Nissan Sentra. Instruction — part 598
DIAGNOSIS AND REPAIR WORKFLOW
INL-39
< BASIC INSPECTION >
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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 that any concerns 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
. Specify the malfunctioning part.
>> 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?
YES
>> GO TO 5.
INL-40
< BASIC INSPECTION >
DIAGNOSIS AND REPAIR WORKFLOW
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.
POWER SUPPLY AND GROUND CIRCUIT
INL-41
< DTC/CIRCUIT DIAGNOSIS >
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DTC/CIRCUIT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
BCM (BODY CONTROL SYSTEM) (WITH INTELLIGENT KEY SYSTEM)
BCM (BODY CONTROL SYSTEM) (WITH INTELLIGENT KEY SYSTEM) : Diagnosis
Procedure
INFOID:0000000010304819
Regarding Wiring Diagram information, refer to
.
1.
CHECK FUSES AND FUSIBLE LINK
Check that the following fuses and fusible link are not blown.
Is the fuse 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 M85.
2. Check voltage between BCM connector M85 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
Check continuity between BCM connector M85 and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair harness or connector.
BCM (BODY CONTROL SYSTEM) (WITHOUT INTELLIGENT KEY SYSTEM)
BCM (BODY CONTROL SYSTEM) (WITHOUT INTELLIGENT KEY SYSTEM) : Diag-
nosis Procedure
INFOID:0000000010304810
Regarding Wiring Diagram information, refer to
.
Terminal No.
Signal name
Fuses and fusible link No.
88
Battery power supply
12 (10A)
90
G (40A)
BCM
Ground
Voltage
Connector
Terminal
M85
88
—
Battery voltage
90
BCM
Ground
Continuity
Connector
Terminal
M85
93
—
Yes
INL-42
< DTC/CIRCUIT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
1.
CHECK FUSES AND FUSIBLE LINK
Check that the following fuses and fusible link are not blown.
Is the fuse blown?
YES
>> Replace the blown fuse or fusible link after repairing the affected circuit.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connectors.
3. Check voltage between BCM connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
Check continuity between BCM connector and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair harness or connector.
Terminal No.
Signal name
Fuses and fusible link No.
63
Battery power supply
12 (10A)
70
G (40A)
11
Ignition switch ACC or ON
18 (10A)
BCM
Ground
Ignition switch position
Connector
Terminal
OFF
ACC
ON
M20
63
Battery voltage
Battery voltage
Battery voltage
70
M21
11
—
0 V
Battery voltage
Battery voltage
BCM
Ground
Continuity
Connector
Terminal
M20
65
—
Yes
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