Nissan Juke Service and Repair Manual : Compressor dose dot operate
Description
SYMPTOM Compressor dose not operate.
Diagnosis Procedure
NOTE
:
• Perform self-diagnosis with CONSULT-III before performing symptom diagnosis.
If any malfunction result or
DTC is detected, perform the corresponding diagnosis.
• Check that refrigerant is enclosed in cooler cycle normally. If the refrigerant amount is shortage from proper amount, perform the inspection of refrigerant leakage 1.CHECK A/C INDICATOR
1. Turn ignition switch ON.
2. Operate blower motor.
3. Check that A/C indicator is turned ON/OFF when operating A/C switch.
Is the inspection result normal? YES >> GO TO 2.
NO >> GO TO 5.
2.CHECK MAGNET CLUTCH OPERATION
Check magnet clutch. Refer to HAC-232, "Component Function Check".
Does it operate normally? YES >> GO TO 3.
NO >> Repair or replace malfunctioning parts.
3.CHECK REFRIGERANT PRESSURE SENSOR
Check refrigerant pressure sensor. Refer to EC-423, "Component Function Check".
Is the inspection result normal? YES >> GO TO 4.
NO >> Repair or replace malfunctioning parts.
4.CHECK BCM OUTPUT SIGNAL
With CONSULT-III
1. Select “DATA MONITOR” mode of “ECM” using CONSULT-III.
2. Select “AIR COND SIG” and “HEATER FAN SW”, and check status under the following conditions.

Is the inspection result normal? YES >> Replace IPDM E/R. Refer to PCS-34, "Removal and Installation" (with Intelligent Key) or PCS-63, "Removal and Installation" (without Intelligent Key).
NO >> Replace BCM. Refer to BCS-93, "Removal and Installation" (with Intelligent Key) or BCS-161, "Removal and Installation" (without Intelligent Key).
5.CHECK A/C SWITCH
Check A/C switch. Refer to HAC-220, "Component Function Check".
Is the inspection result normal? YES >> GO TO 6.
NO >> Repair or replace the malfunctioning parts.
6.CHECK BLOWER FAN ON SIGNAL
Check blower fan ON signal. Refer to HAC-222, "Component Function Check".
Is the inspection result normal? YES >> GO TO 7.
NO >> Repair or replace the malfunctioning parts 7.CHECK THERMO CONTROL AMP.
Check thermo control amp. Refer to HAC-224, "Component Function Check".
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 or replace the malfunctioning parts
Insufficient heating
Description
Symptom
• Insufficient heating
• No warm air comes out. (Air flow volume is normal.)
Diagnosis Procedure
NOTE:
Perform self-diagnosis with CONSULT-III before performing symptom diagn ...
Other materials:
Precaution Necessary for Steering Wheel Rotation after Battery Disconnect
NOTE:
• Before removing and installing any control units, first turn the ignition
switch to the LOCK position, then disconnect
both battery cables.
• After finishing work, confirm that all control unit connectors are connected
properly, then re-connect both
battery cables.
• Always use CONS ...
SPEED LIMITER MAIN SWITCH
Component Function Check
1.CHECK SPEED LIMITER MAIN SWITCH FUNCTION
With CONSULT-III
1. Turn ignition switch ON.
2. Select “SL MAIN SW” in “DATA MONITOR” mode of “ENGINE” using CONSULT-III.
3. Check “SL MAIN SW” indication as per the following condition.
Without CONSULT-III
1. Turn ignition ...
B20A0 cranking request circuit
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC B20A0 is displayed with DTC U1000, first perform the trouble diagnosis
for DTC U1000. Refer to PCS-
59, "DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Perform DTC CONFIRMATION PROCEDURE for DTC P1650. Re ...

