Circuit Description
ABS/TCS receives power from 3 circuits. Circuit No. 642 supplies battery power to pump motor. Circuit No. 342 supplies battery power to solenoid valves,EBCM/EBTCM and coil of pump motor relay. Circuit No. 641 supplies battery power to initialize controller operations. It also supplies power to solenoid valve relay.
DTC will set when: Power distribution system does not supply battery voltage to circuit No. 642. Fuse No. 1 (ABS Motor) is open. Circuit No. 642 has a wiring problem, terminal corrosion or poor connections. There is an internal malfunction in EBCM/EBTCM or BPMV.
A malfunction DTC is stored, ABS/TCS is disabled and ANTI-LOCK and TRACTION OFF indicator sights are turned on.
NOTE:
Test numbers refer to numbers on diagnostic chart. To identify circuits and terminals referenced in text and flowcharts, see WIRING DIAGRAMS
.