SECTION 1A7 - SEAT & SEAT BELT ASSEMBLIES
1. GENERAL INFORMATION
1.1 GENERAL DESCRIPTION
FRONT SEAT ASSEMBLY
1.2 EIGHT-WAY ELECTRIC SEAT
ADJUSTMENT
SEAT ADJUSTMENT CONTROL SWITCH
ASSEMBLY
1.3 EZ-ENTRY SYSTEM
OCCUPANT SENSING MAT
1.4 MEMORY SEAT SYSTEM – CV8
DRIVER’S SEAT
MEMORY SETS
MEMORY BUTTONS
PRIORITY RECALL FUNCTION
MODULE CONTROL SIGNALS
DIAGNOSTIC READOUT
2. SERVICE OPERATIONS
2.1 FRONT BUCKET SEAT ASSEMBLY
REMOVE
REINSTALL
2.2 FRONT SEAT OUTER SIDE COVER
REMOVE
REINSTALL
2.3 EIGHT-WAY SEAT ADJUSTING SWITCH
REMOVE
TEST
REINSTALL
2.4 MEMORY POSITION SWITCH
REMOVE
REINSTALL
2.5 FRONT SEAT CONTROL MODULE
REMOVE
REINSTALL
2.6 FRONT SEAT INNER SIDE COVER
REMOVE
REINSTALL
2.7 LUMBAR SUPPORT ADJUSTER
KNOB AND FRONT SEAT BACK
COVER ASSEMBLY
REMOVE
REINSTALL
2.8 EZ-ENTRY LEVER ARM AND
ESCUTCHEON
REMOVE
REINSTALL
2.9 EZ-ENTRY CABLE ASSEMBLY
2.10 FRONT SEAT BACK PAD AND
COVER ASSEMBLY
REMOVE
REINSTALL
2.11 FRONT SEAT BACK FRAME, LUMBAR
SUPPORT AND ADJUSTER ASSEMBLY
REMOVE
REINSTALL
2.12 FRONT SEAT CUSHION PAD AND
COVER ASSEMBLY
REMOVE
REINSTALL
2.13 FRONT SEAT CUSHION FRAME ASSEMBLY
REMOVE
REINSTALL
2.14 FRONT SEAT ADJUSTER ASSEMBLY
2.15 FRONT SEAT HEAD RESTRAINT ASSEMBLY
REMOVE
REINSTALL
2.16 FRONT SEAT LIFT MOTORS
2.17 FRONT SEAT FORE/AFT MOVEMENT MOTOR
2.18 FRONT SEAT RECLINING MOTOR,
GEARBOX AND POTENTIOMETER ASSEMBLY
2.19 DRIVE MOTOR POTENTIOMETERS
2.20 REAR SEAT CUSHION AND BACK ASSEMBLIES
REMOVE
REINSTALL
2.21 REAR SEAT HEAD RESTRAINT ASSEMBLY
REMOVE
REINSTALL
2.22 FRONT SEAT BELT RETRACTOR AND
HEIGHT ADJUSTER
REMOVE
REINSTALL
2.23 FRONT SEAT BELT BUCKLE AND
PRETENSIONER ASSEMBLY
REMOVE
REINSTALL
2.24 REAR SEAT BELT RETRACTOR ASSEMBLY
REMOVE
REINSTALL
2.25 REAR SEAT BELT BUCKLE ASSEMBLY
REMOVE
REINSTALL
3. DIAGNOSTICS
3.1 PREREQUISITES TO DIAGNOSIS AND
TROUBLE SHOOTING
INTRODUCTION TO DIAGNOSTICS
PRELIMINARY SYSTEM REQUIREMENTS
CHECKING EQUIPMENT
3.2 VISUAL INSPECTION
VISUAL INSPECTION NO. 1
VISUAL INSPECTION NO. 2
3.3 DIAGNOSTICS – NON-MEMORY TYPE SEAT
ENTERING DIAGNOSTIC MODE
READING DIAGNOSTIC TEST CODES
DIAGNOSTIC TEST CODES – NON-
MEMORY TYPE SEAT
RESETTING FULL FORWARD STALL
Techline
Techline
Techline
Techline
Techline
3.4 DIAGNOSTICS – MEMORY TYPE SEAT
ENTERING DIAGNOSTIC MODE
READING DIAGNOSTIC TEST CODES
REQUESTING THE NEXT DIAGNOSTIC
TEST CODE
DIAGNOSTIC TEST CODES – MEMORY
TYPE SEAT
MEMORY SEAT VEHICLE ASSEMBLY
PLANT CHECK AND TEST
3.5 GENERAL DIAGNOSTIC CHARTS –
NON-MEMORY TYPE SEAT
INTRODUCTION
NON-MEMORY TYPE SEAT DOES NOT
MOVE IN ANY DIRECTION
NON-MEMORY TYPE DRIVERS SEAT
CIRCUIT DIAGRAM AND CONNECTORS
NON-MEMORY TYPE PASSENGERS SEAT
CIRCUIT DIAGRAM AND CONNECTORS
SEAT FRONT UP AND/OR DOWN FUNCTION
INOPERATIVE
SEAT REAR UP AND/OR DOWN FUNCTION
INOPERATIVE
SEAT RECLINER FORWARD AND/OR BACK
FUNCTION INOPERATIVE
SEAT FORWARD AND/OR AFT FUNCTION
INOPERATIVE
TRACK MOTOR POSITION SENSOR
POTENTIOMETER TEST
EIGHT WAY SEAT ADJUSTING
SWITCH TEST
EZ-ENTRY SEAT SYSTEM TEST
OCCUPANT SENSING MAT TEST
3.6 GENERAL DIAGNOSTIC CHARTS –
MEMORY TYPE SEAT
INTRODUCTION
MEMORY TYPE SEAT DOES NOT MOVE IN
ANY DIRECTION
MEMORY TYPE DRIVERS SEAT CIRCUIT
DIAGRAM AND CONNECTORS
EZ-ENTRY SEAT SYSTEM TEST
SEAT FORWARD AND/OR AFT FUNCTION
INOPERATIVE
SEAT FRONT UP AND/OR DOWN FUNCTION
INOPERATIVE
SEAT REAR UP AND/OR DOWN FUNCTION
INOPERATIVE
SEAT RECLINER FORWARD AND/OR BACK
FUNCTION INOPERATIVE
TRACK MOTOR POSITION SENSOR
POTENTIOMETER TEST
FRONT LIFT MOTOR POSITION SENSOR
POTENTIOMETER TEST
REAR LIFT MOTOR POSITION SENSOR
POTENTIOMETER TEST
RECLINER MOTOR POSITION SENSOR
POTENTIOMETER TEST
EIGHT WAY SEAT ADJUSTING SWITCH TEST
MEMORY POSITION SWITCH TEST
PRIORITY SIGNAL LINES TEST
OCCUPANT SENSING MAT TEST
4. TORQUE WRENCH SPECIFICATIONS
5. SPECIAL TOOLS