Dodge Durango

 Service Manual

Brakes » Rear wheel antilock brakes » Description and operation
Brake warning lamps

DESCRIPTION

The red brake warning lamp and amber ABS warning lamp are located in the instrument cluster.

The red brake warning lamp is used to alert the driver of a hydraulic fault or that the parking brake is applied. For the RWAL system, the red brake warning lamp also is used to alerts the driver of a problem with the RWAL system.

Fig. 5 Data Link Connector - Typical

1 - 16-WAY DATA LINK CONNECTOR

OPERATION

The red brake warning lamp illuminates when a message is sent over the bus to the cluster to illuminate the bulb. A ground for the bulb is provided when:

• The parking brake is applied and the park brake switch is actuated.
• A hydraulic fault has occurred and the pressure differential switch is actuated.
• A RWAL fault has occurred.

The amber ABS warning lamp is used to alert the driver of an RWAL problem and identify DTCs stored in the CABs memory.

Rear wheel antilock

Controller rear wheel antilock brakes

Rwal valve

Rear wheel speed sensor and exciter ring

Brake warning lamps

Brake lamp switch