NISSAN TEANA 2014 Service Manual

LAN-72
< DTC/CIRCUIT DIAGNOSIS >[CAN SYSTEM (TYPE 1)]
DLC BRANCH LINE CIRCUIT
DLC BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000009461446
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connectors of the data link connector for damage, bend and loose connection (connector side and harness side).
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair the terminal and connector.
2.CHECK HARNESS FOR OPEN CIRCUIT
Check the resistance between the data link connector terminals.
Is the measurement value within the specification?
YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the data link connector branch line circuit.
NO >> Repair the data link connector branch line.
Data link connector Resistance (Ω)
Connector No. Terminal No.
M22 6 14 Approx. 54 – 66
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

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M&A BRANCH LINE CIRCUITLAN-73
< DTC/CIRCUIT DIAGNOSIS > [CAN SYSTEM (TYPE 1)]
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M&A BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000009461447
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cabl e from the negative terminal.
3. Check the terminals and connectors of the combination meter for damage, bend and loose connection (unit side and connector side).
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair the terminal and connector.
2.CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect the connector of combination meter.
2. Check the resistance between the combination meter harness connector terminals.
Is the measurement value within the specification?
YES >> GO TO 3.
NO >> Repair the combination meter branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the combination meter. Refer to MWI-58, "COMBINATION
METER : Diagnosis Procedure".
Is the inspection result normal?
YES (Present error)>>Replace the combination meter. Refer to MWI-82, "Removal and Installation".
YES (Past error)>>Error was detected in the combination meter branch line.
NO >> Repair the power supply and the ground circuit.
Combination meter harness connector Resistance (Ω)
Connector No. Terminal No.
M24 39 38 Approx. 54 – 66
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

LAN-74
< DTC/CIRCUIT DIAGNOSIS >[CAN SYSTEM (TYPE 1)]
STRG BRANCH LINE CIRCUIT
STRG BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000009461448
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connectors of the steering angle sensor for damage, bend and loose connection (unit side and connector side).
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair the terminal and connector.
2.CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect the connector of steering angle sensor.
2. Check the resistance between the steeri ng angle sensor harness connector terminals.
Is the measurement value within the specification?
YES >> GO TO 3.
NO >> Repair the steering angle sensor branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the steering angle sensor. Refer to BRC-47, "Wiring Dia-
gram".
Is the inspection result normal?
YES (Present error)>>Replace the steering angle sensor. Refer to BRC-132, "Removal and Installation".
YES (Past error)>>Error was detected in the steering angle sensor branch line.
NO >> Repair the power supply and the ground circuit.
Steering angle sensor harness connector Resistance (Ω)
Connector No. Terminal No.
M53 5 2 Approx. 54 – 66
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

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A-BAG BRANCH LINE CIRCUITLAN-75
< DTC/CIRCUIT DIAGNOSIS > [CAN SYSTEM (TYPE 1)]
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A-BAG BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000009461449
WARNING:
Always observe the following items fo r preventing accidental activation.
• Before servicing, turn ignition sw itch OFF, disconnect battery negative terminal, and wait 3 minutes
or more. (To discharge backup capacitor.)
• Never use unspecified tester or other measuring device.
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cabl e from the negative terminal.
3. Check the terminals and connectors of the air bag diagnosis sensor unit for damage, bend and loose con-
nection (unit side and connector side).
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace the main harness.
2.CHECK AIR BAG DIAGNOSIS SENSOR UNIT
Check the air bag diagnosis sensor unit. Refer to SRC-40, "Work Flow"
.
Is the inspection result normal?
YES >> Replace the main harness.
NO >> Replace parts whose air bag system has a malfunction.
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LAN-76
< DTC/CIRCUIT DIAGNOSIS >[CAN SYSTEM (TYPE 1)]
BCM BRANCH LINE CIRCUIT
BCM BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000009461450
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connectors of the BCM for damage, bend and loose connection (unit side and connector side).
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair the terminal and connector.
2.CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect the connector of BCM.
2. Check the resistance between the BCM harness connector terminals.
Is the measurement value within the specification?
YES >> GO TO 3.
NO >> Repair the BCM branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the BCM. Refer to BCS-74, "Diagnosis Procedure"
.
Is the inspection result normal?
YES (Present error)>>Replace the BCM. Refer to BCS-80, "Removal and Installation".
YES (Past error)>>Error was detected in the BCM branch line.
NO >> Repair the power supply and the ground circuit.
BCM harness connector Resistance (Ω)
Connector No. Terminal No.
M18 60 59 Approx. 108 – 132
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CAN COMMUNICATION CIRCUITLAN-77
< DTC/CIRCUIT DIAGNOSIS > [CAN SYSTEM (TYPE 1)]
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CAN COMMUNICATION CIRCUIT
Diagnosis ProcedureINFOID:0000000009461451
1.CONNECTOR INSPECTION
1. Turn the ignition switch OFF.
2. Disconnect the battery cabl e from the negative terminal.
3. Disconnect all the unit connectors on CAN communication system.
4. Check terminals and connectors for damage, bend and loose connection.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair the terminal and connector.
2.CHECK HARNESS CONTINUI TY (SHORT CIRCUIT)
Check the continuity between the data link connector terminals.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Check the harness and repair the root cause.
3.CHECK HARNESS CONTINUI TY (SHORT CIRCUIT)
Check the continuity between the data link connector and the ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Check the harness and repair the root cause.
4.CHECK ECM AND BCM TERMINATION CIRCUIT
1. Remove the ECM and the BCM.
2. Check the resistance between the ECM terminals.
- QR engine models
- VQ engine models
3. Check the resistance between the BCM terminals.
Data link connector Continuity
Connector No. Terminal No.
M22 6 14 Not existed
Data link connector
GroundContinuity
Connector No. Terminal No.
M22 6 Not existed
14 Not existed
ECM Resistance (Ω)
Te r m i n a l N o .
100 99 Approx. 108 – 132
ECM Resistance (Ω)
Te r m i n a l N o .
114 113 Approx. 108 – 132
BCM Resistance (Ω)
Te r m i n a l N o .
60 59 Approx. 108 – 132
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LAN-78
< DTC/CIRCUIT DIAGNOSIS >[CAN SYSTEM (TYPE 1)]
CAN COMMUNICATION CIRCUIT
Is the measurement value within the specification?
YES >> GO TO 5.
NO >> Replace the ECM and/or the BCM.
5.CHECK SYMPTOM
Connect all the connectors. Check if the symptoms descri bed in the “Symptom (Results from interview with
customer)” are reproduced.
Inspection result
Reproduced>>GO TO 6.
Non-reproduced>>Start the diagnosis again. Follow the trouble diagnosis procedure when past error is
detected.
6.CHECK UNIT REPRODUCTION
Perform the reproduction test as per the following procedure for each unit.
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Disconnect one of the unit connectors of CAN communication system.
NOTE:
ECM and BCM have a termination circuit. Check other units first.
4. Connect the battery cable to the negative terminal. Check if the symptoms described in the “Symptom
(Results from interview with customer)” are reproduced.
NOTE:
Although unit-related error symptoms occur, do not confuse them with other symptoms.
Inspection result
Reproduced>>Connect the connector. Check other units as per the above procedure.
Non-reproduced>>Replace the unit whose connector was disconnected.
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

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MAIN LINE BETWEEN IPDM-E AND DLC CIRCUITLAN-79
< DTC/CIRCUIT DIAGNOSIS > [CAN SYSTEM (TYPE 2)]
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DTC/CIRCUIT DIAGNOSIS
MAIN LINE BETWEEN IPDM-E AND DLC CIRCUIT
Diagnosis ProcedureINFOID:0000000009461452
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cabl e from the negative terminal.
3. Check the following terminals and connectors for damage, bend and loose connection (connector side
and harness side).
- Harness connector E30
- Harness connector M1
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair the terminal and connector.
2.CHECK HARNESS CONTI NUITY (OPEN CIRCUIT)
1. Disconnect the following harness connectors.
- IPDM E/R
- Harness connectors E30 and M1
2. Check the continuity between the IPDM E/R harness connector and the harness connector.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair the main line between the IPDM E/R and the harness connector E30.
3.CHECK HARNESS CONTI NUITY (OPEN CIRCUIT)
Check the continuity between the harness connector and the data link connector.
Is the inspection result normal?
YES (Present error)>>Check CA N system type decision again.
YES (Past error)>>Error was detected in the main line between the IPDM E/R and the data link connector.
NO >> Repair the main line between the harness connector M1 and the data link connector.
IPDM E/R harness connector Harness connector Continuity
Connector No. Terminal No. Connector No. Terminal No.
E63 29
E30 22G Existed
28 23G Existed
Harness connector Data link connector Continuity
Connector No. Terminal No. Connector No. Terminal No.
M1 22G
M22 6 Existed
23G 14 Existed
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LAN-80
< DTC/CIRCUIT DIAGNOSIS >[CAN SYSTEM (TYPE 2)]
MAIN LINE BETWEEN DLC AND M&A CIRCUIT
MAIN LINE BETWEEN
DLC AND M&A CIRCUIT
Diagnosis ProcedureINFOID:0000000009461453
1.CHECK HARNESS CONTI NUITY (OPEN CIRCUIT)
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Disconnect the following harness connectors.
-ECM
- Combination meter
4. Check the continuity between the data link connector and the combination meter harness connector.
Is the inspection result normal?
YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the main line between the data link connector and the combination
meter.
NO >> Repair the main line between the data link connector and the combination meter.
Data link connector Combination meter harness connector Continuity
Connector No. Terminal No. Connector No. Terminal No.
M22 6
M24 39 Existed
14 38 Existed
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MAIN LINE BETWEEN M&A AND A-BAG CIRCUIT (WITH AUTO A/C)
LAN-81
< DTC/CIRCUIT DIAGNOSIS > [CAN SYSTEM (TYPE 2)]
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MAIN LINE BETWEEN M&A AND A-
BAG CIRCUIT (WITH AUTO A/C)
Diagnosis ProcedureINFOID:0000000009461454
1.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1. Turn the ignition switch OFF.
2. Disconnect the battery cabl e from the negative terminal.
3. Disconnect the following harness connectors.
- Combination meter
- A/C auto amp.
-ECM
4. Check the continuity between the combination meter harness connector and the A/C auto amp. harness
connector.
Is the inspection result normal?
YES (Present error)>>Check CA N system type decision again.
YES (Past error)>>Error was detected in the main line between the combination meter and the air bag diag-
nosis sensor unit.
NO >> Repair the main line between the air bag diagnosis sensor unit and the air bag diagnosis sensor
unit.
Combination meter harness connector A/C auto amp. harness connector Continuity
Connector No. Terminal No. Connector No. Terminal No.
M24 39
M152 1 Existed
38 21 Existed
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM