Verification Test

No

• Replace the dynamics sensor.

• Perform the ABS Verification Test. Refer to => Non-DTC Based Diagnostics. ABS Verification Test