Nissan Juke Service and Repair Manual : A/C switch
Component Function Check
1.CHECK A/C ON SIGNAL
With CONSULT-III
1. Turn ignition switch ON.
2. Select “AIR CONDITIONER” of “BCM” using CONSULT-III.
3. Select “AIR COND SW” in “DATA MONITOR” mode, and check status under the following condition.

Is the inspection result normal? YES >> INSPECTION END
NO >> Refer to HAC-220, "Diagnosis Procedure".
Diagnosis Procedure
1.CHECK A/C SWITCH POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect A/C control connector.
3. Turn ignition switch ON.
4. Check output waveform between A/C control harness connector and ground with using oscilloscope.

Is the inspection result normal? YES >> GO TO 2.
NO >> GO TO 3.
2.CHECK A/C SWITCH GROUND CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check continuity between A/C control harness connector and ground.

Is the inspection result normal? YES >> Replace A/C control. Refer to HAC-239, "Removal and Installation".
NO >> Repair harness or connector.
3.CHECK A/C SWITCH POWER SUPPLY CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check continuity between A/C control harness connector and BCM harness connector.

Is the inspection result normal? YES >> GO TO 4.
NO >> Repair harness or connector.
4.CHECK A/C SWITCH POWER SUPPLY CIRCUIT FOR SHORT
Check continuity between A/C control harness connector and ground.

Is the inspection result normal? YES >> Replace BCM. Refer to BCS-93, "Removal and Installation" (with Intelligent Key) or BCS-161, "Removal and Installation" (without Intelligent Key).
NO >> Repair harness or connector.
Blower fan on signal
Component Function Check
1.CHECK BLOWER FAN ON SIGNAL
With CONSULT-III
1. Turn ignition switch ON.
2. Select “AIR CONDITIONER” of “BCM” using CONSULT-III.
3. Select “FAN ON SIG” in ...
Other materials:
System
Engine control system : System Diagram
Engine control system : System Description
ECM performs various controls such as fuel injection control and ignition
timing control.
MULTIPORT FUEL INJECTION SYSTEM
Multiport fuel injection system : System Diagram
Multiport fuel injection system : ...
Heater control
Exploded View
1. Intake door cable
2. Air mix door cable
3. Mode door cable
4. Heater control
5. Intake door lever knob
A. To intake door link
B. To air mix door link
C. To mode door link
Removal and Installation
REMOVAL
1. Remove A/C finisher. Refer to IP-13, "Removal and Ins ...
Duct and grille
Exploded View
FRONT
LHD models
1. A/C unit assembly
2. Side ventilator duct LH
3. Foot duct LH
4. Side defroster nozzle LH
5. Side ventilator grille LH
6. Side defroster grille LH
7. Instrument panel assembly
8. Center ventilator grille LH
9. Cluster lid C
10. Center ventilator g ...

