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C2204







C2204-DYNAMICS SENSOR INTERNAL





For a complete wiring diagram Consult Diagrams/Electrical.

- When Monitored:
With the ignition on.

- Set Condition:
When the Anti-Lock Brake Module fails the diagnostic test.





Diagnostic Test

1. CHECK FOR A DTC C2204-DYNAMICS SENSOR INTERNAL
NOTE: The Sensor Cluster is the same as the Dynamics sensor.

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

CAUTION: Ensure brake capability is available before road testing.

Turn the ignition on.
With the scan tool, read DTCs.
Record DTC and Freeze Frame information.
With the scan tool, erase DTCs.
Test drive the vehicle.
With the scan tool, read DTCs.
Does the scan tool display: C2204-DYNAMICS SENSOR INTERNAL?

Yes

- Go To 2

No

- Refer to the ABS-INTERMITTENT CONDITION TEST Component Tests and General Diagnostics.

2. CHECK THE WIRING HARNESS, TERMINALS, AND CONNECTORS
Check the Sensor Cluster installation and torque of the mounting bolts.
Visually inspect the related wiring harness. Look for any bruised, chafed, pierced, or partially broken wires.
Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.
Were any problems found?

Yes

- Repair as necessary.
- Perform ABS VERIFICATION TEST. ABS Verification Test

No

- Go To 3

3. CHECK THE VOLTAGE ON THE (G4) DYNAMICS SENSOR SUPPLY CIRCUIT




Turn the ignition off.
Disconnect the Sensor Cluster harness connector.
Turn the ignition on.
Measure the voltage of the (G4) Sensor Cluster Supply Circuit.
Is the voltage above 10 volts?

Yes

- Go To 7

No

- Go To 4

4. (G4) DYNAMICS SENSOR SUPPLY CIRCUIT SHORT TO GROUND




Turn the ignition off.
Disconnect the Anti-Lock Brake Module harness connector.
Measure the resistance between ground and the (G4) Sensor Cluster Supply circuit.
Is the resistance below 5.0 ohms?

Yes

- Repair the (G4) Sensor Cluster Supply circuit for a short to ground.
- Perform ABS VERIFICATION TEST. ABS Verification Test

No

- Go To 5

5. (G4) DYNAMICS SENSOR SUPPLY CIRCUIT SHORT TO VOLTAGE




Turn the ignition on.
Measure the voltage of the (G4) Sensor Cluster Supply circuit.
Is there any voltage present?

Yes

- Repair the (G4) Sensor Cluster Supply circuit for a short to voltage.
- Perform ABS VERIFICATION TEST. ABS Verification Test

No

- Go To 6

6. (G4) DYNAMICS SENSOR SUPPLY CIRCUIT OPEN




Turn the ignition off.
Measure the resistance of the (G4) Sensor Cluster Supply circuit.
Is the resistance below 5.0 ohms?

Yes

- Replace the Anti-Lock Brake Module.
- Perform ABS VERIFICATION TEST. ABS Verification Test

No

- Repair the (G4) Sensor Cluster Supply circuit for an open.
- Perform ABS VERIFICATION TEST. ABS Verification Test

7. CHECK THE RESISTANCE BETWEEN THE (G94) DYNAMICS SENSOR GROUND CIRCUIT AND GROUND




Disconnect the Dynamics Sensor harness connector.
Measure the resistance between the (G94) Dynamics Sensor Ground Circuit and Ground.
Is the resistance below 5.0 ohm?

Yes

- Go To 10

No

- Go To 8

8. (G94) DYNAMICS SENSOR GROUND CIRCUIT SHORT TO VOLTAGE




Turn the ignition off.
Disconnect the Anti-Lock Brake Module harness connector.
Turn the ignition on.
Measure the voltage of the (G94) Sensor Cluster Ground circuit.
Is there any voltage present?

Yes

- Repair the (G94) Sensor Cluster Ground circuit for a short to voltage.
- Perform ABS VERIFICATION TEST. ABS Verification Test

No

- Go To 9

9. (G94) DYNAMICS SENSOR GROUND CIRCUIT OPEN




Turn the ignition off.
Measure the resistance of the (G94) Sensor Cluster Return circuit.
Is the resistance below 5.0 ohms?

Yes

- Replace the Anti-Lock Brake Module.
- Perform ABS VERIFICATION TEST. ABS Verification Test

No

- Repair the (G94) Sensor Cluster Ground circuit for an open.
- Perform ABS VERIFICATION TEST. ABS Verification Test

10. CHECK THE DYNAMICS SENSOR OUTPUT
CAUTION: All previously removed connectors must be connected before test driving the vehicle.

CAUTION: Ensure brake capability is available before road testing.

Have an assistant test drive the vehicle while monitoring the Sensor Cluster operation.
Was the Lateral Sensor output between 0.02 G to 0.16 G and the Yaw Sensor between 1.30° to 5.70°

Yes

- Replace the Anti-Lock Brake Module.
- Perform ABS VERIFICATION TEST. ABS Verification Test

No

- Go To 11

11. (D465) DYNAMICS SENSOR HIGH DATA LINK CIRCUIT SHORT TO VOLTAGE




Turn the ignition off.
Disconnect the Sensor Cluster harness connector.
Disconnect the Anti-Lock Brake Module harness connector.
Turn the ignition on.
Measure the voltage of the (D465) Sensor Cluster High Data Link circuit.
Is there any voltage present?

Yes

- Repair the (D465) Sensor Cluster High Data Link circuit for a short to voltage.
- Perform ABS VERIFICATION TEST. ABS Verification Test

No

- Go To 12

12. (D465) DYNAMICS SENSOR HIGH DATA LINK CIRCUIT SHORT TO GROUND




Turn the ignition off.
Measure the resistance between ground and the (D465) Sensor Cluster High Data Link circuit.
Is the resistance below 5.0 ohms?

Yes

- Repair the (D465) Sensor Cluster High Data Link circuit for a short to ground.
- Perform ABS VERIFICATION TEST. ABS Verification Test

No

- Go To 13

13. CHECK THE (D465) DYNAMICS SENSOR HIGH DATA LINK CIRCUIT FOR AN OPEN




Measure the resistance of the (D465) Sensor Cluster High Data Link circuit.
Is the resistance below 5.0 ohms?

Yes

- Go To 14

No

- Repair the (D465) Sensor Cluster High Data Link circuit for an open.
- Perform ABS VERIFICATION TEST. ABS Verification Test

14. CHECK THE (D464) DYNAMICS SENSOR LOW DATA LINK CIRCUIT FOR A SHORT TO VOLTAGE




Turn the ignition on.
Measure the voltage of the (D464) Sensor Cluster Low Data Link circuit.
Is there any voltage present?

Yes

- Repair the (D464) Sensor Cluster Low Data Link circuit for a short to voltage.
- Perform ABS VERIFICATION TEST. ABS Verification Test

No

- Go To 15

15. CHECK THE (D464) DYNAMICS SENSOR LOW DATA LINK CIRCUIT FOR A SHORT TO GROUND




Turn the ignition off.
Measure the resistance between ground and the (D464) Sensor Cluster Low Data Link circuit.
Is the resistance below 5.0 ohms?

Yes

- Repair the (D464) Sensor Cluster Low Data Link circuit for a short to ground.
- Perform ABS VERIFICATION TEST. ABS Verification Test

No

- Go To 16

16. CHECK THE (D464) DYNAMICS SENSOR LOW DATA LINK CIRCUIT FOR AN OPEN




Measure the resistance of the (D464) Sensor Cluster Low Data Link circuit.
Is the resistance below 5.0 ohms?

Yes

- Replace the Sensor Cluster.
- Perform ABS VERIFICATION TEST. ABS Verification Test

No

- Repair the (D464) Sensor Cluster High Data Link circuit for an open.
- Perform ABS VERIFICATION TEST. ABS Verification Test

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