Test G: Poor Vehicle Tracking During Anti-Lock Function

Test G: 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 ignition voltage is supplied by the smart junction box (SJB) through circuit 1844 (LG/RD) and fused battery voltage is supplied by the bussed electrical center (BEC) through circuit 601 (LB/PK) and circuit 534 (YE/LG). Ground is provided through circuit 1205 (BK).

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

G1-G2:

G3-G5: