Nissan Juke Service and Repair Manual : B2632, B2633 air mix door motor PBR
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-155, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK AIR MIX DOOR MOTOR POWER SUPPLY
1. Turn ignition switch ON.
2. Check voltage between mode door motor harness connector and ground.

Is the inspection result normal? YES >> GO TO 2.
NO >> GO TO 5.
2.CHECK AIR MIX DOOR MOTOR GROUND CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Disconnect air mix door motor and A/C auto amp. connector.
3. Check continuity between air mix 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 AIR MIX DOOR MOTOR LIN SIGNAL
1. Connect air mix door motor and A/C auto amp. connector.
2. Turn ignition switch ON.
3. Confirm output waveform between air mix 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 AIR MIX DOOR MOTOR
Check air mix door motor is properly installed. Refer to HAC-195, "Exploded View".
Is the inspection result normal? YES >> Replace air mix door motor. Refer to HAC-197, "AIR MIX DOOR MOTOR : Removal and Installation".
NO >> Repair or replace malfunctioning part.
5.CHECK AIR MIX DOOR MOTOR POWER SUPPLY CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Disconnect air mix door motor and A/C auto amp. connector.
3. Check continuity between air mix 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 AIR MIX DOOR MOTOR LIN SIGNAL CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Disconnect air mix door motor and A/C auto amp. connector.
3. Check continuity between air mix 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.

B2630, B2631 sunload sensor
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 displa ...
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 ...
Other materials:
LAN System can system (type 5)
DTC/CIRCUIT DIAGNOSIS
Main line between IPDM-E and DLC circuit
Diagnosis Procedure
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the following terminals and connectors for damage, bend and loose
connection (connector s ...
Engine smokes when started
Description
CHART 18: ENGINE SMOKES WHEN STARTED
Diagnosis Procedure
1.CHECK ENGINE OIL
Check the grade of engine oil. Refer to LU-33, "Inspection".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace engine oil. Refer to LU-34, "Refilling".
2 ...
Basic inspection
DIAGNOSIS AND REPAIR WORK FLOW
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
NOTE:
If any malfunction is found, immediately disconnect the battery cable from the
negative terminal.
1.CHECK ENGINE START
Crank the engine and check that the engine starts.
Does the engine start?
YES >> ...
