C2115

C2115-DYNAMICS SENSOR SUPPLY VOLTAGE HIGH








When Monitored:

With the ignition on

Set Condition:

When the Anti-Lock Brake Module indicates the operating voltage is out of specified range





1. CHECK FOR A DTC C2115-DYNAMICS SENSOR SUPPLY VOLTAGE HIGH





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 DTC's.
With the scan tool read and record Freeze Fame information.
With the scan tool erase DTC's.
Cycle the ignition from off to on.
With the scan tool read and record DTC's.

Does the scan tool display: C2115-DYNAMICS SENSOR SUPPLY VOLTAGE HIGH?

Yes

- Go To 2

No

- Refer to the INTERMITTENT CONDITION diagnostic procedure. Testing and Inspection.
- Perform ABS VERIFICATION TEST - VER 1. ABS Verification Test.

2. CHECK THE WIRING HARNESS, TERMINALS, AND CONNECTORS





Check all related wiring for bruised chafed pierced or partially broken wires.
Check all related connectors for broken bent pushed out or corroded terminals.

Were any problems found?

Yes

- Repair as necessary.
- Perform ABS VERIFICATION TEST VER 1. ABS Verification Test.

No

- Go To 3

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





Turn the ignition off.
Disconnect the Anti-Lock Brake Module harness connector.
Measure the voltage of the (G4) Dynamics Sensor Supply Circuit.

Is the voltage above 17 volts?

Yes

- Go To 4

No

- Go To 7

4. CHECK THE VOLTAGE ON THE (A111) FUSED B(+) CIRCUIT

WARNING: When the engine is operating, do not stand in direct line with the fan Do not put your hands near the pulleys, belts, or fan Do not wear loose clothing Failure to follow these instructions can result in personal injury or death

Turn the ignition off.
Disconnect the AntiLock Brake Module harness connector.
Start the engine.
Raise engine speed above 1800 RPM's Measure the voltage of the (A111) Fused B(+) circuit.

Is the voltage above 17 volts?

Yes

- Refer to appropriate Service Information for Charging Sys tern testing and repair.
- Perform ABS VERIFICATION TEST VER 1. ABS Verification Test.

No

- Go To 5

5. CHECK THE (G4) DYNAMICS SENSOR SUPPLY CIRCUIT FOR A SHORT TO GROUND





Turn the ignition off.
Disconnect the Anti-Lock Brake Module harness connector.
Disconnect the Dynamics Sensor harness connector.
Using a 12-volt test light connected to 12-volts, check the (G4) Dynamics Sensor Supply circuit.

Does the test light illuminate brightly?

Yes

- Repair the (G4) Dynamics Sensor Supply circuit for a short to ground.
- Perform ABS VERIFICATION TEST VER 1. ABS Verification Test.

No

- Go To 6

6. CHECK THE (G4) DYNAMICS SENSOR SUPPLY CIRCUIT FOR A SHORT TO VOLTAGE





Turn the ignition off.
Disconnect the Anti-Lock Brake Module harness connector.
Disconnect the Dynamics Sensor harness connector.
Turn the ignition on.
Using a 12-volt test light connected to ground check the (G4) Dynamics Sensor Supply circuit.

Does the test light illuminate brightly?

Yes

- Repair the (G4) Dynamics Sensor Supply circuit for a short to voltage.
- Perform ABS VERIFICATION TEST - VER 1. ABS Verification Test.

No

- Go To 7

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





Turn the ignition off.
Disconnect the Dynamics Sensor harness connector.
Measure the resistance between the (G94) Dynamics Sensor Ground Circuit and Ground.

Is the resistance below 5.O ohms?

Yes

- Replace the Dynamics Sensor.
- Perform ABS VERIFICATION TEST - VER 1. ABS Verification Test.

No

- Go To 8

8. CHECK THE (G94) DYNAMICS SENSOR GROUND CIRCUIT FOR A SHORT TO GROUND





Turn the ignition off.
Disconnect the Anti-Lock Brake Module harness connector.
Disconnect the Dynamics Sensor harness connector.
Using a 12-volt test light connected to 12-volts, check the (G94) Dynamics Sensor Ground circuit.

Does the test light illuminate brightly?

Yes

- Repair the (G94) Dynamics Sensor Ground circuit for a short to ground.
- Perform ABS VERIFICATION TEST VER 1. ABS Verification Test.

No

- Go To 9

9. CHECK THE (G94) DYNAMICS SENSOR GROUND CIRCUIT FOR A SHORT TO VOLTAGE





Turn the ignition off.
Disconnect the Anti-Lock Brake Module harness connector.
Disconnect the Dynamics Sensor harness connector.
Turn the ignition on.
Using a 12-volt test light connected to ground, check the (G94) Dynamics Sensor Ground circuit.

Does the test light illuminate brightly?

Yes

- Repair the (G94) Dynamics Sensor Ground circuit for a short to voltage.
- Perform ABS VERIFICATION TEST - VER 1. ABS Verification Test.

No

- Go To 10

10. CHECK THE (G94) DYNAMICS SENSOR GROUND CIRCUIT FOR AN OPEN





Turn the ignition off.
Disconnect the Anti-Lock Brake Module harness connector.
Disconnect the Dynamics Sensor harness connector.
Connect a jumper wire between the (G94) Dynamics Sensor Ground circuit and ground.
Using a 12-volt test light connected to 12-volts check the (G94) Dynamics Sensor Ground circuit

Does the test light illuminate brightly?

Yes

- Replace the Anti-Lock Brake Module.
- Perform ABS VERIFICATION TEST - VER 1. ABS Verification Test.

No

- Repair the (G94) Dynamics Sensor Ground circuit for an open.
- Perform ABS VERIFICATION TEST - VER 1. ABS Verification Test.