HEATING / AIR CONDITIONING  AIR CONDITIONING SYSTEM(for Manual Air Conditioning System)  HOW TO PROCEED WITH TROUBLESHOOTING  


CAUTION / NOTICE / HINT

HINT:
·

Use the following procedure to troubleshoot the air conditioning system.

·

*: Use the GTS.



PROCEDURE

1.VEHICLE BROUGHT TO WORKSHOP
Result:
Proceed to
NEXT



NEXT

2.INSPECT BATTERY VOLTAGE
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 to the next step.


Result:
Proceed to
NEXT



NEXT

3.CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*
3.CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*
a.

Using the GTS, check for CAN communication system DTCs.

Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM>HOW TO PROCEED WITH TROUBLESHOOTING


Result:
Result Proceed to
CAN communication system DTCs are not output A
CAN communication system DTCs are output B



A

4.CHECK FOR DTC*

B

GO TO CAN COMMUNICATION SYSTEM

Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM>HOW TO PROCEED WITH TROUBLESHOOTING


4.CHECK FOR DTC*
a.

Check for DTCs and note any codes that are output.

Click hereVehicle Interior>HEATING / AIR CONDITIONING>AIR CONDITIONING SYSTEM(for Manual Air Conditioning System)>DTC CHECK / CLEAR

Body Electrical > Air Conditioner > Trouble Codes
50001 121

b.

Clear the DTCs.

Click hereVehicle Interior>HEATING / AIR CONDITIONING>AIR CONDITIONING SYSTEM(for Manual Air Conditioning System)>DTC CHECK / CLEAR

Body Electrical > Air Conditioner > Clear DTCs
50002 121

c.

Recheck for DTCs. Based on the DTCs output above, try to force output of the air conditioning system DTC by simulating the operation indicated by the DTC.

Click hereVehicle Interior>HEATING / AIR CONDITIONING>AIR CONDITIONING SYSTEM(for Manual Air Conditioning System)>DTC CHECK / CLEAR

Body Electrical > Air Conditioner > Trouble Codes
50001 121

Result:
Result Proceed to
DTCs are not output A
DTCs are output B



A

5.PROBLEM SYMPTOMS TABLE

B

GO TO DIAGNOSTIC TROUBLE CODE CHART

Click hereVehicle Interior>HEATING / AIR CONDITIONING>AIR CONDITIONING SYSTEM(for Manual Air Conditioning System)>DIAGNOSTIC TROUBLE CODE CHART


5.PROBLEM SYMPTOMS TABLE
a.

Refer to Problem Symptoms Table.

Click hereVehicle Interior>HEATING / AIR CONDITIONING>AIR CONDITIONING SYSTEM(for Manual Air Conditioning System)>PROBLEM SYMPTOMS TABLE


Result:
Result Proceed to
Fault is not listed in Problem Symptoms Table A
Fault is listed in Problem Symptoms Table B



A

6.OVERALL ANALYSIS AND TROUBLESHOOTING*

B

GO TO PROBLEM SYMPTOMS TABLE

Click hereVehicle Interior>HEATING / AIR CONDITIONING>AIR CONDITIONING SYSTEM(for Manual Air Conditioning System)>PROBLEM SYMPTOMS TABLE


6.OVERALL ANALYSIS AND TROUBLESHOOTING*
a.

Data List / Active Test

Click hereVehicle Interior>HEATING / AIR CONDITIONING>AIR CONDITIONING SYSTEM(for Manual Air Conditioning System)>DATA LIST / ACTIVE TEST


b.

Terminals of ECU

Click hereVehicle Interior>HEATING / AIR CONDITIONING>AIR CONDITIONING SYSTEM(for Manual Air Conditioning System)>TERMINALS OF ECU


c.

On-vehicle Inspection


d.

Inspection


Result:
Proceed to
NEXT



NEXT

7.ADJUST, REPAIR OR REPLACE
7.ADJUST, REPAIR OR REPLACE
Result:
Proceed to
NEXT



NEXT

END