Power Back Door does not Operate Using Cabin Switch [11/2023 - ]: Procedure
- CHECK VEHICLE CONDITION
- Operate the multi-information display in the combination meter assembly and check the customization status.
Display Description Default Setting Relevant ECU System Settings Function that enables/disables the power back door. ON ON or OFF Multiplex network door ECU Result
Result Proceed to Customization item is "ON" (power back door system operation is possible) A Customization item is "OFF" (power back door system operation is prohibited) B
Result:
B
PERFORM CUSTOMIZE SETTING. Refer to CUSTOMIZE PARAMETERS [11/2023 - ]
Result:
A
See step 2
- Operate the multi-information display in the combination meter assembly and check the customization status.
- CHECK POWER BACK DOOR SYSTEM
- Check the power back door system.
Result
Result Proceed to Power back door system operates normally A Power back door system does not operate normally B
Result:
A
GO TO POWER BACK DOOR CANNOT BE OPERATED FREQUENTLY. Refer to Power Back Door cannot be Operated Frequently [11/2023 - ]
Result:
B
See step 3
- Check the power back door system.
- READ VALUE USING GTS
- Read the Data List according to the display on the GTS.
Body Electrical > Main Body > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note Back Door Operation Switch (Instrument) Power back door control switch signal ON or OFF ON: Power back door control switch ON
OFF: Power back door control switch OFF- Body Electrical > Main Body > Data List
Tester Display Back Door Operation Switch (Instrument) OK
The GTS display changes correctly in response to the switch operation.
Result
Proceed to OK NG
Result:
OK
REPLACE MULTIPLEX NETWORK DOOR ECU. Refer to REMOVAL [11/2023 - ]
Result:
NG
See step 4
- Read the Data List according to the display on the GTS.
- INSPECT POWER BACK DOOR CONTROL SWITCH
Refer to INSPECTION [12/2019 - ]
Result
Proceed to OK NG Result:
NG
REPLACE POWER BACK DOOR CONTROL SWITCH. Refer to REMOVAL [12/2019 - ]
Result:
OK
See step 5
- CHECK HARNESS AND CONNECTOR (POWER BACK DOOR CONTROL SWITCH - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND BODY GROUND)
- Disconnect the H30 power back door control switch connector.
- Disconnect the H136 main body ECU (multiplex network body ECU) connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition H30-5 (CSW) - H136-21 (PBDS) Always Below 1 Ω H30-2 (E) - Body ground Always Below 1 Ω H30-5 (CSW) or H136-21 (PBDS) - Body ground Always 10 kΩ or higher Result
Proceed to OK NG
Result:
OK
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to REMOVAL [11/2023 - ]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR