Diagnostic Information And Procedures; Air Conditioning System Check - Suzuki GRAND VITARA Owner's Manual

7B-11 Air Conditioning System:
1. Outside temperature sensor
2. Sunload sensor
3. Inside temperature sensor
4. ECT sensor
5. Refrigerant pressure sensor
6. Evaporator temperature sensor
7. Air intake control actuator
8. Temperature control actuator
9. Air flow control actuator

Air Conditioning System Check

To ensure that system diagnosis is done accurately and smoothly, read "Precautions in Diagnosing Trouble: " and
follow "Air Conditioning System Check: ".
Step
1 Customer complaint analysis
1) Perform "Customer Complaint Analysis".
Was customer complaint analysis performed according to
instruction?
2 Visual inspection
1) Perform "Visual Inspection".
Is there any faulty condition?
3 DTC check
1) Perform "DTC Check".
Is it malfunction code?
4 Troubleshooting for DTC
1) Check and repair according to DTC diag. flow.
Are check and repair completed?
5 Check for intermittent problem
1) Check for intermittent problem.
Is there faulty condition?
6 Air conditioning system symptom diagnosis
1) Inspect and repair referring to "A/C System Symptom
Diagnosis: ".
Are inspect and repair complete?
7 Final confirmation test
1) Perform DTC check.
Is there any DTC?
10. Blower motor
11. Blower motor controller
12. Temperature selector / A/C switch
13. "DEF" switch
14. "DEF / FOOT" switch
15. "FOOT" switch
16. "BI-LEVEL" switch
17. "VENT" switch
18. "AUTO" switch

Diagnostic Information and Procedures

Action
19. Alarm indicator
20. Blower speed selector / Air intake selector
21. Rear defogger switch
22. "REC" indicator lamp
23. "FRE" indicator lamp
24. MODE selector
25. HVAC control module (vehicle with A/C)
26. "DEF" indicator lamp
Yes
Go to Step 2.
Repair or replace
malfunction part.
Go to Step 4.
Go to Step 7.
Repair or replace
malfunction part(s).
Go to Step 7.
Go to Step 4.
S5JB0A7204007
No
Perform customer
complaint analysis.
Go to Step 3.
Go to Step 5.
Check and repair
malfunction part(s).
Go to Step 6.
Inspect and repair
malfunction part(s).
Air Conditioning system
is good condition.