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