Nissan Rogue. Manual — part 756
HAC-46
< BASIC INSPECTION >
[AUTOMATIC AIR CONDITIONING]
DIAGNOSIS AND REPAIR WORKFLOW
BASIC INSPECTION
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
INFOID:0000000011276583
OVERALL SEQUENCE
DETAILED FLOW
1.
INTERVIEW CUSTOMER
Interview the customer to obtain as much information as possible about the conditions and environment under
which the malfunction occurred.
ALIIA0440GB
DIAGNOSIS AND REPAIR WORKFLOW
HAC-47
< BASIC INSPECTION >
[AUTOMATIC AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
>> GO TO 2.
2.
SYMPTOM CHECK
Verify symptoms.
>> GO TO 3.
3.
CHECK FOR DTCS
With CONSULT
1. Turn ignition switch ON.
2. Select “Self Diagnostic Result” of “HVAC”.
3. Check DTC.
Is any DTC detected?
YES
>> GO TO 4.
NO
>> GO TO 5.
4.
TROUBLE DIAGNOSIS BY DTC
Perform the diagnostic procedure for the detected DTC. Refer to
HAC-32, "DTC Inspection Priority Chart"
>> GO TO 7.
5.
OPERATION CHECK
Perform the operation check. Refer to
.
>> GO TO 6.
6.
SYMPTOM DIAGNOSIS
Check the symptom diagnosis table. Refer to
HAC-96, "Diagnosis Chart By Symptom"
>> GO TO 8.
7.
VERIFY REPAIR.
With CONSULT
1. Turn ignition switch ON.
2. Select “Self Diagnostic Result” of “HVAC”.
3. Check DTC.
Is any DTC detected?
YES
>> GO TO 4.
NO
>> GO TO 8.
8.
PERFORM FINAL OPERATION CHECK
Perform the operation check. Refer to
.
Does it operate normally?
YES
>> Inspection End.
NO
>> GO TO 2.
HAC-48
< BASIC INSPECTION >
[AUTOMATIC AIR CONDITIONING]
OPERATION INSPECTION
OPERATION INSPECTION
Work Procedure
INFOID:0000000011276584
DESCRIPTION
The purpose of the operational check is to check that the individual system operates normally.
INSPECTION PROCEDURE
1.
CHECK MEMORY FUNCTION
1. Start the engine.
2. Operate the temperature control switch (driver side) and raise the temperature setting to 32
°C (90°F).
3. Press the OFF switch.
4. Turn the ignition switch OFF.
5. Turn the ignition switch ON.
6. Press the AUTO switch.
7. Check that the temperature setting, before turning the ignition switch OFF, is stored.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Check power and ground circuits for A/C auto amp. Refer to
.
2.
CHECK BLOWER MOTOR SPEED
1. Operate the fan control dial. Check that the fan speed changes.
2. Check the operation for all fan speeds.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Check blower motor system. Refer to
.
3.
CHECK DISCHARGE AIR (MODE SWITCH AND DEF SWITCH)
1. Press the MODE switch and the DEF switch.
2. Check that the air outlets change according to each indicated air outlet by placing a hand in front of the
outlets. Refer to
NOTE:
Confirm that the A/C compressor clutch is engaged (sound or visual inspection) and intake door position is at
FRE (
) when the D/F (
) or DEF (
) is selected.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Check mode door system. Refer to
.
4.
CHECK INTAKE AIR
1. Press the REC (
) switch. Indicator is turned ON.
2. Press the FRE (
) switch. Indicator is turned ON.
3. Listen for the intake door position change. (Slight change of blower sound can be heard.)
NOTE:
Confirm that the A/C compressor clutch is engaged (sound or visual inspection) and the FRE (
) switch is
pressed when the D/F (
) or DEF (
) is selected.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Check intake door system. Refer to
.
5.
CHECK A/C SWITCH
1. Press the A/C switch.
2. The A/C switch indicator is turned ON.
Confirm that the A/C compressor clutch engages (sound or visual inspection).
Is the inspection result normal?
YES
>> GO TO 6.
Conditions
: Engine running at normal operating temperature
OPERATION INSPECTION
HAC-49
< BASIC INSPECTION >
[AUTOMATIC AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
NO
>> Check magnet clutch system. Refer to
.
6.
CHECK TEMPERATURE DECREASE
1. Operate the A/C compressor.
2. Operate the temperature control dial (driver side) and lower the temperature setting to 18
°C (60°F).
3. Check that the cool air blows from the outlets.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Check for insufficient cooling. Refer to
.
7.
CHECK TEMPERATURE INCREASE
1. Operate the temperature control dial (driver side) and raise the temperature setting to 32
°C (90°F) after
warming up the engine.
2. Check that the warm air blows from the outlets.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Check for insufficient heating. Refer to
8.
CHECK DUAL MODE FUNCTION
1. Press the DUAL mode switch, and then check that “DUAL” is shown on the display.
2. Operate the temperature control dial (driver side). Check that the discharge air temperature (driver side)
changes.
3. Operate the temperature control dial (passenger side). Check that the discharge air temperature (passen-
ger side) changes.
4. Press the DUAL mode switch, and then check that the temperature setting (driver/passenger) is unified to
the driver side temperature setting.
Is the inspection result normal?
YES
>> GO TO 9.
NO
>> Refer to
HAC-96, "Diagnosis Chart By Symptom"
and perform the appropriate diagnosis.
9.
CHECK AUTO MODE
1. Press the AUTO switch, and then check that “AUTO” is shown on the display.
2. Operate the temperature control dial (driver side). Check that the fan speed, outlet air or intake air
changes. The discharge air temperature or fan speed varies depending on the ambient temperature, in-
vehicle temperature, and temperature setting.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Refer to
HAC-96, "Diagnosis Chart By Symptom"
and perform the appropriate diagnosis.
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