Nissan Juke Service and Repair Manual : 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” mode.
4. Check blower fan ON signal when the fan control dial is operated.

Is the inspection result normal? YES >> INSPECTION END
NO >> Refer to HAC-77, "Diagnosis Procedure".
Diagnosis Procedure
1.CHECK BLOWER FAN ON SIGNAL
1. Turn ignition switch OFF.
2. Disconnect A/C auto amp. harness connector.
3. Turn ignition switch ON.
4. Check output waveform between A/C auto amp. 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 BLOWER FAN ON SIGNAL CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check continuity 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 BLOWER FAN 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
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 S ...
Blower motor
Diagnosis Procedure
1.CHECK FUSE
1. Turn ignition switch OFF.
2. Check following fuses.
- 10A fuse [No. 15, located in fuse block (J/B)]
- 15A fuses [Nos. 14 and 16, located in fuse block (J/B) ...
Other materials:
Component parts
Component Parts Location
1. Door request switch (driver side)
2. Door mirror (driver side)
3. Remote keyless entry receiver
Refer to DLK-21,
"Component Parts Location"
4. Door mirror remote control switch
5. BCM
Refer to BCS-6, "BODY CONTROL
SYSTEM : Component Parts Loca ...
How to select piston and bearing
Description
• The identification grade stamped on each part is the grade for the
dimension measured in new condition. This grade cannot apply to reused parts.
• For reused or repaired parts, measure the dimension accurately. Determine the
grade by comparing the
measurement with the values o ...
B2603 shift position
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC B2603 is displayed with DTC B2601, first perform the trouble diagnosis
for DTC B2601. Refer to
SEC-79, "DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE 1
1. Shift the selector lever to the P position.
2. T ...
