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MODEL SELECTION INDEX
MY 2003 VY & V2 II SERIES - SERVICE INFORMATION
SECTION 5B - ABS & ABS/TCS
1. GENERAL INFORMATION
1.1 ANTILOCK BRAKING SYSTEM (ABS)
WHEEL SLIP
STEERING CONTROL
CORNERING FORCE
FACTORS AFFECTING BRAKING
1.2 TRACTION CONTROL SYSTEM (TCS)
BASE SYSTEM
1.3 SERVICE INFORMATION
2. GENERAL DESCRIPTION
2 1 ABS AND ABS/TCS SYSTEM OVERVIEW
BASIC OPERATING PRINCIPLE
ABS CONTROL
2.2 NORMAL CONDITIONS DURING ANTI-LOCK BRAKING AND TRACTION CONTROL INTERVENTION
2.3 ABS AND ABS/TCS SYSTEM COMPONENTS
WHEEL SPEED SENSORS AND PULSE RINGS
ABS AND ABS/TCS CONTROL MODULE
HYDRAULIC MODULATOR
THROTTLE RELAXER
THROTTLE RELAXER CONTROL MODULE
ABS WARNING LAMP
ELECTRONIC TRACTION CONTROL (TCS) WARNING DISPLAYS
ELECTRONIC TRACTION CONTROL (T/C) SWITCH
BRAKE MASTER CYLINDER
ABS & TCS FUSES
STOP LAMP SWITCH
2.4 INSTALLATION POSITION OF ABS AND ABS/TCS COMPONENTS
2.5 ABS PRINCIPLES OF OPERATION – EXCLUDING ABS/TCS
NON-ANTI-LOCK BRAKING
ANTI-LOCK BRAKING
ABS CONTROL MODULE OPERATION
HYDRAULIC MODULATOR OPERATION
MASTER CYLINDER OPERATION
OPERATION AND TESTING OF THE ABS WARNING LAMP
2.6 ABS/TCS PRINCIPLES OF OPERATION - EXCLUDING ABS
NON-ANTI-LOCK BRAKING / NON-TRACTION CONTROL
ANTI-LOCK BRAKING
ELECTRONIC TRACTION CONTROL
ABS/TCS CONTROL MODULE OPERATION
HYDRAULIC MODULATOR OPERATION
MASTER CYLINDER OPERATION
OPERATION AND TESTING OF THE ABS AND ‘TRAC OFF’ WARNING LAMPS
3. SERVICE OPERATIONS
3.1 SAFETY AND PRECAUTIONARY MEASURES
3.2 BRAKE SYSTEM BLEED
3.3 FRONT WHEEL SPEED SENSOR LEAD
REMOVE
TEST
REINSTALL
3.4 WHEEL SPEED SENSORS
FRONT WHEEL SPEED SENSOR
REAR WHEEL SPEED SENSOR
3.5 PULSE RINGS
REMOVE
REINSTALL
3.6 HYDRAULIC MODULATOR AND CONTROL MODULE ASSEMBLY
REMOVE
REINSTALL
3.7 CONTROL MODULE
REMOVE
INSPECT
REINSTALL
3.8 MASTER CYLINDER
REMOVE AND REINSTALL
OVERHAUL
3.9 TRACTION CONTROL SWITCH (T/C)
REMOVE
TEST
REINSTALL
3.10 THROTTLE RELAXER CONTROL MODULE (GEN III V8 ONLY)
REMOVE
REINSTALL
3.11 THROTTLE RELAXER (GEN III V8 ONLY)
4. ABS, & ABS/TCS DIAGNOSIS
4.1 GENERAL DESCRIPTION
4.2 BASIC KNOWLEDGE REQUIRED
4.3 VISUAL INSPECTION
ABS, ABS/TCS VISUAL INSPECTION CHART
4.4 ABS & ABS/TCS FUNCTIONAL CHECK
ABS & ABS/TCS FUNCTIONAL CHECK CHART
4.5 INTERMITTENT FAILURES
4.6 ABS & ABS/TCS SELF DIAGNOSTICS
DIAGNOSTIC TROUBLE CODES
FLASH CODE DIAGNOSTICS DISPLAY
ABS DIAGNOSTIC TROUBLE CODES
ABS/TCS DIAGNOSTIC TROUBLE CODES
CLEARING DTCs
4.7 TECH 2 DIAGNOSTICS
4.8 TECH 2 TEST MODES AND SCREEN DISPLAYS FOR ABS & TCS DIAGNOSIS
SYSTEM SELECT MENU
VEHICLE IDENTIFICATION MENU
SYSTEM IDENTIFICATION
ABS/ETC FUNCTION CHOICES MENU
F4: MISCELLANEOUS TESTS
4.9 DIAGNOSTIC CHARTS – V6 ENGINES
INTRODUCTION
CHART A1 – ABS WARNING DISPLAY INOPERATIVE
CHART A2 – TRAC OFF WARNING DISPLAY INOPERATIVE
CHART A3 - LOW TRAC WARNING DISPLAY INOPERATIVE
CHART B - POWER SUPPLY TO CONTROL MODULE (NO DTCs STORED)
CHART C1 – ABS ‘OFF’ WARNING DISPLAY ACTIVATED CONTINUOUSLY - (NO DTCs STORED)
CHART C2 - TRAC OFF WARNING DISPLAY ACTIVATED CONTINUOUSLY – (NO DTCs STORED)
CHART C3 – LOW TRAC WARNING DISPLAY ACTIVATED CONTINUOUSLY – (NO DTCs STORED)
DTC 21 - FRONT RIGHT WHEEL SPEED SENSOR INCORRECT SIGNAL
DTC 23 - FRONT RIGHT WHEEL SPEED SENSOR SHORT OR OPEN CIRCUIT
DTC 25 - FRONT LEFT WHEEL SPEED SENSOR INCORRECT SIGNAL
DTC 27 – FRONT LEFT WHEEL SPEED SENSOR SHORT OR OPEN CIRCUIT
DTC 28 - WHEEL SPEED SENSOR FREQUENCY ERROR
DTC 31 – REAR RIGHT WHEEL SPEED SENSOR INCORRECT SIGNAL
DTC 33 – REAR RIGHT WHEEL SPEED SENSOR SHORT OR OPEN CIRCUIT
DTC 35 - REAR LEFT WHEEL SPEED SENSOR INCORRECT SIGNAL
DTC 37 - REAR LEFT WHEEL SPEED SENSOR SHORT OR OPEN CIRCUIT
DTCs: 41, 42, 45, 46, 47, 48, 51, 52, 55 & 56 – SOLENOID VALVE CIRCUIT FAULTS
DTC 61 - PUMP MOTOR OR RELAY FAULT
DTC 62 – RPM SIGNAL FAULT
DTC 63 - VALVE SOLENOID RELAY CIRCUIT FAULT
DTC 67 – STOP LAMP SWITCH CIRCUIT FAULT
DTC 71 – CONTROL MODULE INTERNAL FAULT
DTC 72 - SERIAL DATA FAULT
DTC 73 – REQUESTED TORQUE CIRCUIT FAULT
DTC 74 - ACTUAL TORQUE CIRCUIT FAULT
DTC 78 – INCORRECT OPTION CODING
DTC 85 – SYSTEM VOLTAGE TOO LOW
5. ABS/TCS DIAGNOSIS – GEN III V8 ENGINE ONLY
5.1 GENERAL DESCRIPTION
5.2 BASIC KNOWLEDGE REQUIRED
5.3 VISUAL INSPECTION
ABS/TCS VISUAL INSPECTION CHART
5.4 ABS/TCS FUNCTIONAL CHECK
ABS OR ABS/TCS FUNCTIONAL CHECK CHART
5.5 INTERMITTENT FAILURES
5.6 ABS/TCS SELF DIAGNOSTICS
5.7 TECH 2 DIAGNOSTICS
5.8 TECH 2 TEST MODES AND SCREEN DISPLAYS FOR ABS/TCS DIAGNOSIS
5.9 DIAGNOSTIC CHARTS
INTRODUCTION
DTC 58 – THROTTLE RELAXER PWM INTERFACE FAULT
DTC 62 – RPM SIGNAL FAULT
DTC 64 – THROTTLE RELAXER CONTROL MODULE POSITION FAULT
DTC 65 – THROTTLE RELAXER MOTOR FAULT
DTC 66 – THROTTLE RELAXER CONTROL FAULT
DTC 68 – THROTTLE POSITION SENSOR MONITORING FAULT
DTC 72 - SERIAL DATA FAULT
DTC 73 – SPARK RETARD MONITORING FAULT
6. SPECIFICATIONS
7. TORQUE WRENCH SPECIFICATIONS
8. SPECIAL TOOLS