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

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

B1-B2:

B3-B5:

B6:

Normal Operation
The ABS module communicates with the scan tool through circuit VDB10 (GY). Voltage for the ABS module is provided by circuits CBP20 (YE/VT), SBB17 (RD) and SBB15 (WH/RD). Circuits GD122 (BK) provide ground.

Possible Causes
- Fuse
- Circuit VDB10 (GY) open, short to ground or voltage
- Circuit CBP20 (YE/VT) open
- Circuit SBB15 (WH/RD) open
- Circuit SBB17 (RD) open
- Circuit GD122 (BK) open
- ABS module