Nissan Juke F15. Manual — part 873
DIAGNOSIS AND REPAIR WORK FLOW
HAC-127
< BASIC INSPECTION >
[MANUAL AIR CONDITIONING]
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Inspect according to Diagnosis Procedure of the system.
Is malfunctioning part detected?
YES
>> GO TO 8.
NO
>> Check according to
GI-45, "Intermittent Incident"
.
8.
REPAIR OR REPLACE THE MALFUNCTIONING PART
1. Repair or replace the malfunctioning part.
2. Reconnect parts or connectors disconnected during Diagnosis Procedure again after repair and replace-
ment.
3. Check DTC. If DTC is detected, erase it.
>> GO TO 9.
9.
FINAL CHECK
When DTC is detected in step 2, perform DTC CONFIRMATION PROCEDURE again, and then check that the
malfunction is repaired securely.
When symptom is described by the customer, refer to confirmed symptom in step 3 or 4, and check that the
symptom is not detected.
Is DTC detected and does symptom remain?
YES-1 >> DTC is detected: GO TO 7.
YES-2 >> Symptom remains: GO TO 4.
NO
>> Before returning the vehicle to the customer, always erase DTC.
HAC-128
< BASIC INSPECTION >
[MANUAL AIR CONDITIONING]
OPERATION INSPECTION
OPERATION INSPECTION
Work Procedure
INFOID:0000000012200120
The purpose of the operational check is to check that the individual system operates normally.
1.
CHECK BLOWER MOTOR
1. Operate fan control dial.
2. Check that fan speed changes. Check operation for all fan speeds.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> GO TO 8.
2.
CHECK DISCHARGE AIR
1. Operate fan control dial to set the fan speed to maximum speed.
2. Operate MODE dial to each position.
3. Check that air outlets change according to each indicated air outlet by placing a hand in front of the air
outlets. Refer to
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 8.
3.
CHECK INTAKE AIR
1. Operate intake lever to each position.
2. Listen to intake sound and confirm air inlets change.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 8.
4.
CHECK COMPRESSOR
1. Press A/C switch. The A/C switch indicator is turns ON.
2. Check visually and by sound that the compressor operates.
3. Press A/C switch again. The A/C switch indicator is turns OFF.
4. Check that compressor stops.
5. Operate MODE dial to D/F or DEF position. A/C switch indicator is turns ON.
6. Check visually and by sound that the compressor operates.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 8.
5.
CHECK DISCHARGE AIR TEMPERATURE
1. Operate temperature control dial.
2. Check that discharge air temperature changes.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> GO TO 8.
6.
CHECK TEMPERATURE DECREASE
1. Operate compressor.
2. Turn temperature control dial to full cold position.
3. Check that cool air blows from the air outlets.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> GO TO 8.
Check condition : Engine running at normal operating temperature.
OPERATION INSPECTION
HAC-129
< BASIC INSPECTION >
[MANUAL AIR CONDITIONING]
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7.
CHECK TEMPERATURE INCREASE
1. Turn temperature control dial to full hot position.
2. Check that warm air blows from air outlets.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 8.
8.
CHECK SELF-DIAGNOSIS WITH CONSULT
1. Perform self-diagnosis with CONSULT.
2. Check that any DTC is detected.
Is any DTC detected?
YES
>> Perform trouble diagnosis for the detected DTC.
NO
>> Refer to
and perform the appropriate diagnosis.
HAC-130
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
A/C SWITCH
DTC/CIRCUIT DIAGNOSIS
A/C SWITCH
Component Function Check
INFOID:0000000012200121
1.
CHECK A/C ON SIGNAL
With CONSULT
1. Turn ignition switch ON.
2. Select “AIR CONDITIONER” of “BCM” using CONSULT.
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-130, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000012200122
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. Check continuity between A/C control harness connector and ground.
Is the inspection result normal?
YES
>> Replace A/C control. Refer to
HAC-151, "Removal and Installation"
.
NO
>> Repair harness or connector.
3.
CHECK A/C SWITCH POWER SUPPLY CIRCUIT FOR OPEN
Monitor item
Condition
Status
AIR COND SW
A/C switch
While pushing
On
While not pushing
Off
+
−
Output waveform
A/C control
Connector
Terminal
M53
1
Ground
JPMIA0012GB
A/C control
—
Continuity
Connector
Terminal
M53
8
Ground
Existed
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