Test A: The Anti-Lock Brake System (ABS) Module Does Not Respond To The Diagnostic Tool

PINPOINT TEST A: THE ANTI-LOCK BRAKE SYSTEM (ABS) MODULE DOES NOT RESPOND TO THE DIAGNOSTIC TOOL

A1:

A1-A3:

Normal Operation
The ABS module communicates with the diagnostic tool through the high speed controller area network (CAN), circuits 1827 (WH/LG) and 1828 (PK/LG). Check circuits 1827 (WH/LG) and 1828 (PK/LG) between the ABS module C135 and the data link connector (DLC) C251. The total resistance values must not be more than 5 ohms. If the resistance is more than 5 ohms there is an open in one of the high speed CAN circuits, damage to the DLC C251, damage to the ABS module C135, or a problem in an in-line connector.

Possible Causes
- high speed CAN circuit 1827 (WH/LG) open
- high speed CAN circuit 1828 (PK/LG) open
- ABS module C135
- ABS module