Automatic back door open/close function does not operate using all switches.
CHECK OPERATION
Fully close the back door manually.
Check auto open/close function using automatic back door switch.
Is the inspection result normal?
YES>>Automatic back door system is normal. Refer to Description.
NO>>GO TO 2.
CHECK DTC WITH AUTOMATIC BACK DOOR CONTROL UNIT, VCM AND ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
Check that DTC is not detected with automatic back door control unit, VCM and ABS actuator and electric unit (control unit).
Is the inspection result normal?
YES>>GO TO 3.
NO-1>>Refer to DTC Index. (automatic back door control unit)
NO-2>>Refer to DTC Index. (VCM)
NO-3>>Refer to DTC Index. [ABS actuator and electric unit (control unit)]
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check automatic back door control unit power supply and ground circuit.
Refer to Diagnosis Procedure.
Is the inspection result normal?
YES>>GO TO 4.
NO>>Repair or replace the malfunctioning parts.
CHECK “POWER BACK DOOR SETTING” IN COMBINATION METER
Check “Power back door setting” of the Nissan Ariya vehicle setting in the combination meter is ON.
Is the inspection result normal?
YES>>GO TO 5
NO>>Set “Power back door setting” to “ON”.
CHECK AUTOMATIC BACK DOOR OPERATION CONDITION
Select “AUTOMATIC BACK DOOR” of “Data Monitor” using CONSULT.
Check the “Automatic back door operation permission” in “Data Monitor”.
Is the inspection result normal?
YES>>Refer to System Description.
NO>>GO TO 6.
CHECK Nissan Ariya Vehicle SPEED SIGNAL
Select “AUTOMATIC BACK DOOR” of “Data Monitor” using CONSULT.
Check the “Nissan Ariya Vehicle speed diagnosis 1” and “Vehicle speed diagnosis 2” in “Data Monitor”.
Is the inspection result normal?
YES>>GO TO 7.
NO>>Check brake control system. Refer to Work Flow.
CHECK P POSITION SIGNAL
Select “AUTOMATIC BACK DOOR” of “Data Monitor” using CONSULT.
Check the “P range” in “Data Monitor”.
Is the inspection result normal?
YES>>GO TO 8.
NO>>Check electric shift system. Refer to Work Flow.
REPLACE AUTOMATIC BACK DOOR CONTROL UNIT
Replace automatic back door control unit. Refer to Removal and Installation.
Confirm the operation after replacement.
Is the result normal?
YES>>INSPECTION END
NO>>Check intermittent incident. Refer to Intermittent Incident.
Automatic back door open/close function does not operate using automatic back door switch.
CHECK AUTO OPEN/CLOSE FUNCTION
Check auto open/close function using back door opener switch operation.
Is the inspection result normal?
YES>>GO TO 2.
NO>>Refer to Diagnosis Procedure.
CHECK AUTOMATIC BACK DOOR SWITCH
Check automatic back door switch.
Refer to Component Function Check.
Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair or replace the malfunctioning parts.
REPLACE AUTOMATIC BACK DOOR CONTROL UNIT
Replace automatic back door control unit. Refer to Removal and Installation.
Confirm the operation after replacement.
Is the result normal?
YES>>INSPECTION END
NO>>Check intermittent incident. Refer to Intermittent Incident.
Automatic back door close function does not operate using automatic back door lock and close switch.
CHECK AUTO OPEN/CLOSE FUNCTION
Check auto open/close function using automatic back door switch.
Is the inspection result normal?
YES>>GO TO 2.
NO>>Refer to Diagnosis Procedure.
CHECK INTELLIGENT KEY
For automatic back door lock and close switch cannot be used for auto close function, check the Intelligent Key is near the rear bumper.
Is the inspection result normal?
YES>>GO TO 3.
NO>>Confirm the operation.
CHECK AUTOMATIC BACK DOOR LOCK AND CLOSE SWITCH
Check automatic back door lock and close switch. Refer to Component Function Check.
Is the inspection result normal?
YES>>GO TO 4.
NO>>Repair or replace the malfunctioning parts.
REPLACE AUTOMATIC BACK DOOR CONTROL UNIT
Replace automatic back door control unit. Refer to Removal and Installation.
Confirm the operation after replacement.
Is the result normal?
YES>>INSPECTION END
NO>>Check intermittent incident. Refer to Intermittent Incident.
Automatic back door open/close function does not operate using Intelligent Key.
CHECK REMOTE KEYLESS ENTRY FUNCTION
Check remote keyless entry function.
Does door lock/unlock with Intelligent Key button?
YES>>GO TO 2.
NO>>Refer to Symptom Table.
CHECK AUTO OPEN/CLOSE FUNCTION
Check auto open/close function using automatic back door switch.
Is the inspection result normal?
YES>>GO TO 3.
NO>>Refer to Diagnosis Procedure.
REPLACE INTELLIGENT KEY
Replace Intelligent Key.
Confirm the operation after replacement.
Is the result normal?
YES>>INSPECTION END
NO>>GO TO 4.
REPLACE AUTOMATIC BACK DOOR CONTROL UNIT
Replace automatic back door control unit. Refer to Removal and Installation.
Confirm the operation after replacement.
Is the result normal?
YES>>INSPECTION END
NO>>Check intermittent incident. Refer to Intermittent Incident.
Automatic back door open/close function does not operate properly when using hands free sensor.
CHECK OPERATION WITH PROPER KICK
Make sure that proper operating conditions have been met for hands free sensor operation. Refer to System Description.
Perform kick with proper form.
Is the system operational?
YES>>Instruct customer how to kick with proper form.
NO>>GO TO 2.
CHECK OPERATION OF THE AUTOMATIC BACK DOOR WITH OTHER TRIGGERS
Check if automatic back door works with Intelligent Key, back door opener switch, and automatic back door switch.
Is the system operational?
YES>>GO TO 3.
NO>>Perform diagnosis for automatic back door system. Refer to Work Flow.GO TO 8.
CHECK Nissan Ariya Vehicle EQUIPMENT
Check to see if the vehicle is equipped with a trailer hitch.
Use EPC parts catalog to confirm that the correct hands free sensor control unit part number is installed for Nissan Ariya vehicles equipped with/without a trailer hitch.
Is the correct hands free sensor control unit installed?
YES>>GO TO 4.
NO>>Replace hands free sensor control unit. Refer to Removal & Installation.GO TO 8
CHECK DTC WITH AUTOMATIC BACK DOOR CONTROL UNIT
Check that DTC is not detected with automatic back door control unit.
Is the inspection result normal?
YES>>GO TO 5.
NO>>Perform trouble diagnosis relevant to DTC indicated. If DTC exists for automatic back door control unit and hands free sensor, address automatic back door control unit DTC first.
CHECK FOR WIRING OR SENSOR DAMAGE
Remove any bumper undercover, if necessary. Clean off hands free sensor assembly of dirt, dust, etc. Check entire hands free sensor assembly to see if any wiring, connectors, or sensors are damaged.
Is there any issue with wiring, connectors, or sensors?
YES>>Replace damaged wiring, connector, or sensor. GO TO 8
NO>>GO TO 6.
CHECK HANDS FREE SENSOR SIGNAL
Check hands free sensor signal. Refer to Diagnosis Procedure.
Is the inspection result normal?
YES>>GO TO 7.
NO>>Replace fuse if necessary. GO TO 8.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check automatic back door control unit power supply and ground circuit. Refer to Diagnosis Procedure.
Is the inspection result normal?
YES>>Replace hands free sensor. Refer to Removal & Installation. GO TO 8.
NO>>Replace hands free sensor control unit. Refer to Removal & Installation. GO TO 8.
CHECK OPERATION WITH PROPER KICK
Make sure that proper operating conditions have been met for hands free sensor operation. Refer to System Description.
Perform kick with proper form.
Is the system operational?
YES>>Instruct customer how to kick with proper form.
NO>>Go back to previous step, and continue with diagnosis.
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