Nissan Pathfinder. Manual — part 604
EXL-104
< BASIC INSPECTION >
DIAGNOSIS AND REPAIR WORKFLOW
DETAILED FLOW
1.
INTERVIEW FOR MALFUNCTION
Find out what the customer's concerns are.
>> GO TO 2.
2.
SYMPTOM CHECK
Verify the symptom from the customer's information.
>> GO TO 3.
3.
BASIC INSPECTION
Check the operation of each part. Check any concerns that occur other than those mentioned in the customer
interview.
>> GO TO 4.
4.
SELF-DIAGNOSIS WITH CONSULT
Perform the self-diagnosis with CONSULT. Check that any DTC is detected.
Is any DTC detected?
YES
>> GO TO 5.
NO
>> GO TO 6.
5.
TROUBLE DIAGNOSIS BY DTC
Perform the trouble diagnosis for the detected DTC. Specify the malfunctioning part.
>> GO TO 9.
6.
FAIL-SAFE ACTIVATION CHECK
Determine if the customer's concern is related to fail-safe activation.
Does the fail-safe activate?
YES
>> GO TO 7.
NO
>> GO TO 8.
7.
SYSTEM DIAGNOSIS
Perform the system diagnosis for the system in which the fail-safe activates. Specify the malfunctioning part.
>> GO TO 9.
8.
SYMPTOM DIAGNOSIS
Perform the symptom diagnosis. Refer to
.
>> GO TO 9.
9.
MALFUNCTION PART REPAIR
Repair or replace the malfunctioning part.
>> GO TO 10.
10.
REPAIR CHECK (SELF-DIAGNOSIS WITH CONSULT)
Perform the self-diagnosis with CONSULT. Verify that no DTCs are detected. Erase all DTCs detected prior to
the repair. Verify that DTC is not detected again.
Is any DTC detected?
DIAGNOSIS AND REPAIR WORKFLOW
EXL-105
< BASIC INSPECTION >
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
YES
>> GO TO 5.
NO
>> GO TO 11.
11.
REPAIR CHECK (OPERATION CHECK)
Check the operation of each part.
Does it operate normally?
YES
>> Inspection End.
NO
>> GO TO 3.
EXL-106
< DTC/CIRCUIT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
DTC/CIRCUIT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
BCM (BODY CONTROL MODULE)
BCM (BODY CONTROL MODULE) : Diagnosis Procedure
INFOID:0000000009764019
Regarding Wiring Diagram information, refer to
.
1.
CHECK FUSE AND FUSIBLE LINK
Check that the following fuse and fusible link are not blown.
Is the fuse or fusible link blown?
YES
>> Replace the blown fuse or fusible link after repairing the affected circuit.
NO
>> GO TO 2
2.
CHECK POWER SUPPLY CIRCUIT
1. Disconnect BCM connector M81.
2. Check voltage between BCM connector M81 terminals 131, 139 and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness or connectors.
3.
CHECK GROUND CIRCUIT
Check continuity between BCM connector M81 terminals 134, 143 and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair or replace harness or connectors.
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM) : Di-
agnosis Procedure
INFOID:0000000009764018
Regarding Wiring Diagram information, refer to
.
Terminal No.
Signal name
Fuse and fusible link No.
139
Fusible link battery power
O (40A)
131
BCM battery fuse
1 (10A)
BCM
Ground
Voltage
(Approx.)
Connector
Terminal
M81
131
—
Battery voltage
139
BCM
Ground
Continuity
Connector
Terminal
M81
134
—
Yes
143
POWER SUPPLY AND GROUND CIRCUIT
EXL-107
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
1.
CHECK FUSIBLE LINKS
Check that the following fusible links are not blown.
Is the fusible link blown?
YES
>> Replace the blown fusible link after repairing the affected circuit.
NO
>> GO TO 2
2.
CHECK POWER SUPPLY CIRCUIT
1. Disconnect IPDM E/R connectors E118 and E120.
2. Check voltage between IPDM E/R connectors and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness or connectors.
3.
CHECK GROUND CIRCUIT
1. Disconnect IPDM E/R connectors E119 and E121.
2. Check continuity between IPDM E/R connectors and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair or replace harness or connectors.
Terminal No.
Signal name
Fusible link No.
1
Fusible link main
E (80A)
2
Fusible link IPDM E/R
A (250A), C (80A)
3
Fusible link ignition switch
A (250A), B (100A), K (40A)
IPDM E/R
Ground
Voltage
(Approx.)
Connector
Terminal
E118
1
—
Battery voltage
2
E120
3
IPDM E/R
Ground
Continuity
Connector
Terminal
E121
7
—
Yes
E119
41
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