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Test Description

The numbers below refer to the step numbers on the diagnostic table.

  1. 2:  This step tests for the proper voltage output on the 5-volt reference circuit and the proper operation of the signal circuit.
  2. 3:  This step tests for possible low 5-volt reference output or a problem with the signal circuit.
  3. 4:  This step tests for a short to voltage on the 5-volt reference circuit. If a short to voltage exists, other DTCs may be set for the vehicle stability system if equipped.
  4. 8:  This step tests for a problem with the low reference circuit. If a short to voltage exists, other DTCs may be set for the vehicle stability system if equipped.
DTC C0192

Step Action Values Yes No
Schematic Reference: Antilock Brake System Schematics 
Connector End View Reference: Antilock Brake System Connector End Views 
1 Did you perform the Diagnostic System Check - Vehicle? - Go to Step 2  Go to Diagnostic System Check - Vehicle
2 
  1. Turn OFF the ignition.
  2. Connect a 3-amp fused jumper wire between the longitudinal accelerometer 5-volt reference circuit and the longitudinal accelerometer signal circuit.
  3. Turn ON the ignition, with the engine OFF.
  4. With the scan tool, observe the longitudinal accelerometer parameter.
Does the scan tool indicate that the longitudinal accelerometer parameter is in between the specified voltage range?		 4.5-5.5 V Go to Step 8  Go to Step 3 
3  With the 3-amp fused jumper wire still connected, does the scan tool indicate that the longitudinal accelerometer parameter is in below the specified voltage value? 4.5 V Go to Step 5  Go to Step 4 
4  Test the longitudinal accelerometer 5-volt reference circuit for a short to voltage. Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?		 - Go to Step 12  Go to Step 7 
5 Test the longitudinal accelerometer 5-volt reference circuit for the following conditions:
  • An open
  • A short to ground
  • A high resistance

Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?		 - Go to Step 12  Go to Step 6 
6 Test the longitudinal accelerometer signal circuit for the following conditions:
  • An open
  • A short to ground
  • A high resistance

Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?		 - Go to Step 12  Go to Step 11 
7 Test the longitudinal accelerometer signal circuit for a short to voltage. Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?		 - Go to Step 12  Go to Step 11 
8  Test the longitudinal accelerometer low reference circuit for the following conditions:
  • An open
  • A short to voltage
  • A high resistance

Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?		 - Go to Step 12  Go to Step 9 
9 Inspect for poor connections at the harness connector of the yaw rate and lateral accelerometer sensor. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?		 - Go to Step 12  Go to Step 10 
10 Replace the yaw rate and lateral accelerometer sensor. Refer to Brake Fluid Pressure Sensor Replacement .
Did you complete the replacement?		 - Go to Step 12  -
11 Replace the electronic brake control module (EBCM). Refer to Control Module References for replacement, setup, and programming.
Did you complete the replacement?		 - Go to Step 12  -
12
  1. Clear the DTCs using the scan tool.
  2. Operate the vehicle within the Conditions for Running the DTC as specified in the supporting text.
Does the DTC reset?		 - Go to Step 2  System OK
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