Suzuki Grand Vitara JB416 / JB420 / JB419. Manual - part 521

9M-2 Exterior Trim: 

Roof Rail Removal and Installation (If Equipped)

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1. Roof rail

 3. Roof drip molding clip (Push-in type)

5. Roof rail bolt

2. Roof drip front molding

4. Roof rail cap

*: 5 door model only

Exterior Trim:  9M-3

Splash Guard Removal and Installation (If Equipped)

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1. Side sill splash guard

3. Rear door splash guard

*: 3 door model only

2. Front door splash guard

4. Cap

**: 5 door model only

9M-4 Exterior Trim: 

Table of Contents 10- i

10

Section 10

CONTENTS

Control Systems

Precautions ...............................................10-1

Precautions........................................................... 10-1

Precautions for Control Systems......................... 10-1

Cruise Control System.......................... 10A-1

General Description ...........................................10A-1

Cruise Control System Construction ................. 10A-1
Components and Functions of Cruise Control 

System ............................................................10A-2

Cancel Conditions of Cruise Control System .... 10A-3

Schematic and Routing Diagram......................10A-3

Cruise Control System Input / Output Diagram ..10A-3
Cruise Control System Wiring Diagram ............10A-4

Diagnostic Information and Procedures..........10A-6

Cruise Control System Symptom Diagnosis .....10A-6
Inspection of Cruise Control System Circuit......10A-7

Repair Instructions ............................................10A-8

Cruise Control Switch Removal and 

Installation.......................................................10A-8

Cruise Control Switch Inspection ......................10A-8
CPP Switch (for Cruise Control) Removal and 

Installation.......................................................10A-8

Clutch Pedal Position (CPP) Switch (for 

Cruise Control) Inspection and Adjustment .... 10A-9

Brake Light Switch Removal and Installation .... 10A-9
Brake Light Switch Inspection........................... 10A-9
ECM Removal and Installation..........................10A-9

Specifications.....................................................10A-9

Tightening Torque Specifications......................10A-9

Body Electrical Control System ........... 10B-1

Precautions.........................................................10B-1

Precautions in Diagnosing Trouble ...................10B-1

General Description ...........................................10B-1

BCM General Description ................................. 10B-1
CAN Communication System Description.........10B-2
Theft Deterrent Light Description ......................10B-3

Schematic and Routing Diagram......................10B-4

Body Electrical Control System Wiring Circuit 

Diagram ..........................................................10B-4

Connector Layout Diagram of BCM ..................10B-5

Component Location .........................................10B-6

BCM and Related System Component 

Location ..........................................................10B-6

Diagnostic Information and Procedures..........10B-7

BCM Self-Diagnosis Function ...........................10B-7
Body Electrical Control System Check..............10B-9
Scan Tool Data ...............................................10B-11
DTC Table.......................................................10B-13
DTC Check......................................................10B-14
DTC Clearance ...............................................10B-16
BCM Power Circuit and Ground Circuit Check 10B-17
DTC B1133 (No. 1133): Battery Voltage Too 

High...............................................................10B-18

DTC B1141 / B1142 (No. 1141 / No. 1142): 

Outside Air Temperature (Ambient Temp.) 
Sensor Circuit Malfunction ............................10B-19

DTC B1150 (No. 1150): Air Bag 

Communication Circuit Malfunction...............10B-20

DTC B1157 (No. 1157) Air Bag Deployment 

Signal Input ...................................................10B-21

DTC B1170 (No. 1170): EEPROM Access 

Error ..............................................................10B-21

DTC U0155 (No. 0155): Lost Communication 

with Instrument Panel Cluster (IPC) Control 
Module ..........................................................10B-22

DTC U1073 (No. 1073): Control Module 

Communication Bus Off ................................10B-24

DTC U1100 (No. 1100): Lost Communication 

with ECM (Petrol Engine Model) ...................10B-26

DTC U1100 (No. 1100): Lost Communication 

with ECM (Diesel Engine Model) ..................10B-27

DTC U1101 (No. 1101): Lost communication 

with TCM .......................................................10B-29

DTC U1144 (No. 1144): Lost Communication 

with Keyless Start Control Module ................10B-31

Inspection of BCM and Its Circuits ..................10B-33

Repair Instructions ..........................................10B-39

BCM Removal and Installation........................10B-39
Outside Air Temperature Sensor Removal 

and Installation ..............................................10B-39

Outside Air Temperature Sensor Inspection ...10B-39
DRL Function Setting Procedure ....................10B-40

Special Tools and Equipment .........................10B-40

Special Tool ....................................................10B-40

Immobilizer Control System ................. 10C-1

For Petrol Engine Model .......................................10C-1

Precautions.........................................................10C-1