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ABS SYSTEM AND TRACTION CONTROL
Description and Operation ................................... 4E-2
ABS (Anti-Lock Brake System) ............................ 4E-2
TCS (Traction Control System) Description ............ 4E-3
Tire and ABS/TCS ................................................ 4E-9
Hydraulic Circuit ................................................. 4E-10
ABS 5.3 ............................................................. 4E-10
ABS/TCS 5.3 ..................................................... 4E-13
Component Locator ........................................... 4E-16
ABS, ABS/TCS 5.3 ............................................ 4E-16
Diagnostic Information and Procedures ............ 4E-18
Diagnostic Circuit Check .................................... 4E-18
ABS Indicator Lamp Inoperative ......................... 4E-20
TCS Indicator Lamp Inoperative ......................... 4E-24
EBD Indicator Lamp Inoperative ........................ 4E-28
Self-Diagnostics ................................................ 4E-38
Intermittent and Poor Connections ...................... 4E-38
DTC 045-Left Rear Wheel Speed Sensor Fault .... 4E-48
SECTION 4E
SYSTEM
TABLE OF CONTENTS
DTC 930-Acceleration Sensor Fault ..................... 4E-60
DTC-Acceleration Sensor Continuity Fault ........... 4E-62
DTC 121-Valve Relay Circuit Fault ...................... 4E-74
DTC 110-Return Pump Motor Circuit Fault........... 4E-76
DTC 161-Stoplamp Switch Fault ......................... 4E-78
DTC 800-Low Voltage Fault ................................ 4E-82
DTC 550-EBCM Internal Fault ............................. 4E-86
Schematic and Routing Diagrams ..................... 4E-88
ABS 5.3 Circuit .................................................. 4E-88
ABD 5.3 Circuit .................................................. 4E-89
Connector End Views ......................................... 4E-90
EBCM (Hydraulic Modulator/Unit Integrated) ...... 4E-90
Repair Instructions .............................................. 4E-91
On-Vehicle Service ............................................. 4E-91
Service Precautions ........................................... 4E-91
Hydraulic Modulator/Ebcm Assembly ................ 4E-92
Front Wheel Speed Sensor ................................. 4E-93
Rear Wheel Speed Sensor ................................. 4E-93
Acceleration Sensor ........................................... 4E-94
System Fuse ..................................................... 4E-94
Indicators .......................................................... 4E-94
Unit Repair .......................................................... 4E-95
ABS Front Tooth Wheel ...................................... 4E-95
Special Tools and Equipment ............................ 4E-96
Special Tools Table............................................ 4E-96
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