Nissan Juke Service and Repair Manual : B263D, B263E, B263F intake door motor
DTC Logic
DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT-III
1. Turn ignition switch ON.
2. Select “Self Diagnostic Result” mode of “HVAC” using CONSULT-III.
3. Check DTC.
Is DTC detected? YES >> Refer to HAC-159, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK INTAKE DOOR MOTOR POWER SUPPLY
1. Turn ignition switch ON.
2. Check voltage between intake door motor harness connector and ground.

Is the inspection result normal? YES >> GO TO 2.
NO >> GO TO 5.
2.CHECK INTAKE DOOR MOTOR GROUND CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Disconnect intake door motor and A/C auto amp. connector.
3. Check continuity between intake door motor harness connector and A/C auto amp. harness connector.

Is the inspection result normal? YES >> GO TO 3.
NO >> Repair harness or connector.
3.CHECK INTAKE DOOR MOTOR LIN SIGNAL
1. Connect intake door motor and A/C auto amp. connector.
2. Turn ignition switch ON.
3. Confirm output waveform between intake door motor harness connector and ground using oscilloscope.

Is the inspection result normal? YES >> GO TO 4.
NO >> GO TO 6.
4.CHECK INSTALLATION OF INTAKE DOOR MOTOR
Check intake door motor is properly installed. Refer to HAC-195, "Exploded View".
Is the inspection result normal? YES >> Replace intake door motor. Refer to HAC-196, "INTAKE DOOR MOTOR : Removal and Installation".
NO >> Repair or replace malfunctioning part.
5.CHECK INTAKE DOOR MOTOR POWER SUPPLY CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Disconnect intake door motor and A/C auto amp. connector.
3. Check continuity between intake door motor harness connector and A/C auto amp. harness connector.

Is the inspection result normal? YES >> Replace A/C auto amp. Refer to HAC-188, "Removal and Installation".
NO >> Repair harness or connector.
6.CHECK INTAKE DOOR MOTOR LIN SIGNAL CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Disconnect intake door motor and A/C auto amp. connector.
3. Check continuity between intake door motor harness connector and A/C auto amp. harness connector.

Is the inspection result normal? YES >> Replace A/C auto amp. Refer to HAC-188, "Removal and Installation".
NO >> Repair harness or connector.
B2636, B2637, B2638, B2639, B2654, B2655 mode door motor
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT-III
1. Turn ignition switch ON.
2. Select “Self Diagnostic Result” mode of “HVA ...
B27B0 A/C auto AMP.
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC is displayed along with DTC U1000, first perform the trouble diagnosis
for DTC U1000. Refer to HAC-
141, "DTC Logic".
• If DTC is disp ...
Other materials:
Door lock operation warning does not operate
Diagnosis Procedure
1.CHECK DOOR LOCK FUNCTION
Check door lock function.
Does door lock/unlock using door request switch?
YES >> GO TO 2.
NO >> Refer to DLK-85, "Component Function Check".
2.CHECK INTELLIGENT KEY WARNING BUZZER
Check Intelligent Key warning buzzer. ...
Moonroof (if so equipped)
WARNING
• In an accident you could be thrown from the vehicle through an open moonroof.
Always use seat belts and child restraints.
• Do not allow anyone to stand up or extend any portion of their body out of the
moonroof opening while the vehicle is in motion or while the moonroof is clos ...
B2099 ignition relay off stuck
Description
The ignition relay integrated in IPDM E/R is operated with ignition switch ON
signal from the ignition switch.
DTC Logic
DTC DETECTION LOGIC
NOTE:
When IPDM E/R power supply voltage is low (Approx. 7 - 8 V for about 1 second),
the “DTC: B2099” may be detected.
1.PERFORM ...
