Suzuki Grand Vitara JB416 / JB420 / JB419. Service manual - part 435

8B-125 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

General Description .............................................9A-1

Abbreviations ...................................................... 9A-1
Wire / Connector Color Symbols......................... 9A-1
Symbols and Marks ............................................ 9A-2
How to Read Connector Layout Diagram ........... 9A-4
How to Read Connector Codes and Terminal 

Nos.................................................................... 9A-5

How to Read Ground Point ................................. 9A-8
How to Read Power Supply Diagram.................. 9A-9
How to Read System Circuit Diagram...............9A-10

Connector Layout Diagram ...............................9A-11

Connector Layout Diagram ...............................9A-11
Engine Compartment ........................................ 9A-12
Instrument Panel...............................................9A-34
Door, Roof.........................................................9A-42
Floor.................................................................. 9A-46
Rear .................................................................. 9A-54

Ground Point ......................................................9A-55

Ground (earth) Point .........................................9A-55

Power Supply Diagram ......................................9A-57

Power Supply Diagram ..................................... 9A-57
Fuses and the Protected Parts .........................9A-60
Fuses in Battery Fuse Box, Fuse Box No.1 

(Petrol) ............................................................9A-60

Fuses in Battery Fuse Box, Fuse Box No.1 

(DSL)............................................................... 9A-61

Fuse Box No.2 (In Power Integration No.1, 

Power Integration No.2), Relay Box (Petrol)...9A-62

Fuse Box No.2 (In Power Integration No.1, 

Power Integration No.2), Relay Box No.1, 
Relay Box No.2 (DSL)..................................... 9A-64

Fuse Box No.3 (In J/B)......................................9A-66
Junction Block (J/B) Connector / Fuse Layout ..9A-68
Junction Block Inner Circuit (Overview) ............9A-68
Junction Block Inner Circuit (Detail) ..................9A-70

System Circuit Diagram.....................................9A-74

System Circuit Diagram ....................................9A-74
A-1 Cranking System Circuit Diagram ..............9A-75
A-2 Charging System Circuit Diagram ..............9A-76
A-3 Ignition System Circuit Diagram (M16A) ....9A-77
A-3 Ignition System Circuit Diagram (J20A)......9A-78
A-3 Ignition System Circuit Diagram (H27A).....9A-79
A-4 Cooling System Circuit Diagram (Petrol)....9A-81
A-4 Cooling System Circuit Diagram (DSL) ......9A-82
A-5 Engine and A/C Control System Circuit 

Diagram (M16A)..............................................9A-83

A-5 Engine and A/C Control System Circuit 

Diagram (J20A) ...............................................9A-88

A-5 Engine and A/C Control System Circuit 

Diagram (H27A) ..............................................9A-93

A-5 Engine and A/C Control System Circuit 

Diagram (DSL) ................................................9A-98

A-6 A/T Control System Circuit Diagram.........9A-103
A-7 Immobilizer System Circuit Diagram ........9A-106
A-8 Body Control System Circuit Diagram ......9A-107
A-10 4WD Control System Circuit Diagram ....9A-112
B-1 Windshield Wiper and Washer Circuit 

Diagram.........................................................9A-114

B-2 Rear Wiper and Washer Circuit Diagram .9A-115
B-3 Rear Defogger Circuit Diagram ................9A-116
B-4 Power Window Circuit Diagram................9A-117
B-5 Power Door Lock Circuit Diagram ............9A-119
B-6 Power Mirror Circuit Diagram ...................9A-121
B-7 Horn Circuit Diagram ................................9A-122
B-8 Seat Heater Circuit Diagram.....................9A-123
B-9 Keyless Start System Circuit Diagram......9A-124
B-10 Sliding Roof Circuit Diagram ..................9A-125
B-11 Headlight Cleaner Circuit Diagram .........9A-126
C-1 Combination Meter Circuit Diagram .........9A-127
D-1 Headlight System Circuit Diagram (One 

bulb type) ......................................................9A-129

D-1 Headlight System Circuit Diagram (With 

Projector light) ...............................................9A-130

D-1 Headlight System Circuit Diagram (With 

Discharge bulb) .............................................9A-131

D-2 Position, Tail and Licence Plate Light 

System Circuit Diagram ................................9A-132

D-3 Front Fog Light System Circuit Diagram ..9A-133
D-4 Illumination Light System Circuit Diagram 9A-134
D-5 Interior Light System Circuit Diagram.......9A-135

9-ii Table of Contents

D-6 Turn Signal and Hazard Warning Light 

System Circuit Diagram ................................9A-136

D-7 Brake Light System Circuit Diagram ........9A-138
D-8 Back-Up Light System Circuit Diagram ....9A-139
D-9 Headlight Beam Leveling System Circuit 

Diagram (Manual Leveling) ...........................9A-140

D-9 Headlight Beam Leveling System Circuit 

Diagram (Auto Leveling) ...............................9A-141

D-10 Rear Fog Light Circuit Diagram..............9A-142
E-2 Auto A/C System Circuit Diagram ............9A-143
F-1 Air-Bag System Circuit Diagram (4ch)......9A-145
F-1 Air-Bag System Circuit Diagram (8ch)......9A-146
F-2 Anti-Lock Brake System Circuit Diagram..9A-148
F-3 Electronic Stability Program System 

Circuit Diagram .............................................9A-150

G-1 Audio System Circuit Diagram .................9A-152
G-2 Multi Information Display / Accessory 

Socket System Circuit Diagram ....................9A-154

G-4 Navigation System Circuit Diagram .........9A-155

List of Connector .............................................9A-155

List of Connectors ...........................................9A-155
B Connector ....................................................9A-155
C Connector ....................................................9A-156
D Connector ....................................................9A-158
E Connector ....................................................9A-159
F Connector ....................................................9A-161
G Connector....................................................9A-162
J Connector.....................................................9A-164
K Connector ....................................................9A-166
L Connector.....................................................9A-166
O Connector....................................................9A-168
Q Connector....................................................9A-169
R Connector ....................................................9A-169

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-12

Clearance, Tail and License Plate Light 

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

Back-Up Light Symptom Diagnosis...................9B-13
Brake Light Symptom Diagnosis .......................9B-13
Front Fog Light Symptom Diagnosis (If 

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

Rear Fog Light Symptom Diagnosis (If 

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

Illumination Control System Symptom 

Diagnosis (If Equipped)...................................9B-14

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

Equipped)........................................................9B-15

DRL Operation Inspection (If Equipped) ...........9B-15
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-19
Igniter Removal and Installation........................9B-19
Headlight Aiming Adjustment with Screen ........9B-20
Headlight Switch (in Lighting Switch) 

Removal and Installation.................................9B-22

Headlight Switch (in Lighting Switch) 

Inspection........................................................9B-22

Tail Light Relay, Headlight Relay Inspection.....9B-23
Hazard Warning Switch Removal and 

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

Hazard Warning Switch Inspection ...................9B-24
Brake Light Switch Inspection ...........................9B-24
Turn Signal Light Switch (in Lighting Switch) 

Removal and Installation.................................9B-24

Turn Signal Light Switch (in Lighting Switch) 

Inspection........................................................9B-25

Turn Signal and Hazard Warning Relay 

Removal and Installation.................................9B-25

Turn Signal and Hazard Warning Relay 

Inspection........................................................9B-25

License Light Assembly Removal and 

Installation .......................................................9B-26

Front Fog Light Assembly Removal and 

Installation (If Equipped) .................................9B-26

Front Fog Light Bulb Replacement (If 

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

Table of Contents 9-iii

Front Fog Light Switch Inspection (If 

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

Front Fog Light Relay Inspection (If 

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

Front Fog Light Aiming Adjustment with 

Screen (If Equipped) ....................................... 9B-28

Headlight Manual Leveling Switch Inspection 

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

Headlight Leveling Actuator Inspection (If 

Equipped)........................................................ 9B-29

Rear Fog Light Switch Inspection (If 

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

Height Sensor Removal and Installation (If 

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

Height Sensor and Its Circuit Inspection (If 

Equipped)........................................................ 9B-31

Headlight Leveling Control Module Removal 

and Installation (If Equipped) ..........................9B-32

Initialization of Auto Leveling Headlight 

System ............................................................9B-32

Auto-On Headlight Sensor Inspection (If 

Equipped)........................................................ 9B-33

Specifications.....................................................9B-33

Tightening Torque Specifications......................9B-33

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

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

Precautions in Diagnosing Troubles for 

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

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

CAN Communication System Description...........9C-1
Auto Volume Control System Description (If 

Equipped)..........................................................9C-3

Schematic and Routing Diagram........................9C-4

Combination Meter Circuit Diagram ....................9C-4

Component Location ...........................................9C-5

Audio System Component Location....................9C-5

Diagnostic Information and Procedures............9C-6

Speedometer Symptom Diagnosis......................9C-6
Tachometer Symptom Diagnosis ........................9C-6
Engine Coolant Temperature (ECT) Meter 

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

Fuel Meter Symptom Diagnosis..........................9C-7
Low Fuel Warning Light Symptom Diagnosis .....9C-7
Oil Pressure Warning Light Symptom 

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

Brake and Parking Brake Warning Light 

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

Seat Belt Reminder Light Symptom Diagnosis 

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

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

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

A/T Power Mode Indicator Symptom 

Diagnosis (A/T Model) ....................................9C-10

A/T Shift Position Indicator Symptom 

Diagnosis (A/T Model) ....................................9C-10

Charge Warning Light Symptom Diagnosis ......9C-11

Main Beam (High Beam) Indicator Symptom 

Diagnosis ........................................................9C-11

Warning Buzzer Circuit Symptom Diagnosis ....9C-12
Cigarette Lighter Symptom Diagnosis (If 

Equipped)........................................................9C-12

Horn Symptom Diagnosis .................................9C-12
Information Display Symptom Diagnosis (If 

Equipped)........................................................9C-13

Clock Symptom Diagnosis (If Equipped)...........9C-14
Audio System Symptom Diagnosis (If 

Equipped)........................................................9C-14

Remote Audio Control Switch Symptom 

Diagnosis (If Equipped)...................................9C-15

Navigation Symptom Diagnosis (If Equipped)...9C-16

Repair Instructions ............................................9C-16

Ignition Switch Removal and Installation...........9C-16
Ignition Switch Inspection..................................9C-16
Combination Meter Removal and Installation ...9C-17
Fuel Level Sensor Removal and Installation.....9C-17
Fuel Level Sensor Inspection............................9C-17
Oil Pressure Switch Removal and Installation ..9C-18
Oil Pressure Switch Inspection .........................9C-18
Engine Coolant Temperature (ECT) Sensor 

Inspection........................................................9C-18

Brake Fluid Level Switch Inspection .................9C-19
Parking Brake Switch Inspection.......................9C-19
Door Switch (Front / Rear / Rear End Door) 

Inspection........................................................9C-19

Outside Air Temperature Sensor Removal 

and Installation (If Equipped) ..........................9C-19

Outside Air Temperature Sensor Inspection 

(If Equipped)....................................................9C-20

Instrument Panel Removal and Installation.......9C-20
Information Display (Clock) Removal and 

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

Audio Unit Removal and Installation .................9C-22
Front Speaker Removal and Installation ...........9C-22
Rear Speaker Removal and Installation (5 

Door Model) ....................................................9C-22

Rear Speaker Removal and Installation (3 

Door Model) ....................................................9C-23

GPS Antenna Removal and Installation (If 

Equipped)........................................................9C-23

Horn Removal and Installation ..........................9C-23
Horn Inspection .................................................9C-24
Horn Relay Inspection.......................................9C-24
Antenna Base Removal and Installation ...........9C-24
Remote Audio Control Switch Removal and 

Installation (If Equipped) .................................9C-25

Remote Audio Control Switch Inspection (If 

Equipped)........................................................9C-25

Vehicle Speed Signal Inspection (For Audio 

Unit) (If Equipped) ...........................................9C-25

Specifications.....................................................9C-26

Tightening Torque Specifications......................9C-26

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

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

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