Suzuki Grand Vitara JB416 / JB420 (ESP model). Service manual - part 64

 

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Suzuki Grand Vitara JB416 / JB420 (ESP model). Service manual - part 64

 

 

4F-10 Electronic Stability Program: 

Diagnostic Information and Procedures

Electronic Stability Program Check

S5JB0E4604001

Refer to the following items for the details of each step.

Step

Action

Yes

No

1

)

 Malfunction analysis

1) Perform “Customer complaint analysis: ”.
2) Perform “Problem symptom confirmation: ”.
3) Perform “DTC check, record and clearance: ” and 

recheck DTC.

Is there any malfunction DTC?

Go to Step 4.

Go to Step 2.

2

)

 Driving test

1) Perform “Step 2: Driving Test: ”.

Is trouble symptom identified?

Go to Step 3.

Go to Step 6.

3

)

 DTC check

1) Perform “DTC Check”.

Is it malfunction code?

Go to Step 4.

Go to Step 5.

4

)

 ESP

® check

1) Inspect and repair referring to applicable DTC flow.

Does trouble recur?

Go to Step 5.

Go to Step 7.

5

)

 Brakes diagnosis

1) Inspect and repair referring to “Brakes Symptom 

Diagnosis in Section 4A”.

Does trouble recur?

Go to Step 3.

Go to Step 7.

6

)

 Intermittent problem check

1) Check intermittent troubles referring to “Intermittent and 

Poor Connection Inspection in Section 00 in related 
manual” and related circuit of trouble code recorded in 
Step 1.

Does trouble recur?

Go to Step 4.

Go to Step 7.

7

)

 Final confirmation test

1) Perform “Step 7: Final Confirmation Test: ”.

Does trouble recur?

Go to Step 3.

End.

Electronic Stability Program:  4F-11

Step 1: Malfunction Analysis
Customer complaint analysis
Record details of the problem (failure, complaint) and how it occurred as described by the customer. 
For this purpose, use of such a questionnaire form as shown in the following will facilitate collecting information to the 
point required for proper analysis and diagnosis.

Customer questionnaire (Example)

Problem symptom confirmation
If symptom in “Customer Questionnaire” is found or reproduced in the vehicle, confirm the symptom is problem or not. 
(This step should be done with the customer if possible.) Check warning lamps related to brake system referring to 
“EBD Warning Lamp (Brake Warning Lamp) Check in Section 4E”, “ABS Warning Lamp Check in Section 4E” and 
“ESP

® Warning lamp Check”.

DTC check, record and clearance
Perform “DTC Check” procedure, record it and then clear it referring to “DTC Clearance”.
Recheck DTC referring to “DTC Check”.
When DTC which is recorded at DTC check procedure is detected again after performing DTC clearance, go to “Step 
4: ESP

® Check: ” to proceed the diagnosis.

When DTC which is recorded at DTC check procedure is not indicated anymore after performing DTC clearance, 
ESP

® control module does not perform the system diagnosis, or temporary abnormality may occur, therefore go to 

“Step 2: Driving Test: ” to proceed the diagnosis.

I6JB01460011-02

4F-12 Electronic Stability Program: 

Step 2: Driving Test
Test the vehicle at 40 km/h for more than a minute including left and right turns and check if any trouble symptom 
(such as ESP

® warning lamp and/or ABS warning lamp) exists.

If the malfunction DTC is confirmed at ignition switch ON, proceed to Step 3.
If the malfunction DTC is not confirmed at ignition switch ON, proceed to Step 6.

Step 3: DTC Check
Recheck DTC referring to “DTC Check”.

Step 4: ESP

® Check

According to ESP

® Check for the DTC confirmation in Step 3, locate the cause of the trouble, namely in a sensor, 

switch, wire harness, connector, actuator assembly or other part and repair or replace faulty parts.

Step 5: Brakes Diagnosis
Check the parts or system suspected as a possible cause referring to “Brakes Symptom Diagnosis in Section 4A” an
based on symptoms appearing on the vehicle (symptom obtained through Steps 1 and 2 and repair or replace faulty 
parts, if any).

Step 6: Intermittent Problem Check
Check parts where an intermittent trouble is easy to occur (e.g., wire harness, connector, etc.), referring to 
“Intermittent and Poor Connection Inspection in Section 00 in related manual” and related circuit of trouble code 
recorded in Step 1 to 3.

Step 7: Final Confirmation Test
Confirm that the problem symptom has gone and the ESP

® is free from any abnormal conditions. If what has been 

repaired is related to the malfunction DTC, clear the DTC once referring to “DTC Clearance” and perform test driving 
and confirm that no DTC is indicated.

ESP

® Warning lamp Check

S5JB0E4604022

1) Turn ignition switch ON.
2) Check that ESP

® warning lamp (1) comes ON for 

about 2 seconds and then goes off.
If any faulty condition is found, advance to “ESP

® 

Warning Lamp Does Not Come ON at Ignition Switch 
ON” or 
“ESP

® Warning Lamp Comes ON Steady”.

ABS Warning Lamp Check

S5JB0E4604002

Refer to “ABS Warning Lamp Check in Section 4E”.

EBD Warning Lamp (Brake Warning Lamp) 
Check 

S5JB0E4604003

Refer to “EBD Warning Lamp (Brake Warning Lamp) 
Check in Section 4E”.

1

I6JB01460012-01

Electronic Stability Program:  4F-13

DTC Check

S5JB0E4604004

1) Turn ignition switch to OFF position.
2) Connect SUZUKI scan tool to data link connector 

(1).

Special tool
(A):  SUZUKI scan tool

3) Turn ignition switch to ON position.
4) Read DTC according to instructions displayed on 

SUZUKI scan tool and print it or write it down. Refer 
to SUZUKI scan tool operator’s manual for further 
details.

NOTE
If SUZUKI scan tool can not communicate 
ESP

® control module, perform “Serial Data 

Link Circuit Check”.

 

5) After completing the check, turn ignition switch off 

and disconnect SUZUKI scan tool from DLC.

DTC Table

S5JB0E4604005

CAUTION

!

 

Be sure to perform “Electronic Stability Program Check” before starting diagnosis.

 

(A)

1

I5JB0A450008-01

DTC 

(displayed 

on SUZUKI 

scan tool)

Diagnostic Items

Detecting condition (DTC will be 

set when detecting)

ABS 

warning 

lamp

EBD 

warning 

lamp

ESP

® 

warning 

lamp

NO DTC

Normal

)

C1015

Longitudinal G sensor in 
yaw rate / G sensor 
assembly failure

Longitudinal G sensor signal is out of 
specified range. (for 4WD vehicle)

{

{

)

C1016

Stop lamp switch failure

Vehicle behavior and stop lamp 
switch signal is disagreed for 
specified time.

)

C1017

Lateral G sensor in yaw rate 
/ G sensor assembly failure

Lateral G sensor signal is out of 
specified range.

{

)

C1018

Brake fluid level switch 
failure

• Brake fluid level is too low.
• Input voltage of brake fluid level 

switch to BCM is low.

{

)

C1020

Master cylinder pressure 
sensor power supply failure

Power supply voltage to master 
cylinder pressure sensor in ESP

® 

hydraulic unit / control module 
assembly is too low.

{

)

C1021

RF

Wheel speed 
sensor circuit failure

Wheel sensor signal is out of 
specified range.

{

*1

{

)

C1025

LF

)

C1031

RR

)

C1035

LR

 

 

 

 

 

 

 

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