RM38N0EC _59 Vehicle Exterior _111831 DOOR / HATCH _0505274 POWER BACK DOOR SYSTEM Y

DOOR / HATCH  POWER BACK DOOR SYSTEM  HOW TO PROCEED WITH TROUBLESHOOTING  


CAUTION / NOTICE / HINT

HINT:
·

The power back door system troubleshooting procedure is based on the premise that the smart entry and start system (for Entry Function) is operating normally. Check the smart entry and start system (for Entry Function) first before troubleshooting the power back door system.

for HV Model: Click hereVehicle Interior>THEFT DETERRENT / KEYLESS ENTRY>SMART ENTRY AND START SYSTEM (for Entry Function, HV Model)>HOW TO PROCEED WITH TROUBLESHOOTING

for Gasoline Model: Click hereVehicle Interior>THEFT DETERRENT / KEYLESS ENTRY>SMART ENTRY AND START SYSTEM (for Entry Function, Gasoline Model)>HOW TO PROCEED WITH TROUBLESHOOTING

·

Use the following procedure to troubleshoot the power back door system.

·

*: Use the GTS.



PROCEDURE

1.VEHICLE BROUGHT TO WORKSHOP
Result:
Proceed to
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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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3.PRE-CHECK
3.PRE-CHECK
a.

Measure the auxiliary battery voltage with the 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.


Result:
Proceed to
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NEXT

4.CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*
4.CHECK 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.CHECK COMMUNICATION FUNCTION OF LIN 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.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>DTC CHECK / CLEAR


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



A

6.CHECK FOR DTC (MULTIPLEX NETWORK DOOR ECU)*

B

GO TO LIN COMMUNICATION SYSTEM

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


6.CHECK FOR DTC (MULTIPLEX NETWORK DOOR ECU)*
a.

Clear the DTCs.

Click hereVehicle Exterior>DOOR / HATCH>POWER BACK DOOR SYSTEM>DTC CHECK / CLEAR

Body Electrical > Back Door > Clear DTCs
50002 489

b.

Recheck for DTCs.

Body Electrical > Back Door > Trouble Codes
50001 489

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



A

7.PROBLEM SYMPTOMS TABLE

B

GO TO DIAGNOSTIC TROUBLE CODE CHART

Click hereVehicle Exterior>DOOR / HATCH>POWER BACK DOOR SYSTEM>DIAGNOSTIC TROUBLE CODE CHART


7.PROBLEM SYMPTOMS TABLE
a.

Refer to Problem Symptoms Table.

Click hereVehicle Exterior>DOOR / HATCH>POWER BACK DOOR 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

8.OVERALL ANALYSIS AND TROUBLESHOOTING*

B

9.ADJUST, REPAIR OR REPLACE
9.ADJUST, REPAIR OR REPLACE
a.

Check if the multiplex network door ECU has been removed and installed or replaced, or if any of the connectors have been disconnected, the cable has been disconnected from the negative (-) auxiliary battery terminal with the back door open or if any of the fuses in the power source circuit have been removed and installed or replaced.


Result:
Result Proceed to
The multiplex network door ECU has been removed and installed or replaced, any of the connectors have been disconnected, the cable has been disconnected from the negative (-) auxiliary battery terminal with the back door open, or any of the fuses in the power source circuit have been removed and installed or replaced. A
The multiplex network door ECU has not been removed and installed or replaced and none of the connectors have been disconnected, the cable has not been disconnected from the negative (-) auxiliary battery terminal with the back door open and none of the fuses in the power source circuit have been removed and installed or replaced. B



A

10.INITIALIZE POWER BACK DOOR SYSTEM

B

11.CONFIRMATION TEST
10.INITIALIZE POWER BACK DOOR SYSTEM
a.

Initialize the power back door system.

Click hereVehicle Exterior>DOOR / HATCH>POWER BACK DOOR SYSTEM>INITIALIZATION


Result:
Proceed to
NEXT



NEXT

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



NEXT

END