Air Conditioning System Check

Step 1 - 7:

Step 8:

Customer questionnaire (example):

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 figure will facilitate collecting information to the point required for proper analysis and diagnosis.

Visual Inspection
As a preliminary step, be sure to perform visual check of the items that support proper function of the air conditioning system referring to Visual Inspection.

Problem Symptom Confirmation
This confirmation is needed before performing DTC check without using SUZUKI scan tool because A/C and REC (recirculation) indicator lamp are used to indicator DTC. Therefore, check if each indicator lamp flashes referring to A/C Indicator Lamp Check.

DTC Check
Refer to DTC Check for checking procedure.

Troubleshooting for DTC
Based on the DTC indicated in Step 4 and referring to applicable DTC flow, locate the cause of the trouble, namely in a sensor, actuator, wire harness, connector, HVAC control module or other part and repair or replace faulty parts.

Check for Intermittent Problem
Check parts where an intermittent trouble is easy to occur (e.g., wire harness, connector, etc.), referring to Intermittent and Poor Connection Inspection.

Air Conditioning System Symptom Diagnosis
Check the parts or system suspected as a possible cause referring to A/C System Symptom Diagnosis.

Final Confirmation Test
Confirm that the problem symptom has gone and the air conditioning system is free from any abnormal conditions. If what has been repaired is related to the malfunction DTC, check DTC once and confirm that no DTC is indicated.