RM38N0EC _59 Vehicle Exterior _111844 WINDOW / GLASS _0505693 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
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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
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NEXT

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

Measure the auxiliary battery voltage with the ignition switch off.*1


b.

Measure the auxiliary battery voltage.*2

*1: for HV Model

*2: for Gasoline Model


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.


c.

Check the fuses and relays.


d.

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


e.

Check the vehicle specifications.


Result:
Proceed to
NEXT



NEXT

4.INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*
4.INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*
a.

Using the GTS, check for CAN communication system DTCs.

for HV Model: Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM (for HV 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 B



A

5.INSPECT COMMUNICATION FUNCTION OF CXPI COMMUNICATION SYSTEM*

B

GO TO CAN COMMUNICATION SYSTEM

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

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


5.INSPECT COMMUNICATION FUNCTION OF CXPI COMMUNICATION SYSTEM*
a.

Click herePower Source / Network>NETWORKING>CXPI COMMUNICATION SYSTEM>DTC CHECK / CLEAR


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



A

6.PROBLEM SYMPTOMS TABLE

B

GO TO CXPI COMMUNICATION SYSTEM

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


6.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

7.OVERALL ANALYSIS AND TROUBLESHOOTING*

B

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



NEXT

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



NEXT

END