For 1990-2009 cars

### Diagnostic Instructions

• | Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.

• | Review Strategy Based Diagnosis for an overview of the diagnostic approach.

• | Diagnostic Procedure Instructions provides an overview of each diagnostic category.

### DTC Descriptor

DTC C0292: VSES Combination Sensor Circuits

### Circuit/System Description

The electronic brake control module (EBCM) supplies an ignition voltage to the yaw rate sensor lateral accelerometer and is monitored via an internal feedback circuit to the EBCM microprocessor.

### Conditions for Running the DTC

• | The ignition is ON.

• | Ignition voltage is greater than 9.5 volts.

### Conditions for Setting the DTC

The yaw/lateral sensor is setting an internal electronic failure.

### Action Taken When the DTC Sets

• | Vehicle stability enhancement system (VSES) is disabled.

• | A DIC message and/or a warning indicator may be displayed.

### Conditions for Clearing the DTC

• | The condition for setting the DTC is no longer present.

• | The EBCM automatically clears the history DTC when a current DTC is not detected in 50 consecutive drive cycles.

### Reference Information

#### Schematic Reference

Antilock Brake System Schematics

#### Connector End View Reference

Component Connector End Views

#### Description and Operation Reference

ABS Description and Operation

#### Electrical Information Reference

• | Circuit Testing

• | Testing for Intermittent Conditions and Poor Connections

• | Wiring Repairs

• | Connector Repairs

#### Scan Tool Reference

Control Module References for Scan Tool Information

### Circuit/System Testing

1. Ignition OFF, disconnect the harness connector at the Yaw Rate/Lateral Accelerometer sensor.
2. Test for less than 1 ohm of resistance between the low reference circuit terminal 5 and ground.

⇒ | If greater than the specified range, test for an open/high resistance in the low reference circuit.

3. Ignition ON, test for ignition voltage between the ignition circuit terminal 3 and the low reference circuit terminal 5.

⇒ | If not the specified value, test the ignition circuit for a short to ground or an open/high resistance.

4. Ignition OFF, disconnect the harness connector at the EBCM.
5. If all circuits test normal, replace the Yaw Rate/Lateral sensor. If DTC resets replace the EBCM.

### Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

• | Longitudinal Accelerometer Replacement

• | Control Module References for EBCM replacement, setup and programming