Test Description
WARNING: This page is about a different car, the 2007 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
The numbers below refer to the step numbers on the diagnostic table.
- 2: This step checks to see if steering angle sensor is centered.
- 3: This step checks for specified voltage on the lateral accelerometer signal circuit.
- 4: This step checks for specified voltage on the yaw rate signal circuit.
DTC C0187
| Step | Action | Value(s) | 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 | Perform the steering angle sensor centering procedure. Refer to Steering Angle Sensor Centering . Did you successfully complete the centering procedure? |
- | Go to Step 3 | Go to Step 7 |
| 3 |
|
2.3-2.7 V | Go to Step 4 | Go to Step 8 |
| 4 | Using the DMM, measure the voltage between pin 26 and pin 15 of the J 39700
. Is the voltage within the specified value? |
2.3-2.7 V | Go to Step 5 | Go to Step 8 |
| 5 |
|
- | Go to Step 6 | Go to Diagnostic Aids |
| 6 | Replace the EBCM. Refer to Control Module References
for replacement, setup, and programming. Did you complete the replacement? |
- | Go to Step 9 | - |
| 7 | Replace the steering angle sensor. Refer to Steering Wheel Position Sensor Or Steering Shaft Lower Bearing Replacement
. Did you complete the replacement? |
- | Go to Step 9 | - |
| 8 | Replace the vehicle yaw/lateral accelerometer sensor. Refer to Yaw Rate Sensor/Lateral Accelerometer Replacement . Did you complete the repair? |
- | Go to Step 9 | - |
| 9 |
|
- | Go to Step 2 | System OK |