Nissan Juke Service and Repair Manual : A/C on signal
Component Function Check
1.CHECK A/C ON SIGNAL
With CONSULT-III
1. Turn ignition switch ON.
2. Operate blower motor.
3. Select “AIR CONDITIONER” of “BCM” using CONSULT-III.
4. Select “AIR COND SW” in “DATA MONITOR” mode.
5. Check A/C ON signal when the A/C switch is operated.
Is the inspection result normal? YES >> INSPECTION END
NO >> Refer to HAC-75, "Diagnosis Procedure".
Diagnosis Procedure
1.CHECK A/C ON SIGNAL
1. Turn ignition switch OFF.
2. Disconnect A/C auto amp. connector.
3. Turn ignition switch ON.
4. Check output waveform between A/C auto amp. harness connector and ground with using oscilloscope
Is the inspection result normal? YES >> Replace A/C auto amp. Refer to HAC-91, "Removal and Installation".
NO >> GO TO 2.
2.CHECK A/C ON SIGNAL CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check continuity between A/C auto amp. harness connector and BCM harness connector.
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair harness or connector.
3.CHECK A/C ON SIGNAL CIRCUIT FOR SHORT
Check continuity between A/C auto amp. 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.
Power supply and ground circuit
A/C auto AMP. : Diagnosis Procedure
1.CHECK SYMPTOM
Check symptom (A or B).
Which symptom is detected?
A >> GO TO 2.
B >> GO TO 5.
2.CHECK FUSE
1. Turn ignition switch OFF.
2 ...
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 “DATA MONITOR” ...
Other materials:
Line pressure test
Work Procedure
INSPECTION
1. Check the engine oil level. Replenish if necessary. LU-25, "Inspection".
2. Check for leak of the CVT fluid. Refer to TM-480, "Inspection".
3. Drive for about 10 minutes to warm up the vehicle so that the CVT fluid
temperature is 50 to 80°C (122 ...
Wiring diagram
Engine control system
For connector terminal arrangements, harness layouts, and alphabets in a
(option abbreviation; if not
described in wiring diagram), refer to GI-12, "Connector Information/Explanation
of Option Abbreviation".
...
System
System Diagram
System Description
REFRIGERANT CYCLE
Refrigerant Flow
The refrigerant from the compressor, flows the condenser with liquid tank, the
evaporator, and returns to the
compressor. The refrigerant evaporation in the evaporator is controlled by an
expansion valve.
Freeze Prote ...
