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, and check status under the following condition.
Is the inspection result normal? YES >> INSPECTION END
NO >> Refer to HAC-222, "Diagnosis Procedure".
Diagnosis Procedure
1.CHECK FAN SWITCH POWER SUPPLY SIGNAL
1. Turn ignition switch OFF.
2. Disconnect A/C control harness connector.
3. Turn ignition switch ON.
4. Check output waveform between A/C control and ground with using oscilloscope.
Is the inspection result normal? YES >> Replace A/C control. Refer to HAC-239, "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 control 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 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.
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, ...
Thermo control amplifier
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 “THERMO AMP” in “DATA MONITOR” mode, ...
Other materials:
P0037, P0038 HO2S2 heater
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform
the following procedure before conducting the next test.
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switc ...
Additional service when replacing ECM
Description
When replacing ECM, this procedure must be performed.
Work Procedure
1.PERFORM INITIALIZATION OF NATS SYSTEM AND REGISTRATION OF ALL NATS
IGNITION KEY IDS
Refer to SEC-50, "BCM : Special Repair Requirement" (With intelligent key
system), SEC-190, "BCM : Work
Proce ...
Diagnosis Procedure
WARNING:
• Before servicing, turn ignition switch OFF, disconnect battery negative
terminal and wait at least 3
minutes. (To discharge backup capacitor.)
• Never use unspecified tester or other measuring device.
1.CHECK HARNESS CONNECTOR
Check the harness connector.
Is the inspection res ...