Abs With Traction Control - Normal Braking Hydraulic Circuit - Chrysler 2000 LHS Owner's Manual

LH
DESCRIPTION AND OPERATION (Continued)
Fig. 8 ABS With Traction Control - Normal Braking Hydraulic Circuit
1 – OUTLET VALVE
2 – PUMP PISTON
3 – PUMP MOTOR (OFF)
4 – SUCTION VALVE
5 – LOW PRESSURE ACCUMULATOR
6 – NORMALLY CLOSED VALVE (OFF)
7 – TO RIGHT FRONT WHEEL
• The normally open TC (ASR) valve bypasses the
pump output back to the master cylinder at a fixed
pressure setting.
• The normally open and normally closed valves
modulate (build/decay)
required to the spinning wheel.
DIAGNOSIS AND TESTING
SERVICE WARNINGS AND CAUTIONS
The ABS uses an electronic control module, the CAB.
This module is designed to withstand normal current
draws associated with vehicle operation. Care must be
taken to avoid overloading the CAB circuits.
CAUTION: In testing for open or short circuits, do
not ground or apply voltage to any of the circuits
unless instructed to do so for a diagnostic proce-
dure.
the brake pressure
8 – NORMALLY OPEN VALVE (OFF)
9 – NORMALLY OPEN ASR VALVE (OFF)
10 – FROM MASTER CYLINDER
11 – HYDRAULIC SHUTTLE VALVE
12 – MASTER CYLINDER PRESSURE
13 – NOISE DAMPER CHAMBER
CAUTION: These circuits should only be tested
using a high impedance multi-meter or the DRB
scan tool as described in this section. Power
should never be removed or applied to any control
as module with the ignition in the ON position. Before
removing or connecting battery cables, fuses, or
connectors, always turn the ignition to the OFF
position.
CAUTION: Use only factory wiring harnesses. Do
not cut or splice wiring to the brake circuits. The
addition of after-market electrical equipment (car
phone, radar detector, citizen band radio, trailer
lighting, trailer brakes, etc.) on a vehicle equipped
with antilock brakes may affect the function of the
antilock brake system.
BRAKES 5 - 63