Suzuki Grand Vitara JB416 / JB420. Service manual - part 332

8B-124 Air Bag System: 

Table of Contents 9- i

9

Section 9

CONTENTS

Body, Cab and Accessories

Precautions .................................................9-1

Precautions............................................................. 9-1

Precautions on Body, Cab and Accessories......... 9-1
Precautions for Body Service................................ 9-1
Fastener Caution for Body Service ....................... 9-1

Wiring Systems........................................ 9A-1

Precautions...........................................................9A-1

Cautions in Body Electrical System Servicing..... 9A-1
Precautions for Wiring System............................ 9A-1

General Description .............................................9A-2

Abbreviations ...................................................... 9A-2
Wire / Connector Color Symbols......................... 9A-2
Symbols and Marks ............................................ 9A-3
How to Read Connector Layout Diagram ........... 9A-5
How to Read Connector Codes and Terminal 

Nos.................................................................... 9A-6

How to Read Ground Point ................................. 9A-9
How to Read Power Supply Diagram................9A-10
How to Read System Circuit Diagram...............9A-10

Connector Layout Diagram ...............................9A-12

Connector Layout Diagram ...............................9A-12
Engine Compartment ........................................ 9A-12
Instrument Panel...............................................9A-21
Door, Roof.........................................................9A-26
Floor.................................................................. 9A-30
Rear .................................................................. 9A-36

Ground Point ......................................................9A-37

Ground (earth) Point .........................................9A-37

Power Supply Diagram ......................................9A-38

Power Supply Diagram ..................................... 9A-38
Fuses and the Protected Parts .........................9A-41
Fuses in Battery Fuse Box, Fuse Box No.1 ......9A-41
Fuse Box No.2 (In Power Integration No.1, 

Power Integration No.2), Relay Box................9A-42

Fuse Box No.3 (In J/B)......................................9A-43
Junction Block (J/B) Connector / Fuse Layout ..9A-45
Junction Block Inner Circuit (Overview) ............9A-46
Junction Block Inner Circuit (Detail) ..................9A-47

System Circuit Diagram.....................................9A-51

System Circuit Diagram .................................... 9A-51
A-1 Cranking System Circuit Diagram .............. 9A-52
A-2 Charging System Circuit Diagram .............. 9A-53
A-3 Ignition System Circuit Diagram (M16A) .... 9A-54

A-3 Ignition System Circuit Diagram (J20A)......9A-55
A-4 Cooling System Circuit Diagram.................9A-56
A-5 Engine and A/C Control System Circuit 

Diagram (M16A)..............................................9A-57

A-5 Engine and A/C Control System Circuit 

Diagram (J20A) ...............................................9A-62

A-6 A/T Control System Circuit Diagram...........9A-67
A-7 Immobilizer System Circuit Diagram ..........9A-69
A-8 Body Control System Circuit Diagram ........9A-70
A-10 4WD Control System Circuit Diagram ......9A-75
B-1 Windshield Wiper and Washer Circuit 

Diagram...........................................................9A-77

B-2 Rear Wiper and Washer Circuit Diagram ...9A-78
B-3 Rear Defogger Circuit Diagram ..................9A-79
B-4 Power Window Circuit Diagram..................9A-80
B-5 Power Door Lock Circuit Diagram ..............9A-82
B-6 Power Mirror Circuit Diagram .....................9A-84
B-7 Horn Circuit Diagram ..................................9A-85
B-8 Seat Heater Circuit Diagram.......................9A-86
B-9 Keyless Start Circuit Diagram.....................9A-87
B-10 Sliding Roof Circuit Diagram ....................9A-88
B-11 Headlight Cleaner Circuit Diagram ...........9A-89
C-1 Combination Meter Circuit Diagram ...........9A-90
D-1 Headlight System Circuit Diagram (One 

bulb type) ........................................................9A-92

D-1 Headlight System Circuit Diagram (With 

Projector light) .................................................9A-93

D-1 Headlight System Circuit Diagram (With 

Discharge bulb) ...............................................9A-94

D-2 Position, Tail and Licence Plate Light 

System Circuit Diagram ..................................9A-95

D-3 Front Fog Light System Circuit Diagram ....9A-96
D-4 Illumination Light System Circuit Diagram ..9A-97
D-5 Interior Light System Circuit Diagram.........9A-98
D-6 Turn Signal and Hazard Warning Light 

System Circuit Diagram ..................................9A-99

D-7 Brake Light System Circuit Diagram ........9A-101
D-8 Back-Up Light System Circuit Diagram ....9A-102
D-9 Headlight Beam Leveling System Circuit 

Diagram (Manual Leveling) ...........................9A-103

D-9 Headlight Beam Leveling System Circuit 

Diagram (Auto Leveling) ...............................9A-104

D-10 Rear Fog Light Circuit Diagram..............9A-105
E-2 Auto A/C System Circuit Diagram ............9A-106
F-1 Air-Bag System Circuit Diagram (4ch)......9A-108

9-ii Table of Contents

F-1 Air-Bag System Circuit Diagram (8ch)......9A-109
F-2 Anti-Lock Brake System Circuit Diagram..9A-111
G-1 Audio System Circuit Diagram .................9A-113
G-2 Multi Information Display / Accessory 

Socket System Circuit Diagram ....................9A-114

G-4 Navigation System Circuit Diagram .........9A-115

List of Connector .............................................9A-116

List of Connectors ...........................................9A-116
B Connector ....................................................9A-116
C Connector ....................................................9A-116
E Connector ....................................................9A-118
F Connector ....................................................9A-120
G Connector....................................................9A-120
J Connector.....................................................9A-123
K Connector ....................................................9A-124
L Connector.....................................................9A-125
O Connector....................................................9A-127
Q Connector....................................................9A-127
R Connector ....................................................9A-127

Lighting Systems .................................... 9B-1

Precautions...........................................................9B-1

Precautions for Discharge Headlight Service 

(If Equipped) .....................................................9B-1

Precautions in Diagnosing Troubles (Vehicle 

Equipped with Auto Leveling Headlight 
System) .............................................................9B-1

General Description .............................................9B-2

Discharge Headlight Description (If 

Equipped)..........................................................9B-2

Auto Leveling Headlight System Description 

(If Equipped) .....................................................9B-3

Auto-On Headlight System Description (If 

Equipped)..........................................................9B-5

D.R.L. System Description (If Equipped) ............9B-6

Schematic and Routing Diagram........................9B-6

Headlight Auto Leveling System wiring Circuit 

Diagram ............................................................9B-6

Component Location ...........................................9B-7

Lighting System Components Location...............9B-7
Interior Light System Location.............................9B-8

Diagnostic Information and Procedures............9B-8

Self-Diagnosis Function for Auto Leveling 

Headlight System ..............................................9B-8

Headlight Leveling Warning Light Check ............9B-8
Headlight Symptom Diagnosis (Vehicle 

Equipped With Discharge Headlight) ................9B-9

Headlight Symptom diagnosis (Vehicle Not 

Equipped With Discharge Headlight) ................9B-9

Auto-On Headlight System Symptom 

Diagnosis (If Equipped)...................................9B-10

DRL System Symptom Diagnosis (If 

Equipped)........................................................9B-10

Headlight Auto Leveling System Symptom 

Diagnosis (If Equipped)...................................9B-11

Headlight Manual Leveling System Symptom 

Diagnosis (If Equipped)...................................9B-11

Turn Signal and Hazard Warning Light 

Symptom Diagnosis ........................................9B-11

Clearance, Tail and License Plate Light 

Symptom Diagnosis ........................................9B-12

Back-Up Light Symptom Diagnosis...................9B-12
Stop (Brake) Lamp Symptom Diagnosis ...........9B-13
Front Fog Light (If Equipped) Symptom 

Diagnosis ........................................................9B-13

Rear Fog Light Symptom Diagnosis (If 

Equipped)........................................................9B-13

Illumination Cancel System Symptom 

Diagnosis (If Equipped)...................................9B-13

Interior Light Symptom Diagnosis .....................9B-14
Auto-On Headlight Operation Inspection (If 

Equipped)........................................................9B-14

DRL Operation Inspection (If Equipped) ...........9B-14
Inspection of Headlight Leveling Control 

Module and Its Circuit (Vehicle Equipped 
With Auto Leveling Headlight System)............9B-15

Repair Instructions ............................................9B-17

Headlight Housing Removal and Installation ....9B-17
Headlight Bulb Replacement.............................9B-17
Ballast Removal and Installation .......................9B-18
Igniter Removal and Installation........................9B-19
Headlight Aiming Adjustment with Screen ........9B-19
Headlight Switch (in Lighting Switch) 

Removal and Installation.................................9B-21

Headlight Switch (in Lighting Switch) 

Inspection........................................................9B-21

Hazard Warning Switch Removal and 

Installation .......................................................9B-22

Hazard Warning Switch Inspection ...................9B-22
Stop (Brake) Lamp Switch Inspection ...............9B-22
Turn Signal Light Switch (in Lighting Switch) 

Removal and Installation.................................9B-23

Turn Signal Light Switch (in Lighting Switch) 

Inspection........................................................9B-23

Turn Signal and Hazard Warning Relay 

Removal and Installation.................................9B-23

Turn Signal and Hazard Warning Relay 

Inspection........................................................9B-23

License Lamp Assembly Removal and 

Installation .......................................................9B-24

Front Fog Light Assembly Removal and 

Installation (If Equipped) .................................9B-24

Front Fog Light Bulb Replacement (If 

Equipped)........................................................9B-24

Front Fog Light Switch Inspection (If 

Equipped)........................................................9B-25

Front Fog Light Relay Inspection (If 

Equipped)........................................................9B-25

Front Fog Light Aiming Adjustment with 

Screen (If Equipped) .......................................9B-25

Headlight Manual Leveling Switch (If 

Equipped) Inspection ......................................9B-26

Headlight Leveling Actuator Inspection (If 

Equipped)........................................................9B-27

Rear Fog Light Switch Inspection (If 

Equipped)........................................................9B-27

Height Sensor Removal and Installation (If 

Equipped)........................................................9B-28

Table of Contents 9-iii

Height Sensor and Its Circuit Inspection (If 

Equipped)........................................................ 9B-28

Leveling Control Module Removal and 

Installation (If Equipped) ................................. 9B-29

Initialization of Auto Leveling Headlight 

System ............................................................9B-29

Illumination Cancel Switch (If Equipped) 

Inspection........................................................ 9B-30

Auto-On Headlight Sensor Inspection (If 

Equipped)........................................................ 9B-30

Specifications.....................................................9B-30

Tightening Torque Specifications......................9B-30

Instrumentation / Driver Info. / Horn ...... 9C-1

Precautions...........................................................9C-1

Precautions in Diagnosing Troubles for 

Combination Meter............................................9C-1

General Description .............................................9C-1

CAN Communication Data of Combination 

Meter.................................................................9C-1

Schematic and Routing Diagram........................9C-2

Combination Meter Circuit Diagram ....................9C-2

Component Location ...........................................9C-3

Audio System Component Location....................9C-3

Diagnostic Information and Procedures............9C-4

Speedometer Symptom Diagnosis......................9C-4
Tacho meter Symptom Diagnosis.......................9C-4
Engine Coolant Temperature (ECT) Meter 

Symptom Diagnosis ..........................................9C-4

Fuel Meter Symptom Diagnosis..........................9C-4
Low Fuel Warning Light Symptom Diagnosis .....9C-5
Oil Pressure Warning Light Symptom 

Diagnosis ..........................................................9C-5

Brake and Parking Brake Warning Light 

Symptom Diagnosis ..........................................9C-6

Seat Belt Reminder Light Symptom Diagnosis 

(If Equipped) .....................................................9C-6

Illumination Indicator Symptom Diagnosis ..........9C-7
Headlight Auto Leveling Indicator Symptom 

Diagnosis (If Equipped).....................................9C-7

A/T Power Mode Indicator Symptom 

Diagnosis (A/T Model Only) ..............................9C-7

A/T Shift Position Indicator (A/T Model Only) 

Symptom Diagnosis ..........................................9C-8

Charge Warning Light Symptom Diagnosis ........9C-8
Main Beam (High Beam) Indicator Symptom 

Diagnosis ..........................................................9C-8

Warning Buzzer Circuit Symptom Diagnosis ......9C-9
Cigarette Lighter Symptom Diagnosis (If 

Equipped)..........................................................9C-9

Horn Symptom Diagnosis ...................................9C-9
Information Display Symptom Diagnosis (If 

Equipped)........................................................9C-10

Clock Symptom Diagnosis (If Equipped)...........9C-10
Audio System Symptom Diagnosis (If 

Equipped)........................................................9C-11

Remote Audio Control Switch Symptom 

Diagnosis (If Equipped)...................................9C-12

Navigation Symptom Diagnosis (If Equipped)...9C-12

Repair Instructions ............................................9C-12

Ignition Switch Removal and Installation...........9C-12
Ignition Switch Inspection..................................9C-13
Combination Meter Removal and Installation ...9C-13
Fuel Level Sensor Removal and Installation.....9C-14
Fuel Level Sensor Inspection............................9C-14
Oil Pressure Switch Removal and Installation ..9C-14
Oil Pressure Switch Inspection .........................9C-15
Engine Coolant Temperature (ECT) Sensor 

Inspection........................................................9C-15

Brake Fluid Level Switch Inspection .................9C-15
Parking Brake Switch Inspection.......................9C-15
Door Switch (Front / Rear / Rear End Door) 

Inspection........................................................9C-16

Outside Air Temperature Sensor Removal 

and Installation (If Equipped) ..........................9C-16

Outside Air Temperature Sensor Inspection 

(If Equipped)....................................................9C-16

Instrument Panel Removal and Installation.......9C-17
Information Display (Clock) Removal and 

Installation .......................................................9C-18

Audio Unit Removal and Installation .................9C-18
Front Speaker Removal and Installation ...........9C-19
Rear Speaker Removal and Installation (5 

Door Model) ....................................................9C-19

Rear Speaker Removal and Installation (3 

Door Model) ....................................................9C-19

GPS Antenna Removal and Installation (If 

Equipped)........................................................9C-20

Horn Removal and Installation ..........................9C-20
Horn Inspection .................................................9C-20
Horn Relay Inspection.......................................9C-20
Antenna Base Removal and Installation ...........9C-21
Remote Audio Control Switch Removal and 

Installation .......................................................9C-21

Remote Audio Control Switch Inspection..........9C-22

Specifications.....................................................9C-22

Tightening Torque Specifications......................9C-22

Wipers / Washers..................................... 9D-1

Diagnostic Information and Procedures............9D-1

Front Wiper and Washer Symptom Diagnosis ....9D-1
Rear Wiper and Washer Symptom Diagnosis 

(If Equipped)......................................................9D-1

Headlight Washer Symptom Diagnosis (If 

Equipped)..........................................................9D-2

Headlight Washer Operation Inspection .............9D-2
Inspection of Headlight Washer Control 

Module and Its Circuit .......................................9D-3

Repair Instructions ..............................................9D-4

Wipers and Washers Components .....................9D-4
Washer Tank and Washer Pump Removal 

and Installation ..................................................9D-5

Washer Pump Inspection ....................................9D-5
Windshield Wiper Removal and Installation........9D-6
Windshield Wiper Motor Inspection.....................9D-7
Rear Wiper Removal and Installation (If 

Equipped)..........................................................9D-8

Rear Wiper Motor Inspection (If Equipped).........9D-9