Nissan March K13. Instruction — part 69
DEF-14
< BASIC INSPECTION >
DIAGNOSIS AND REPAIR WORK FLOW
BASIC INSPECTION
DIAGNOSIS AND REPAIR WORK FLOW
Work Flow
INFOID:0000000006067619
DETAILED FLOW
1.
OBTAIN INFORMATION ABOUT SYMPTOM
Interview the customer to obtain the malfunction information (conditions and environment when the malfunc-
tion occurred) as much as possible when the customer brings the vehicle in.
>> GO TO 2.
2.
CHECK FOR DTC
Perform self diagnosis with CONSULT-III
Is any DTC detected?
YES
>> BCM: Refer to
(With Intelligent Key system) or
(Without Intelligent Key system).
NO
>> GO TO 3.
3.
REPRODUCE THE MALFUNCTION INFORMATION
Check the malfunction on the vehicle that the customer describes.
Inspect the relation of the symptoms and the condition when the symptoms occur.
>> GO TO 4.
4.
IDENTIFY THE MALFUNCTIONING SYSTEM WITH “SYMPTOM DIAGNOSIS”
Use “Symptom diagnosis” from the symptom inspection result in step 3. Then identify where to start perform-
ing the diagnosis based on possible causes and symptoms.
>> GO TO 5.
5.
IDENTIFY MALFUNCTIONING PARTS WITH “COMPONENT DIAGNOSIS”
Perform the diagnosis with “Component diagnosis” of the applicable system.
>> GO TO 6.
6.
REPAIR OR REPLACE THE MALFUNCTIONING PARTS
Repair or replace the specified malfunctioning parts.
>> GO TO 7.
7.
FINAL CHECK
Check that malfunctions are not reproduced when obtaining the malfunction information from the customer,
referring to the symptom inspection result in step 3.
Are all malfunctions corrected?
YES
>> INSPECTION END
NO
>> GO TO 4.
REAR WINDOW DEFOGGER SWITCH
DEF-15
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
DEF
N
O
P
DTC/CIRCUIT DIAGNOSIS
REAR WINDOW DEFOGGER SWITCH
WITH AUTO A/C
WITH AUTO A/C : Component Function Check
INFOID:0000000006067621
1.
CHECK FUNCTION
Check (REAR DEF SW) in BCM “DATA MONITOR” mode using CONSULT-III when rear window defogger
switch is ON.
Is the inspection result normal?
YES
>> Rear window defogger switch function is OK.
NO
>> Refer to
DEF-15, "WITH AUTO A/C : Diagnosis Procedure"
WITH AUTO A/C : Diagnosis Procedure
INFOID:0000000006067622
1.
CHECK BCM OUTPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect A/C auto amp. connector.
3.
Check signal between A/C auto amp. harness connector and ground using oscilloscope.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK REAR WINDOW DEFOGGER SWITCH CIRCUIT
1.
Disconnect BCM connector.
2.
Check continuity between BCM harness connector and A/C auto amp. harness connector.
3.
Check continuity between BCM harness connector and ground.
*1:With intelligent key
*2:Without intelligent key
Is the inspection result normal?
(+)
(–)
Voltage (V)
(Approx.)
A/C auto amp.
Connector
Terminal
M50
27
Ground
JPMIA0012GB
BCM
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M68
*1
M65
*2
15
*1
10
*2
M50
27
Existed
BCM
Ground
Continuity
Connector
Terminal
M68
*1
M65
*2
15
*1
10
*2
Not existed
DEF-16
< DTC/CIRCUIT DIAGNOSIS >
REAR WINDOW DEFOGGER SWITCH
YES
>> Replace BCM. Refer to
BCS-57, "Removal and Installation"
(with intelligent key) or
(without intelligent key).
NO
>> Repair or replace harness.
3.
CHECK GROUND CIRCUIT
Check continuity between A/C auto amp. harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace A/C auto amp. Refer to
HAC-75, "Removal and Installation"
4.
CHECK INTERMITTENT INCIDENT
GI-33, "Intermittent Incident"
>> INSPECTION END
WITHOUT AUTO A/C
WITHOUT AUTO A/C : Description
INFOID:0000000006067624
• The rear window defogger is operated by turning the rear window defogger switch ON.
• The indicator lamp in the rear window defogger illuminates when the rear window defogger is operating.
WITHOUT AUTO A/C : Component Function Check
INFOID:0000000006067625
1.
CHECK FUNCTION
Check (REAR DEF SW) in BCM “DATA MONITOR”mode using CONSULT-III when rear window defogger
switch is ON.
Is the inspection result normal?
YES
>> Rear window defogger switch function is OK.
NO
>> Refer to
DEF-16, "WITHOUT AUTO A/C : Diagnosis Procedure"
WITHOUT AUTO A/C : Diagnosis Procedure
INFOID:0000000006067626
1.
CHECK BCM OUTPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect A/C control connector.
3.
Check voltage between A/C control harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK REAR WINDOW DEFOGGER SWITCH CIRCUIT
1.
Disconnect BCM connector.
2.
Check continuity between BCM harness connector and A/C control harness connector.
A/C auto amp.
Ground
Continuity
Connector
Terminal
M50
21
Existed
23
(+)
(–)
Voltage (V)
(Approx.)
A/C control
Connector
Terminal
M53
10
Ground
12
REAR WINDOW DEFOGGER SWITCH
DEF-17
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
DEF
N
O
P
3.
Check continuity between BCM harness connector and ground.
*1:With intelligent key
*2:Without intelligent key
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-57, "Removal and Installation"
(with intelligent key) or
(without intelligent key).
NO
>> Repair or replace harness.
3.
CHECK GROUND CIRCUIT
Check continuity between A/C control harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK REAR WINDOW DEFOGGER SWITCH
DEF-17, "WITHOUT AUTO A/C : Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace A/C control. Refer to
HAC-115, "Removal and Installation"
5.
CHECK INTERMITTENT INCIDENT
GI-33, "Intermittent Incident"
.
>> INSPECTION END
WITHOUT AUTO A/C : Component Inspection
INFOID:0000000006067627
1.
CHECK REAR WINDOW DEFOGGER SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect A/C control connector.
3.
Check continuity between A/C control terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace A/C control. Refer to
HAC-115, "Removal and Installation"
BCM
A/C control
Continuity
Connector
Terminal
Connector
Terminal
M68
*1
M65
*2
15
*1
10
*2
M53
10
Existed
BCM
Ground
Continuity
Connector
Terminal
M68
*1
M65
*2
15
*1
10
*2
Not existed
A/C control
Ground
Continuity
Connector
Terminal
M53
8
Existed
A/C control
Condition
Continuity
Terminal
10
8
Rear window defogger switch
Pressed
Existed
Released
Not existed
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