Suzuki Grand Vitara JB416 / JB420 (ESP model). Service manual - part 88

 

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Suzuki Grand Vitara JB416 / JB420 (ESP model). Service manual - part 88

 

 

6B-4 Steering Wheel and Column: 

3) Connect all connectors that have been removed in 

“Removal”.

4) Install steering column upper cover (2) and lower 

cover (3), and then tighten steering column cover 
screws (1).

CAUTION

!

 

When installing lower cover (3) and upper 
cover (2), be careful so that each lead wire is 
not caught between covers.

 

5) Install steering column hole cover (1).

6) Install steering wheel to steering column. Refer to 

“Steering Wheel Removal and Installation in related 
manual”.

Steering Angle Sensor Removal and Installation

S5JB0E6206014

Removal

1) Remove steering wheel and contact coil cable 

assembly. Refer to “Steering Wheel Removal and 
Installation in related manual” and “Contact Coil 
Cable Assembly Removal and Installation”.

2) Remove steering angle sensor (2) from contact coil 

cable assembly (3) while opening fitting parts (1) of 
contact coil cable assembly.

Installation

1) Install steering angle sensor (2) by fitting 

engagement parts (1) of contact coil cable assembly 
to claws of steering angle sensor as shown in figure.

2) Install contact coil cable assembly and steering 

wheel. Refer to “Contact Coil Cable Assembly 
Removal and Installation”
 and “Steering Wheel 
Removal and Installation in related manual”.

Specifications

Tightening Torque Specifications

S5JB0E6207001

NOTE
The specified tightening torque is also described in the following.
“Steering Wheel and Column Construction”

 

Reference:
For the tightening torque of fastener not specified in this section, refer to “Fastener Information in Section 0A in related 
manual”.

*: Standard screw

**: Tapping screw

1*

3

1**

2

I5JB0A620015-01

1

I5JB0A620011-01

1

1

2

3

I6JB01620003-01

1

1

2

I6JB01620004-01

Table of Contents 7- i

7

Section 7

CONTENTS

HVAC

Precautions ................................................. 7-*

Precautions.............................................................. 7-*

Precautions for HVAC............................................ 7-*

Heater and Ventilation............................. 7A-1

General Description ............................................. 7A-*

Heater and Ventilation Construction ....................7A-*
Body Ventilation Construction..............................7A-*
On-Board Diagnostic System Description (for 

Vehicle without A/C)...........................................7A-*

HVAC Control System Description (for 

Vehicle without A/C)...........................................7A-*

Schematic and Routing Diagram........................7A-1

Heater and Ventilation Wiring Circuit Diagram .... 7A-1

Electronic Control Input / Output Diagram(for 

Vehicle without A/C)...........................................7A-*

Component Location ........................................... 7A-*

Electronic Components Location for Heater 

(for Vehicle without A/C) ....................................7A-*

Diagnostic Information and Procedures............ 7A-*

Heater and Ventilation System Check .................7A-*
Visual Inspection..................................................7A-*
DTC Check ..........................................................7A-*
DTC Clearance ....................................................7A-*
DTC Table............................................................7A-*
Fail-Safe Table.....................................................7A-*
Scan Tool Data ....................................................7A-*
Heater and Ventilation Symptom Diagnosis.........7A-*

Repair Instructions .............................................. 7A-*

Blower Unit and Heater Unit Components ...........7A-*
HVAC Unit Removal and Installation (for 

Vehicle without A/C)...........................................7A-*

HVAC Air Filter Removal and Installation (for 

Vehicle without A/C)...........................................7A-*

HVAC Air Filter Inspection (for Vehicle without 

A/C)....................................................................7A-*

Blower Motor Removal and Installation................7A-*
Blower Motor Inspection ......................................7A-*
Blower Motor Controller Removal and 

Installation..........................................................7A-*

Blower Motor Controller Inspection ......................7A-*
Blower Motor Relay Inspection ............................7A-*
Heater Core Removal and Installation .................7A-*

HVAC Control Module Removal and 

Installation ......................................................... 7A-*

HVAC Control Module and Its Circuits 

Inspection (for Vehicle without A/C) .................. 7A-*

Air Flow Control Actuator Removal and 

Installation ......................................................... 7A-*

Air Flow Control Actuator Inspection................... 7A-*
Temperature Control Actuator Removal and 

Installation ......................................................... 7A-*

Temperature Control Actuator Inspection ........... 7A-*
Air Intake Control Actuator Removal and 

Installation ......................................................... 7A-*

Air Intake Control Actuator Inspection................. 7A-*
Actuator Linkage Inspection................................ 7A-*
Center Ventilation Louver Removal and 

Installation ......................................................... 7A-*

Side Ventilation Louver Removal and 

Installation ......................................................... 7A-*

Rear Duct Components....................................... 7A-*
Rear Duct Removal and Installation.................... 7A-*

Air Conditioning System......................... 7B-1

Precautions........................................................... 7B-*

A/C System Caution............................................ 7B-*
Precautions on Servicing A/C System ................ 7B-*
Precautions in Diagnosing Trouble ..................... 7B-*
Precautions on Handling Refrigerant HFC-

134a (R-134a) ................................................... 7B-*

Precautions on Servicing Refrigerant Line.......... 7B-*
Precautions on Refrigerant Recovery ................. 7B-*
Precautions on Refrigerant Charge..................... 7B-*
Precautions on Replenishing Compressor Oil .... 7B-*
Precautions on Servicing Compressor 

Assembly........................................................... 7B-*

General Description ............................................. 7B-*

AUTO A/C System Description ........................... 7B-*
HVAC Control System Description...................... 7B-*
HVAC Control Module Operation Description ..... 7B-*
A/C Refrigerant Type Description ....................... 7B-*
Sub-Cool A/C System Description ...................... 7B-*
A/C Evaporator Temperature Sensor 

Description ........................................................ 7B-*

On-Board Diagnostic System Description........... 7B-*

Schematic and Routing Diagram........................7B-1

Air Flow Diagram of A/C System......................... 7B-*

NOTE
For the items with asterisk (*) in the “CONTENTS” below, refer to the same section of the service manual 
mentioned in the “FOREWORD” of this manual.

7-ii Table of Contents

Auto A/C Electronic Control Input / Output 

Diagram ............................................................7B-1

A/C System Wiring Circuit Diagram ....................7B-2

Component Location ........................................... 7B-*

A/C Control System Components Location......... 7B-*

Diagnostic Information and Procedures............7B-3

Air Conditioning System Check........................... 7B-*
DTC Check.......................................................... 7B-*
DTC Clearance ................................................... 7B-*
DTC Table........................................................... 7B-*
Fail-Safe Table.................................................... 7B-*
Scan Tool Data ................................................... 7B-*
Visual Inspection ................................................. 7B-*
A/C System Performance Inspection .................. 7B-*
A/C System Symptom Diagnosis ........................ 7B-*
Abnormal Noise Diagnosis.................................. 7B-*
Abnormal Noise Symptom Diagnosis of A/C 

System .............................................................. 7B-*

DTC B1502: Inside Air Temperature Sensor 

and/or Its Circuit Malfunction ............................ 7B-*

DTC B1503: A/C Evaporator Air Temperature 

Sensor and/or Its Circuit Malfunction ................ 7B-*

DTC B1504: Sunload Sensor and/or Its 

Circuit Malfunction ............................................ 7B-*

DTC B1511: Temperature Control Actuator 

(Position Sensor) and/or Its Circuit 
Malfunction........................................................ 7B-*

DTC B1512: Air Flow Control Actuator 

(Position Sensor) and/or Its Circuit 
Malfunction........................................................ 7B-*

DTC B1513: Temperature Control Actuator 

and/or Its Circuit Malfunction ............................ 7B-*

DTC B1514: Air Flow Control Actuator and/or 

Its Circuit Malfunction........................................ 7B-*

DTC B1520: Temperature Selector and/or Its 

Circuit Malfunction ............................................ 7B-*

DTC B1521: Blower Speed Selector and/or Its 

Circuit Malfunction ............................................ 7B-*

DTC B1530: Air Intake Control Actuator 

(Position Sensor) and/or Its Circuit 
Malfunction........................................................ 7B-*

DTC B1531: Air Intake Control Actuator and/

or Its Circuit Malfunction ................................... 7B-*

DTC B1546: A/C Refrigerant Pressure 

Malfunction........................................................ 7B-*

DTC B1551: Serial Communication Circuit 

Malfunction........................................................ 7B-*

DTC B1552: Serial Communication Circuit 

Malfunction........................................................ 7B-*

DTC B1553: CAN Communication Circuit 

Malfunction........................................................7B-3

DTC B1556: Camshaft Position (CMP) 

Sensor and/or Its Circuit Malfunction ................7B-4

DTC B1557: Wheel Speed Sensor and/or Its 

Circuit Malfunction ............................................7B-4

DTC B1561: Engine Coolant Temperature 

Sensor and/or Its Circuit Malfunction ................ 7B-*

DTC B1562: Outside Air Temperature Sensor 

and/or Its Circuit Malfunction ............................ 7B-*

DTC B1563: A/C Refrigerant Pressure 

Sensor and/or Its Circuit Malfunction ................ 7B-*

HVAC Control Module and Its Circuits 

Inspection.......................................................... 7B-*

A/C System Inspection at ECM...........................7B-4

Repair Instructions ..............................................7B-5

Operation Procedure for Charging A/C with 

Refrigerant ........................................................7B-5

A/C Condenser Assembly On-Vehicle 

Inspection.......................................................... 7B-*

A/C Condenser Assembly Removal and 

Installation ......................................................... 7B-*

Desiccant Removal and Installation .................... 7B-*
HVAC Air Filter Removal and Installation ........... 7B-*
HVAC Air Filter Inspection .................................. 7B-*
HVAC Unit Components ..................................... 7B-*
HVAC Unit Removal and Installation .................. 7B-*
A/C Evaporator Removal and Installation ........... 7B-*
A/C Evaporator Inspection .................................. 7B-*
A/C Evaporator Temperature Sensor 

Removal and Installation................................... 7B-*

A/C Evaporator Temperature Sensor 

Inspection.......................................................... 7B-*

Expansion Valve On-Vehicle Inspection ............. 7B-*
Expansion Valve Removal and Installation ......... 7B-*
A/C Refrigerant Pressure Sensor and Its 

Circuit Inspection............................................... 7B-*

A/C Refrigerant Pressure Sensor Removal 

and Installation .................................................. 7B-*

Sunload Sensor Removal and Installation .......... 7B-*
Sunload Sensor Inspection ................................. 7B-*
Inside Air Temperature Sensor Removal and 

Installation ......................................................... 7B-*

Inside Air Temperature Sensor Inspection.......... 7B-*
Outside Air Temperature Sensor Removal 

and Installation .................................................. 7B-*

Outside Air Temperature Sensor Inspection ....... 7B-*
Air Flow Control Actuator Removal and 

Installation ......................................................... 7B-*

Air Flow Control Actuator Inspection................... 7B-*
Air Intake Control Actuator Removal and 

Installation ......................................................... 7B-*

Air Intake Control Actuator Inspection................. 7B-*
Temperature Control Actuator Removal and 

Installation ......................................................... 7B-*

Temperature Control Actuator Inspection ........... 7B-*
HVAC Control Module Removal and 

Installation ......................................................... 7B-*

A/C Compressor Drive Belt Inspection and 

Adjustment ........................................................ 7B-*

A/C Compressor Drive Belt Removal and 

Installation ......................................................... 7B-*

A/C Compressor Relay Inspection ...................... 7B-*
Compressor Assembly On-Vehicle Inspection .... 7B-*
Compressor Assembly Removal and 

Installation for M16 Engine Model..................... 7B-*

Compressor Assembly Removal and 

Installation for J20 Engine Model ...................... 7B-*

Magnet Clutch Components for M16 Engine 

Model ................................................................ 7B-*

Table of Contents 7-iii

Magnet Clutch Components for J20 Engine 

Model .................................................................7B-*

Magnet Clutch Operating Check for M16 

Engine Model .....................................................7B-*

Magnet Clutch Operating Check for J20 

Engine Model .....................................................7B-*

Magnet Clutch Removal and Installation for 

M16 Engine Model .............................................7B-*

Magnet Clutch Removal and Installation for 

J20 Engine Model ..............................................7B-*

Thermal Switch On-Vehicle Inspection for 

M16 Engine Model .............................................7B-*

Thermal Switch Removal and Installation for 

M16 Engine Model ............................................ 7B-*

Relief Valve On-Vehicle Inspection for M16 

Engine Model ....................................................7B-9

Relief Valve On-Vehicle Inspection For J20 

Engine Model ..................................................7B-10

Relief Valve Removal and Installation for M16 

Engine Model .................................................... 7B-*

Specifications....................................................... 7B-*

Tightening Torque Specifications........................ 7B-*

Special Tools and Equipment ...........................7B-10

Special Tool ......................................................7B-10

 

 

 

 

 

 

 

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