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 “DATA MONITOR” ...
Other materials:
P0078 EVT control solenoid valve
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 swit ...
B263D, B263E, B263F intake 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” using CONSULT-III.
3. Check DTC.
Is DTC detected?
YES >> Refer to HAC-159, "Diagnosis P ...
Additional service when replacing TCM
Description
Always perform the following items when the TCM is replaced.
CHECK LOADING OF CALIBRATION DATA
• The TCM acquires calibration data (individual characteristic value) of each
solenoid that is stored in the
ROM assembly (in the control valve). This enables the TCM to perform accurat ...
