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 “HVAC” usi ...
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 displaye ...
Other materials:
Engine Oils
Prolonged and repeated contact with used engine oil may cause skin cancer.
Try to avoid direct skin contact
with used oil.
If skin contact is made, wash thoroughly with soap or hand cleaner as soon as
possible.
HEALTH PROTECTION PRECAUTIONS
• Avoid prolonged and repeated contact with oils, ...
Basic inspection
Inspection and adjustment
Additional service when replacing control unit (BCM)
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT (BCM) : Description
BEFORE REPLACEMENT
When replacing BCM, save or print current vehicle specification with
CONSULT-III configuration before
replacement.
NOTE:
If ...
Precaution Necessary for Steering Wheel Rotation after Battery Dis
NOTE:
• Before removing and installing any control units, first turn the ignition
switch to the LOCK position, then disconnect
both battery cables.
• After finishing work, confirm that all control unit connectors are connected
properly, then re-connect both
battery cables.
• Always use CONS ...
