RM38T0EC _59 Vehicle Exterior _115107 WINDOW / GLASS _0510867 WINDOW DEFOGGER SYSTEM Y

WINDOW / GLASS  WINDOW DEFOGGER SYSTEM  HOW TO PROCEED WITH TROUBLESHOOTING  


CAUTION / NOTICE / HINT

HINT:
·

Use the following procedure to troubleshoot the window defogger system.

·

*: Use the GTS.



PROCEDURE

1.VEHICLE BROUGHT TO WORKSHOP
Result:
Proceed to
NEXT



NEXT

2.CUSTOMER PROBLEM ANALYSIS
2.CUSTOMER PROBLEM ANALYSIS
HINT:
·

In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.

·

Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.

·

The following 5 items are important points for problem analysis:

What Vehicle model, system name
When Date, time, occurrence frequency
Where Road conditions
Under what conditions? Driving conditions, weather conditions
How did it happen? Problem symptoms



Result:
Proceed to
NEXT



NEXT

3.PRE-CHECK
3.PRE-CHECK
a.

Measure the auxiliary battery voltage with ignition switch off.

Standard Voltage:

11 to 14 V


If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding to the next step.


b.

Check the fuses and relays.


c.

Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.


d.

Check the vehicle specifications.


Result:
Proceed to
NEXT



NEXT

4.CHECK VEHICLE SPECIFICATIONS
4.CHECK VEHICLE SPECIFICATIONS
a.

Check vehicle specifications


Result:
Result Proceed to
for Electrical Control Type A
for Mechanical Control Type B



A

5.CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

B

8.PROBLEM SYMPTOMS TABLE
5.CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*
a.

Using the GTS, check for CAN communication system DTCs.

for HEV Model:

Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM (for HEV Model)>DIAGNOSIS SYSTEM

for Gasoline Model:

Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM (for Gasoline Model)>DIAGNOSIS SYSTEM



Result:
Result Proceed to
CAN DTCs are not output A
CAN DTCs are output (for HEV Model) B
CAN DTCs are output (for Gasoline Model) C



A

6.CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*

B

GO TO CAN COMMUNICATION SYSTEM

Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM (for HEV Model)>HOW TO PROCEED WITH TROUBLESHOOTING


C

GO TO CAN COMMUNICATION SYSTEM

Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM (for Gasoline Model)>HOW TO PROCEED WITH TROUBLESHOOTING


6.CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*
a.

Using the GTS, check for LIN communication system DTCs.

Click herePower Source / Network>NETWORKING>LIN COMMUNICATION SYSTEM>DIAGNOSIS SYSTEM


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



A

7.CHECK COMMUNICATION FUNCTION OF CXPI COMMUNICATION SYSTEM*

B

GO TO LIN COMMUNICATION SYSTEM

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


7.CHECK COMMUNICATION FUNCTION OF CXPI COMMUNICATION SYSTEM*
a.

Using the GTS, check for CXPI communication system DTCs.

Body Electrical > Main Body > Trouble Codes
50001 449

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



A

8.PROBLEM SYMPTOMS TABLE

B

GO TO CXPI COMMUNICATION SYSTEM

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


8.PROBLEM SYMPTOMS TABLE
a.

Refer to Problem Symptoms Table.

Click hereVehicle Exterior>WINDOW / GLASS>WINDOW DEFOGGER 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

9.OVERALL ANALYSIS AND TROUBLESHOOTING*

B

10.REPAIR OR REPLACE
10.REPAIR OR REPLACE
Result:
Proceed to
NEXT



NEXT

11.CONFIRMATION TEST
11.CONFIRMATION TEST
Result:
Proceed to
NEXT



NEXT

END