Suzuki Grand Vitara JB419. Manual - part 94

Electronic Stability Program:  4F-9

Component Location

Electronic Stability Program Component Location

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1

2

3

4

5

7

6

9

8

14

15

16

10

11

12

13

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1. ESP

® warning lamp

7. ESP

® OFF switch

13. Yaw rate / G sensor assembly

2. EBD warning lamp (brake warning lamp)

8. Rear wheel speed sensor

14. Data link connector

3. ABS warning lamp

9. Rear wheel encoder

15. Back up light switch

4. SLIP indicator lamp

10. ESP

® hydraulic unit / control module assembly

16. Stop lamp switch

5. ESP

® OFF lamp

11. Front wheel speed sensor

6. Steering angle sensor

12. Front wheel encoder

4F-10 Electronic Stability Program: 

Diagnostic Information and Procedures

Electronic Stability Program Check

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

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.

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 in related manual”.

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

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 in related manual”, “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.

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4F-12 Electronic Stability Program: 

Step 2: Driving Test
Test the vehicle turning (counter) clockwise at 40 km/h for more than a minute and check if any trouble symptom (such 
as abnormal lighting of 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 in 
related manual” and 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

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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

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

EBD Warning Lamp (Brake Warning Lamp) 
Check 

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

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