Nissan X-Trail 32. Instruction — part 1398
AUTOMATIC AIR CONDITIONING SYSTEM
HAC-67
< WIRING DIAGRAM >
[AUTOMATIC AIR CONDITIONING]
C
D
E
F
G
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J
K
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M
A
B
HAC
N
O
P
JRIWC2455GB
HAC-68
< WIRING DIAGRAM >
[AUTOMATIC AIR CONDITIONING]
AUTOMATIC AIR CONDITIONING SYSTEM
JRIWC2456GB
DIAGNOSIS AND REPAIR WORK FLOW
HAC-69
< BASIC INSPECTION >
[AUTOMATIC AIR CONDITIONING]
C
D
E
F
G
H
J
K
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M
A
B
HAC
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O
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BASIC INSPECTION
DIAGNOSIS AND REPAIR WORK FLOW
Work Flow
INFOID:0000000010939723
OVERALL SEQUENCE
DETAILED FLOW
JMIIA2097GB
HAC-70
< BASIC INSPECTION >
[AUTOMATIC AIR CONDITIONING]
DIAGNOSIS AND REPAIR WORK FLOW
1.
GET INFORMATION FOR SYMPTOM
1.
Get detailed information from the customer about the symptom (the condition and the environment when
the incident/malfunction occurs).
2.
Check operation condition of the function that is malfunctioning.
>> GO TO 2.
2.
CHECK DTC
1.
Check DTC.
2.
Perform the following procedure if DTC is detected.
-
Record DTC and freeze frame data (Print them out using CONSULT.)
-
Erase DTC.
-
Study the relationship between the cause detected by DTC and the symptom described by the customer.
3.
Check related service bulletins for information.
Are any symptoms described and any DTC detected?
Symptom is described, DTC is detected>>GO TO 3.
Symptom is described, DTC is not detected>>GO TO 4.
Symptom is not described, DTC is detected>>GO TO 7.
3.
CONFIRM THE SYMPTOM
Try to confirm the symptom described by the customer.
Also study the normal operation and fail-safe related to the symptom.
Verify relation between the symptom and the condition when the symptom is detected.
>> GO TO 7.
4.
CONFIRM THE SYMPTOM
Try to confirm the symptom described by the customer.
Also study the normal operation and fail-safe related to the symptom.
Verify relation between the symptom and the condition when the symptom is detected.
>> GO TO 5.
5.
SELF-DIAGNOSIS WITH ON BOARD DIAGNOSIS SYSTEM
Perform the self-diagnosis with on board diagnosis. Check that whether malfunction result is detected or not.
Is malfunction result detected?
YES
>> GO TO 6.
NO
>> GO TO 8.
6.
TROUBLE DIAGNOSIS BY MALFUNCTION
Perform the trouble diagnosis for the detected malfunction result. Specify the malfunctioning part.
>> GO TO 9.
7.
PERFORM DTC CONFIRMATION PROCEDURE
Perform DTC CONFIRMATION PROCEDURE for the detected DTC, and then check that DTC is detected
again. At this time, always connect CONSULT to the vehicle, and check self diagnostic results in real time.
If two or more DTCs are detected, refer to DTC INSPECTION PRIORITY CHART, and determine trouble diag-
nosis order.
NOTE:
• Freeze frame data is useful if the DTC is not detected.
• Perform Component Function Check if DTC CONFIRMATION PROCEDURE is not included on Service
Instruction. This simplified check procedure is an effective alternative though DTC cannot be detected during
this check.
If the result of Component Function Check is NG, it is the same as the detection of DTC by DTC CONFIR-
MATION PROCEDURE.
Is DTC detected?
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