H: Poor Vehicle Tracking During Anti-Lock Function

Pinpoint Test H: Poor Vehicle Tracking During Anti-Lock Function

Normal Operation
The operating voltage required to supply the anti-lock brake system (ABS) module, hydraulic pump and isolation valves is in a range between 10 and 16 volts.

Fused battery voltage is supplied to the ABS module from battery junction box (BJB) fuses 10 (20A) and 8 (40A) along circuits SBB 10 (YE/RD) and SBB36 (GN/RD) respectively. Fused ignition voltage is supplied to the ABS module from smart junction box (SJB) fuse 28 (10A) along CBP19 (BN/WH) and ground is provided along circuit GD123 (BK/GY).

Possible Causes
^ Base brake system
^ Hydraulic control unit (HCU)

PINPOINT TEST H: POOR VEHICLE TRACKING DURING ANTI-LOCK FUNCTION

H1-H4:

H5: