Test G: Poor Vehicle Tracking During Anti-Lock Function

Pinpoint Test G: Poor Vehicle Tracking During Anti-Lock Function
Normal Operation

Fused battery voltage is provided to the anti-lock brake (ABS) module from battery junction box fuses 109 (20A) and 106 (40A) along circuits 483 (RD) and 601 (LB/PK) respectively. Fused ignition voltage is provided from central junction box (CJB) fuse 4 (10A) along circuit 298 (VT/OG). When necessary, the ABS module supplies voltage to the hydraulic control unit (HCU) assembly and the pump motor is activated. The ABS module is provided a ground along circuit 57 (BK) and the hydraulic pump motor is provided a ground internally through the HCU.

Possible Causes
^ Base brake system
^ HCU assembly
^ Circuit shorted

G1-G4:

G5-G11: