Suzuki Grand Vitara JB416 / JB420 (ESP model). Service manual — part 66

4F-18 Electronic Stability Program:

)

C1023

{

{

X

When ESP

® control module detects the system as normal, after

ignition switch turned OFF to ON.

)

C1024

{

{

X

)

C1027 *3

{

{

{

—

)

C1028

{

{

X

When ESP

® control module detects the system as normal, after

ignition switch turned OFF to ON.

)

C1034

*2

{

X

)

C1037

{

{

{

)

C1038

{

{

X

)

C1039

*2

{

X

)

C1040

{

{

X

)

C1041

X

X

X

When ESP

® control module detects the system as normal, after

ignition switch turned OFF to ON.

)

C1042

)

C1043

)

C1044

)

C1045

)

C1046

)

C1051

)

C1052

)

C1053

)

C1054

)

C1055

)

C1056

)

C1050

{

{

X

When ESP

® control module detects the system as normal, after

ignition switch turned OFF to ON.

)

C1057

X

*4

X

)

C1061

X

{

X

When estimated vehicle speed exceeds 10 km/h (6.5 mile/h) and
detects system as normal.

)

C1063

X

X

X

When ESP

® control module detects the system as normal, after

ignition switch turned OFF to ON.

)

C1071

X

X

X

)

C1073

*2

{

X

)

C1075

{

{

X

Steering angle sensor calibration completed.

DTC No.

Fail-safe operation

Fail-safe condition resolutive

ABS

EBD

TCS /

stability

Electronic Stability Program: 4F-19

NOTE

• {: Activated
• X: Deactivated
• *1: If two or more wheel speed sensor are defective, ABS warning lamp, EBD warning lamp and

ESP

® warning lamp are lit and all the control functions are deactivated. If one wheel speed sensor is

defective, ABS warning lamp and ESP

® warning lamp are lit and ABS and TCS / stability control are

deactivated.

• *2: For 4WD vehicle, ABS warning lamp and ESP

® warning lamp are lit and ABS and TCS / stability

control are deactivated. For 2WD vehicle, ESP

® warning lamp is lit and TCS / stability control is

deactivated.

• *3: ESP

® OFF mode is cancelled and all control functions are activated.

• *4: EBD control function is activated only if power supply circuit is low voltage malfunction.

)

C1076

{

{

X

Master cylinder pressure sensor calibration completed.

)

C1077

X

{

X

Yaw rate / G sensor assembly calibration completed.

)

C1078

{

{

X

)

C1090

{

{

X

When ESP

® control module detects the system as normal, after

ignition switch turned OFF to ON.

)

C1091

{

{

X

)

C1092

)

C1093

)

U1073

{

{

X

)

U1100

{

{

X

)

U1101

)

U1126

)

U1139

)

U1140

DTC No.

Fail-safe operation

Fail-safe condition resolutive

ABS

EBD

TCS /

stability

4F-20 Electronic Stability Program:

Scan Tool Data

S5JB0E4604024

The parameter data below are values measured with the scan tool when the normally operating vehicle is under the
following conditions. When taking measurements for comparison by using the scan tool, be sure to check that the
vehicle is under the following conditions.
• Apply parking brake and block wheels.
• Ignition switch ON.
• Turn OFF air conditioning (if equipped).
• Set the wheel in straight-ahead position and hands off steering wheel.
• Turn OFF all electric loads (except ignition).
• Check that there is no DTC.

Scan Tool Data Definition
Battery Volt (V): Battery Voltage is an analog input

signal read by the ESP

® control module. Certain

ESP

® control module functions will be modified if the

battery voltage falls below or rises above
programmed thresholds.

Pump Motor Driver (V): This parameter indicates the

operational condition of the pump motor driver
(transistor).

RF Wheel Speed, LF Wheel Speed, RR Wheel Speed

and LR Wheel Speed (km/h, MPH): Wheel speed
is ESP

® control module internal parameter. It is

computed by reference pulses from the wheel speed
sensor.

Brake Switch (ON, OFF): This switch signal informs

the ESP

® control module whether the brake is active

or not.

G Sensor (G): Vehicle acceleration is measured by yaw

rate / G sensor assembly and output to ESP

®

control module by pulse signal for 4WD vehicle.

Master Cyl Press (MPa): Brake fluid pressure from

brake master cylinder.

G Sensor (lateral) (G): Lateral acceleration is

measured by yaw rate / G sensor assembly and
output to ESP

® control module by pulse signal.

Yaw rate sensor (Deg/s): Yaw rate sensor is measured

by yaw rate / G sensor assembly and output to
ESP

® control module by pulse signal.

Steering angle Sen (

°): Steering wheel rotation angle

is measured by steering angle sensor and output to
ESP

® control module by pulse signal.

Stability control (ACTIVE, INACTIVE): This indicates

stability control in activation / deactivation.

TCS control (brake) (ACTIVE, INACTIVE): This

indicates brake function of TCS in activation /
deactivation.

TCS control (engine) (ACTIVE, INACTIVE): This

indicates torque control of TCS in activation /
deactivation.

ESP

® off state (cont) (ESP® ON, ESP® OFF): State

of ESP

® OFF switch.

Steering angle Sen (Neutral, NONnewtral): This

indicates steering wheel angle measured by steering
angle sensor is in straight-ahead or not.

Scan Tool Data

Standards

Condition

Battery Voltage

10.0 – 16.0 V

—

Pump Motor Driver

0.0 V

—

RF Wheel Speed

0 km/h, 0.0 MPH

Vehicle is in stationary condition.

LF Wheel Speed

0 km/h, 0.0 MPH

Vehicle is in stationary condition.

RR Wheel Speed

0 km/h, 0.0 MPH

Vehicle is in stationary condition.

LR Wheel Speed

0 km/h, 0.0 MPH

Vehicle is in stationary condition.

Brake Switch

ON

Brake pedal is depressed

OFF

Brake pedal is released

G sensor

0

± 0.1 G

Vehicle is on the level

Master Cyl Press

0

± 0.8 MPa

Brake pedal is released

G Sensor (lateral)

0

± 0.1 G

Vehicle is on the level

Yaw rate sensor

0

± 4 Deg/s

Vehicle is on the level

Steering angle Sen

0

± 3°

Front wheels are in straight-ahead
position

Stability control

INACTIVE

Stability control system is not working

TCS control (brake)

INACTIVE

Brake function by TCS is not working

TCS control (engine)

INACTIVE

Torque control by TCS is not working

ESP

® off state (cont)

ESP

® ON

ESP

® OFF switch is OFF condition

ESP

® OFF

ESP

® OFF switch is ON condition

Steering angle Sen

Neutral

Front wheels are in straight-ahead
position

Electronic Stability Program: 4F-21

ESP

® Warning Lamp Does Not Come ON at Ignition Switch ON

S5JB0E4604008

Wiring Diagram

Circuit Description
Operation (ON/OFF) of ESP

® warning lamp is controlled by ESP® control module through lamp driver module in

combination meter.
If ESP

® system is in good condition, ESP® control module turns ESP® warning lamp ON at the ignition switch ON,

keeps it ON for 2 seconds and then turns it OFF. If an abnormality in the system is detected, ESP

® warning lamp is

turned ON continuously by ESP

® control module. Also, it is turned ON continuously by lamp driver module when the

connector of ESP

® control module is disconnected.

Troubleshooting

3

4

2

1

[A]

E53-16

E53-47

12V

12V

E53-32

E53-1

E53-35

GRN/ORN

PPL/RED

BLK/YEL

WHT/GRN

WHT/RED

WHT/BLU

BLK

BLK

BLK

RED

WHT

RED

WHT

E53-13
E53-44

11

10

9

5

7

8

6

8

E53

16

1

15

2

3

4

5

6

7

8

9

10

11

12

13

14

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

I6JB01460013-01

[A]: ESP

® control module connector (viewed from terminal side)

4. Junction block assembly

8. CAN driver

1. Battery

5. Combination meter

9. Junction connector

2. Main fuse box

6. ESP

® warning lamp

10. To TCM, BCM, 4WD control module, keyless

start control module and steering angle sensor

3. Ignition switch

7. Lamp driver module

11. ESP

® hydraulic unit / control module assembly

Step

Action

Yes

No

1

1) Turn ignition switch to ON position.

Do other warning lamps come ON?

Go to Step 2.

Go to Step 3.

2

1) Connect scan tool to DLC with ignition switch turned

OFF.

2) Turn ignition switch to OFF position and check DTC.

Is there DTC U1073?

Go to “DTC U1073:
Control Module
Communication Bus
Off” for troubleshooting.

Substitute a known-
good combination meter
and recheck. If ESP

®

warning lamp remains
OFF, substitute a
known-good ESP

®

hydraulic unit / control
module assembly and
recheck.

3

Is Circuit fuse for combination meter in good condition?

Go to Step 4.

Replace fuse and check
for short circuit to
ground.

4

1) Check CAN communication circuit between combination

meter and ESP

®, control module referring to “DTC

U1073: Control Module Communication Bus Off”

Is CAN communication circuit in good condition?

Go to Step 5.

Repair or replace.