DOOR LOCK  POWER DOOR LOCK CONTROL SYSTEM  HOW TO PROCEED WITH TROUBLESHOOTING  


CAUTION / NOTICE / HINT

HINT:
·

Use the following procedure to troubleshoot the power door lock control system.

·

*: Use the GTS.



PROCEDURE

1.VEHICLE BROUGHT TO WORKSHOP
Result:
Proceed to
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NEXT

2.CUSTOMER PROBLEM ANALYSIS CHECK
2.CUSTOMER PROBLEM ANALYSIS CHECK
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, whether the problem occurred recently or has been occurring for a long time
Where Whether the problem occurs at a specific location
Under what conditions? Whether the doors were locked or unlocked, whether the ignition switch was ON, whether the engine has started
How did it happen? Problem symptoms



Result:
Proceed to
NEXT



NEXT

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

Measure 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.


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.


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.

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


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



A

5.PROBLEM SYMPTOMS TABLE

B

GO TO CAN COMMUNICATION SYSTEM

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


5.PROBLEM SYMPTOMS TABLE
a.

Refer to Problem Symptoms Table.

Click hereVehicle Interior>DOOR LOCK>POWER DOOR LOCK CONTROL 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

7.REPAIR OR REPLACE
6.OVERALL ANALYSIS AND TROUBLESHOOTING*
a.

Terminals of ECU

Click hereVehicle Interior>DOOR LOCK>POWER DOOR LOCK CONTROL SYSTEM>TERMINALS OF ECU


b.

Data List / Active Test

Click hereVehicle Interior>DOOR LOCK>POWER DOOR LOCK CONTROL SYSTEM>DATA LIST / ACTIVE TEST


c.

Operation Check

Click hereVehicle Interior>DOOR LOCK>POWER DOOR LOCK CONTROL SYSTEM>OPERATION CHECK


d.

Inspection


Result:
Proceed to
NEXT



NEXT

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



NEXT

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



NEXT

END