How To Proceed With Troubleshooting (from 07/2011)

HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for Hatchback): HOW TO PROCEED WITH TROUBLESHOOTING

HINT
* Use the following procedures to troubleshoot the air conditioning system.
* *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP

NEXT -- Continue to next step.

2. INSPECT BATTERY VOLTAGE

(a) Inspect the battery voltage.

Standard voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the battery before proceeding.

NEXT -- Continue to next step.

3. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

(a) Use the Techstream to check if the CAN Communication System is functioning normally.

Result





B -- GO TO CAN COMMUNICATION SYSTEM How To Proceed With Troubleshooting (from 07/2011)

C -- GO TO CAN COMMUNICATION SYSTEM How To Proceed With Troubleshooting (from 07/2011)
A -- Continue to next step.

4. CHECK FOR DTC*

(a) Check for DTCs and note any codes that are output DTC Check / Clear (from 07/2011).

(b) Clear the DTCs.

(c) Recheck for DTCs. Based on the DTCs output above, try to force output of the A/C system DTC by simulating the operation indicated by the DTC.

Result





B -- Go to step 7
A -- Continue to next step.

5. PROBLEM SYMPTOMS TABLE

(a) Refer to the Problem Symptoms Table Symptom Related Diagnostic Procedures.

Result





B -- Go to step 7
A -- Continue to next step.

6. OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Panel diagnosis (refrigerant shortage check) Check Mode Procedure (from 07/2011)*1

*1: w/ Cooler

(b) Data List / Active Test Scan Tool Testing and Procedures

(c) Terminals of ECU Pinout Values and Diagnostic Parameters

(d) On-Vehicle Inspection

(e) Inspection

(f) Check for DTCs after checking harness and connector DTC Check / Clear (from 07/2011).

NEXT -- Continue to next step.

7. ADJUST, REPAIR OR REPLACE

NEXT -- END