Suzuki Grand Vitara JB419. Service manual - part 103

 

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Suzuki Grand Vitara JB419. Service manual - part 103

 

 

Electronic Stability Program:  4F-45

Repair Instructions

Hydraulic Unit Operation Check

S5JB0B4606025

Refer to “Hydraulic Unit Operation Check in Section 4E”.

Sensor Calibration

S5JB0B4606087

CAUTION

!

 

If any DTC(s) other than C1075, C1076, C1077 
or C1078 are detected. Repair the detected 
DTC first.

 

NOTE
Steering angle sensor calibration is needed 
when battery, dome fuse or the steering 
angle sensor is removed.
This sensor calibration can be done with/
without SUZUKI Scan Tool.
When ESP

® control module and/or yaw rate / 

G sensor assembly is removed, sensor 
calibration is needed with SUZUKI Scan Tool.

 

Sensor Calibration (Using SUZUKI Scan Tool)

1) Set steering wheel in straight-ahead position.
2) Connect SUZUKI scan tool to data link connector 

(DLC) (1) with ignition switch OFF.

Special tool
(A):  SUZUKI scan tool 

6

CAN communication circuit check
1) Disconnect connectors of all control modules 

communicating by means of CAN.

Is each CAN communication circuit between disconnected 
control modules (other than ESP

®

 control module and BCM) 

opened, shorted or high resistance?

Repair or replace the 
CAN communication 
line.

Go to Step 7.

7

DTC check for ESP

®

1) Connect connectors of disconnected control modules 

communicating by means of CAN.

2) Disconnect each connector and check DTC for ESP

® in 

turn.
• ECM
• BCM
• 4WD control module
• Immobilizer control module (ICM) (if equipped)
• Combination meter
• Steering angle sensor

Is DTC U1139 detected?

Check ESP

® control 

module power and 
ground circuit. If circuits 
are OK, substitute a 
known-good ESP

® 

hydraulic unit / control 
module assembly and 
recheck.

Check applicable 
control module power 
and ground circuit. If 
circuit is OK, substitute 
a known-good 
applicable control 
module and recheck.

Step

Action

Yes

No

(A)

1

I5JB0A450008-01

4F-46 Electronic Stability Program: 

3) Turn ignition switch to ON position and confirm that 

only any of DTC(s) C1075, C1076, C1077 and/or 
C1078 is detected. If any other DTC are detected, 
repair the detected DTC.

4) Park and level the vehicle with parking brake, stop 

engine with ignition switch ON, set steering in 
straight and without stepping on the brake.

CAUTION

!

 

Hold the above condition in Step 4) to 
calibrate sensor correctly until sensor 
calibration completed.

 

5) Select menu “SENSOR CALIBRATION” under 

“MISC. TEST” mode of SUZUKI scan tool and 
calibrate sensor. Refer to scan tool operator's 
manual for further derails.

6) After completing the calibration, turn ignition switch 

to OFF position and disconnect SUZUKI scan tool 
from DLC.

Steering Angle Sensor Calibration (Not Using 
SUZUKI Scan Tool)

CAUTION

!

 

When power is not supplied to the steering 
angle sensor by removing battery or fuse, 
steering angle sensor should be calibrated.

 

1) Set steering wheel in straight-ahead position.
2) Connect battery terminals and/or fuse and start 

engine.

CAUTION

!

 

When power is not supplied to the steering 
angle sensor by removing battery or fuse, 
DTC C1075 is detected and SLIP indicator 
lamp (1) flashes.
If DTC other than C1075 is detected, SLIP 
indicator lamp flushes and other indicator 
illuminate. In that case, repair the detected 
DTC first.

 

3) Drive vehicle straight on level ground at 15 km/h (9.5 

mph) or above for few seconds without spinning 
wheels. And confirm that SLIP indicator lamp is OFF.

ESP

® Hydraulic Unit / Control Module 

Assembly On-Vehicle Inspection

S5JB0B4606089

Refer to “ABS (ESP

®) Hydraulic Unit / Control Module 

Assembly On-Vehicle Inspection in Section 4E”.

ESP

® Hydraulic Unit / Control Module 

Assembly Removal and Installation

S5JB0B4606090

Refer to “ABS (ESP

®) Hydraulic Unit / Control Module 

Assembly Removal and Installation in Section 4E”.

Front Wheel Speed Sensor On-Vehicle 
Inspection

S5JB0B4606091

Refer to “Front Wheel Speed Sensor On-Vehicle 
Inspection in Section 4E in related manual”.

Front Wheel Speed Sensor Removal and 
Installation

S5JB0B4606092

Refer to “Rear Wheel Speed Sensor Removal and 
Installation in Section 4E in related manual”.

Front Wheel Speed Sensor Inspection

S5JB0B4606093

Refer to “Rear Wheel Speed Sensor Inspection in 
Section 4E in related manual”.

Rear Wheel Speed Sensor On-Vehicle 
Inspection

S5JB0B4606094

Refer to “Front Wheel Speed Sensor On-Vehicle 
Inspection” sin
ce rear wheel speed sensor is the same 
as front wheel speed sensor.

Rear Wheel Speed Sensor Removal and 
Installation

S5JB0B4606095

Refer to “Rear Wheel Speed Sensor Removal and 
Installation in Section 4E in related manual”.

Rear Wheel Speed Sensor Inspection

S5JB0B4606096

Refer to “Rear Wheel Speed Sensor Inspection” since 
rear wheel speed sensor is the same as front wheel 
speed sensor.

Front Wheel Encoder On-Vehicle Inspection

S5JB0B4606097

Refer to “Front Wheel Encoder On-Vehicle Inspection in 
Section 4E in related manual”.

1

I6JB01460024-02

Electronic Stability Program:  4F-47

Front Wheel Encoder Removal and Installation

S5JB0B4606098

CAUTION

!

 

Front wheel encoder is included in front 
wheel hub assembly. If front wheel encoder 
needs to replaced, replace it as a front wheel 
hub assembly.

 

For removal and installation of front wheel hub 
assembly, referring to “Front Wheel Hub Assembly 
Removal and Installation in Section 2B in related 
manual”.

Rear Wheel Encoder On-Vehicle Inspection

S5JB0B4606099

Refer to “Front Wheel Encoder On-Vehicle Inspection in 
Section 4E in related manual”.

Rear Wheel Encoder Removal and Installation

S5JB0B4606100

CAUTION

!

 

Rear wheel encoder is included in rear wheel 
hub assembly. If rear wheel encoder needs to 
replaced, replace it as a rear wheel hub 
assembly.

 

For removal and installation of front wheel hub 
assembly, referring to “Rear Wheel Hub Assembly 
Removal and Installation in Section 2C in related 
manual”.

Master Cylinder Pressure Sensor On-Vehicle 
Inspection

S5JB0B4606101

1) Calibrate master cylinder pressure sensor referring 

to “Sensor Calibration”.

2) Check that basic brake system other than ESP

® 

referring to “Brake Diagnosis Note in Section 4A in 
related manual”.

3) Connect SUZUKI scan tool to data link connector 

(DLC) (1) with ignition switch OFF.

Special tool
(A):  SUZUKI scan tool 

4) Turn ignition switch to ON position and select menu 

“DATA LIST” mode of SUZUKI scan tool. Refer to 
scan tool operator's manual for further derails.

5) When brake pedal is released, check “Master Cyl 

Press” under “DATA LIST” of SUZUKI scan tool.
If pressure is out of specification, replace ESP

® 

hydraulic unit / control module assembly.

Master cylinder pressure specification
Brake pedal released: 0 

± 0.8 MPa (0 ± 8 kg/cm

2

, 0 

± 113 psi)

6) Hoist vehicle and remove right-side front wheel.
7) Connect special tool with rubber hose (1) to Front 

brake caliper bleeder plug (2).

Special tool
(A):  09956–02311 

8) When bleeder plug loosen and depress brake pedal 

to make special tool gauge reading 10 MPa (100 kg/
cm

2

, 1422 psi), check “Master Cyl Press” under 

“DATA LIST” of SUZUKI scan tool.
If pressure displayed on SUZUKI scan tool is out of 
specification, replace ESP

® hydraulic unit / control 

module assembly.

Master cylinder pressure specification
Brake pedal depressed 10 MPa (100 kg/cm

2

, 1422 

psi): 10 

± 1.2 MPa (100 ± 12 kg/cm

2

, 1422 

± 170 

psi)

9) After completing the check, turn ignition switch to 

OFF position and disconnect SUZUKI scan tool from 
DLC.

10) Tighten bleeder plug and bleed air from brake 

system referring to “Air Bleeding of Brake System in 
Section 4A in related manual”.

(A)

1

I5JB0A450008-01

2

(A)

1

I6JB01460025-01

4F-48 Electronic Stability Program: 

Yaw Rate / G Sensor Assembly On-Vehicle 
Inspection

S5JB0B4606102

Longitudinal G Inspection

1) Calibrate yaw rate / G sensor assembly referring to 

“Sensor Calibration”.

2) Park and level the vehicle with parking brake and fix 

wheels with chokes.

3) Check yaw rate / G sensor assembly installation 

condition.

4) Connect SUZUKI scan tool to data link connector 

(DLC) (1) with ignition switch OFF.

Special tool
(A):  SUZUKI scan tool 

5) Turn ignition switch to ON position and select menu 

“DATA LIST” mode of SUZUKI scan tool. Refer to 
scan tool operator's manual for further derails.

6) Check “G Sensor” under “DATA LIST” of SUZUKI 

scan tool in the following vehicle conditions.
• Level condition
• Front-up condition
• Rear-up condition
If Longitudinal G condition is out of specification, 
replace yaw rate / G sensor assembly.

Longitudinal G specification

Lateral G Inspection

1) Calibrate yaw rate / G sensor assembly referring to 

“Sensor Calibration”.

2) Park and level the vehicle with parking brake and fix 

wheels with chokes.

3) Check yaw rate / G sensor assembly installation 

condition.

4) Connect SUZUKI scan tool to data link connector 

(DLC) (1) with ignition switch OFF.

Special tool
(A):  SUZUKI scan tool 

Vehicle condition

Longitudinal G

Level condition

± 0.1 G

Front-up condition

0.1 

± 0.1 G

Rear-up condition

–0.1 

± 0.1 G

(A)

1

I5JB0A450008-01

[A]: Front-up condition

“a”: Approx 400 mm (15.75 in.)

[B]: Rear-up condition

1. Safety stand

[A]

[B]

“a”

“a”

1

1

I6JB01460026-02

(A)

1

I5JB0A450008-01

 

 

 

 

 

 

 

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