Suzuki Liana RH413, Service Manual

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7B-53 Air Conditioning System: Automatic Type
Customer questionnaire (Example)
Step 2. Visual inspection
As a preliminary step, be sure to perform visual check of the items that support proper function of the air conditioning
referring to “Visual Inspection”.
Step 3. DTC check
Check DTC referring to “DTC Check”.
Step 4. Troubleshooting malfunction
Based on the DTC, perform an applicable DTC diagnostic flow and locate the cause of the trouble, namely in a sensor,
wire harness, connector, actuator, HVAC control module or other part and repair faulty parts.
Step 5. A/C system symptom diagnosis
Check any part or system suspected to be a possible cause referring to “A/C System Symptom Diagnosis”.
Step 6. Check for intermittent problem
Check any part where an intermittent trouble is easy to occur (e.g., wire harness, connector, etc.), referring to
“Intermittent and Poor Connection Inspection in Section 00” and related circuit of trouble cord recorded.
Step 7. Final confirmation test
Confirm if the problem symptom is troubleshot and the A/C system is free from any abnormal conditions. If there
existed DTC, clear the DTC. Then, check if the DTC is still detected and if there is any other DTC.
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