For 1990-2009 cars only
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 Descriptors
DTC C0288 00: Brake Pad Wear Signal CircuitDTC C0288 02: Brake Pad Wear Signal Circuit short to ground
Circuit/System Description
The electronic brake control module (EBCM) monitors the brake pad wear indicators. When the electronic brake control module (EBCM) detects the brake pad to be worn down to an unacceptable level a warning message will be displayed on the DIC warning the owner to service the brake pad and rotors
Conditions for Running the DTC
The engine is running.
Conditions for Setting the DTC
Worn brake pads, or a short to ground on the sensor return circuit.
Actions Taken When the DTC Sets
A DIC message and/or a warning message may be displayed
Conditions for Clearing the DTC
| • | The condition for the DTC is no longer present. |
| • | The EBCM clears the history DTC when a current DTC is not detected in 100 consecutive drive cycles. |
Reference Information
Schematic Reference
Antilock Brake System Schematics
Connector End View Reference
Description and Operation
Electrical Information Reference
Scan Tool Reference
Control Module References for scan tool information
Circuit/System Verification
- Verify brake wear sensors are not contacting rotor surface..
- Verify that DTC C0288 02 is not set.
- If DTC C0288 still sets, measure for open between PIN 30 and 23 at EBCM connector side.
| ⇒ | If wear indicator has made rotor contact, service brake pads on the affected axle. |
| ⇒ | If DTC C0288 02 is set, test and repair brake wear sensor signal circuit for a short to ground condition. |
| ⇒ | If sensors and circuits test OK and DTC is still set replace EBCM. |
