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MODEL SELECTION INDEX
MY 2003 VY & V2 II SERIES - SERVICE INFORMATION
SECTION 12J - BODY CONTROL MODULE
1. GENERAL INFORMATION
ABBREVIATIONS
BODY CONTROL MODULE
CIRCUIT DIAGNOSTICS – PULL-UP
CIRCUIT DIAGNOSTICS – PULL-DOWN
SERIAL COMMUNICATION
BCM — RIGHT-HAND DRIVE LOCATION AND CONNECTORS
BCM — LEFT-HAND DRIVE LOCATION AND CONNECTORS
BCM TERMINAL IDENTIFICATION
1.1 BCM MODES
BATTERY SAVER MODE
PRE-DELIVERY MODE
1.2 SERIAL DATA COMMUNICATION (BUS MASTER)
SYSTEM OVERVIEW
POWERTRAIN INTERFACE MODULE (PIM)
INPUTS AND OUTPUTS
1.3 REMOTE RECEIVER / KEY
SYSTEM OPERATION
CIRCUIT OPERATION
1.4 ACCESSORY POWER CONTROL
SYSTEM OPERATION
SYSTEM OVERVIEW
CIRCUIT OPERATION
1.5 CENTRAL DOOR LOCKING
SYSTEM OPERATION
SYSTEM CHECK
SYSTEM OVERVIEW
CIRCUIT OPERATION
1.6 REAR COMPARTMENT RELEASE
SYSTEM OPERATION
CIRCUIT OPERATION
1.7 THEFT DETERRENT SYSTEM
GENERAL INFORMATION
SYSTEM OVERVIEW
SYSTEM OPERATION
CIRCUIT OPERATION
1.8 ENTRY DETERRENT SYSTEM
CIRCUIT DESCRIPTION
SYSTEM OVERVIEW
CIRCUIT OPERATION
1.9 POWER WINDOW SYSTEM
SYSTEM FUNCTIONS
SYSTEM OVERVIEW
CIRCUIT OPERATION
1.10 ENGINE COOLING FAN LOW-SPEED CONTROL
RHD
LHD
SYSTEM OVERVIEW
FAN OPERATION: STANDARD COOLING FAN SYSTEM – V6
FAN OPERATION: HIGH POWER COOLING FAN SYSTEM– V6
FAN OPERATION: HIGH POWER COOLING FAN SYSTEM– GEN III V8
1.11 WIPER SYSTEM
GENERAL INFORMATION
LEVEL 1 VEHICLES
LEVEL 2 AND LEVEL 3 VEHICLES
1.12 DOME LAMP DELAY CONTROL
SYSTEM OPERATION
CIRCUIT OPERATION
SYSTEM OPERATION
CIRCUIT OPERATION
1.13 AUTOMATIC LAMP CONTROL
SYSTEM OPERATION
SYSTEM OVERVIEW
CIRCUIT OPERATION
1.14 INSTRUMENT DIMMING CONTROL
SYSTEM OPERATION
SYSTEM OVERVIEW
CIRCUIT OPERATION
1.15 AIR CONDITIONING INTERFACE
SYSTEM OPERATION
SYSTEM OVERVIEW
CIRCUIT OPERATION
1.16 SRS DEPLOYMENT VEHICLE SHUTDOWN
SYSTEM OPERATION
SYSTEM OVERVIEW
CIRCUIT OPERATION
1.17 PRIORITY KEY SYSTEM
OPERATING PARAMETERS
SYSTEM OVERVIEW
CIRCUIT OPERATION
1.18 POWER ANTENNA CONTROL
SYSTEM OPERATION
SYSTEM OVERVIEW
CIRCUIT OPERATION
1.19 HEATED REAR WINDOW
SYSTEM OPERATION
SYSTEM OVERVIEW
CIRCUIT OPERATION
1.20 REAR LAMP FAILURE WARNING SYSTEM
SYSTEM OPERATION
SYSTEM OVERVIEW
CIRCUIT OPERATION
1.21 HAZARD LAMP CONTROL
SYSTEM OPERATION
CIRCUIT OPERATION
2. SERVICE OPERATIONS
2.1 BODY CONTROL MODULE
SAFETY AND PRECAUTIONARY MEASURES
BCM CONNECTORS AND RHD LOCATION
BCM CONNECTORS AND LHD LOCATION
REMOVE
REINSTALL
BCM RELEARN PROCEDURE
2.2 REMOTE CODED KEY
KEY REPLACEMENT
2.3 REMOTE RECEIVER
REMOVE
REINSTALL
2.4 POWER WINDOW DOOR SWITCHES
REMOVE
REINSTALL
3. TECH 2 DIAGNOSIS FOR BCM
3.1 BASIC KNOWLEDGE REQUIRED
3.2 CONNECTING TECH 2 FOR SYSTEM DIAGNOSIS
3.3 TECH 2 TEST MODES AND DISPLAYS
MODEL SELECTION INDEX
BODY MENU
3.4 NORMAL MODE
3.5 DIAGNOSTIC TROUBLE CODES
DIAGNOSTIC TROUBLE CODES MENU
READ DTC INFORMATION
READ ALARM CODES
3.6 DATA DISPLAY
INPUTS AND OUTPUTS
BCM INTERNAL STATUS
SERIAL DATA INPUTS
PRIORITY 1 USER SETTINGS
PRIORITY 2 USER SETTINGS
ALARM / THEFT DETERRENT
CENTRAL DOOR LOCKING
POWER WINDOWS
WIPERS
HEADLAMPS
INSTRUMENT ILLUMINATION
INTERIOR ILLUMINATION
REAR LAMP FAILURE
AIR CONDITIONING INTERFACE
ANTENNA
SYSTEM IDENTIFICATION
3.7 SNAPSHOT
3.8 MISCELLANEOUS TESTS
LAMPS
LOW SPEED COOLING FAN
DATA BUS ISOLATOR
CENTRAL LOCKING
REAR COMPARTMENT
WIPERS
POWER WINDOWS
ANTENNA
HORN
INTERIOR ILLUMINATION RELAY
ACCESSORY RELAY
SECURITY SYSTEM
3.9 PROGRAM
F0: USER SETTINGS
F1: OPTIONS
F2: SET KEY TO PRIORITY 1
F3: LEARN BCM SETTINGS
F4: PROGRAM LEARNT BCM SETTINGS
3.10 SECURITY
F0: BCM LINK TO PCM/PIM
F1: SECURITY INFORMATION
F2: PROGRAM
4. BCM DIAGNOSTICS
4.1 PREREQUISITES TO DIAGNOSIS AND TROUBLESHOOTING
PRELIMINARY SYSTEM REQUIREMENTS
PRE-DELIVERY MODE
SAFETY REQUIREMENTS
EQUIPMENT AND CHECKING
MODULE LOCATION
ABBREVIATIONS
4.2 SERIAL DATA COMMUNICATION (BUS MASTER)
CIRCUIT DESCRIPTION
4.3 REMOTE RECEIVER / KEY
CIRCUIT DESCRIPTION
4.4 ACCESSORY POWER CONTROL
CIRCUIT DESCRIPTION
4.5 CENTRAL DOOR LOCKING
CIRCUIT DESCRIPTION
PART A – UNLOCKING DOORS USING DRIVER’S DOOR LOCK MICROSWITCH
PART B – LOCKING DOORS USING DRIVER’S DOOR LOCK MICROSWITCH
PART C – UNLOCKING DOORS USING DRIVER’S DOOR LOCK SNIB ACTUATOR
PART D – LOCKING DOORS USING DRIVER’S DOOR LOCK SNIB ACTUATOR
PART E – UNLOCKING DOORS USING PASSENGERS’ DOOR LOCK SNIB ACTUATORS
PART F – LOCKING DOORS USING FRONT PASSENGER DOOR LOCK SNIB ACTUATOR
PART G – UNLOCKING THE TAILGATE
PART H – DEADLOCKING DOORS USING DRIVER’S DOOR LOCK MICROSWITCH
PART I – UNLOCKING DOORS FROM DEADLOCK
PART J – AUTO DOOR LOCKING (GEARSHIFT OUT OF PARK POSITION)
PART K – AUTO DOOR UNLOCKING (GEARSHIFT INTO PARK POSITION)
PART L – DOOR AJAR SWITCHES
4.6 REAR COMPARTMENT RELEASE
CIRCUIT DESCRIPTION
4.7 THEFT DETERRENT SYSTEM
CIRCUIT DESCRIPTION
4.8 ENTRY DETERRENT SYSTEM
CIRCUIT DESCRIPTION
4.9 POWER WINDOW SYSTEM
CIRCUIT DESCRIPTION
4.10 ENGINE COOLING FAN LOW-SPEED CONTROL
CIRCUIT DESCRIPTION
4.11 WIPER SYSTEM
CIRCUIT DESCRIPTION
4.12 DOME LAMP DELAY CONTROL
CIRCUIT DESCRIPTION
4.13 AUTOMATIC LAMP CONTROL
CIRCUIT DESCRIPTION
4.14 INSTRUMENT DIMMING CONTROL
CIRCUIT DESCRIPTION
4.15 AIR CONDITIONING INTERFACE
CIRCUIT DESCRIPTION
4.16 SRS DEPLOYMENT VEHICLE SHUTDOWN
CIRCUIT DESCRIPTION
4.17 PRIORITY KEY SYSTEM
DESCRIPTION
4.18 POWER ANTENNA CONTROL
CIRCUIT DESCRIPTION
4.19 HEATED REAR WINDOW
CIRCUIT DESCRIPTION
4.20 REAR LAMP FAILURE WARNING SYSTEM
CIRCUIT DESCRIPTION
4.21 HAZARD LAMP CONTROL
CIRCUIT DESCRIPTION
5. TORQUE WRENCH SPECIFICATIONS
6. SPECIAL TOOLS