NISSAN TEANA 2014 Service Manual

LAN-82
< DTC/CIRCUIT DIAGNOSIS >[CAN SYSTEM (TYPE 2)]
MAIN LINE BETWEEN A-BAG AND HVAC CIRCUIT
MAIN LINE BETWEEN A-
BAG AND HVAC CIRCUIT
Diagnosis ProcedureINFOID:0000000009461455
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.
- 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 CAN system type decision again.
YES (Past error)>>Error was detected in the main line between the air bag diagnosis sensor unit and the A/C
auto amp.
NO >> Repair the main line between the air bag diagnosis sensor unit and the A/C auto amp.
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

LAN
ECM BRANCH LINE CIRCUITLAN-83
< DTC/CIRCUIT DIAGNOSIS > [CAN SYSTEM (TYPE 2)]
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ECM BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000009461456
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 EC M 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 ECM.
2. Check the resistance between the ECM harness connector terminals.
- QR25DE except for California
- QR25DE for California
- VQ35DE
Is the measurement value within the specification?
YES >> GO TO 3.
NO >> Repair the ECM branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the ECM. Refer to the following.
• QR25DE: EC-203, "Diagnosis Procedure"
• VQ35DE: EC-709, "Diagnosis Procedure"
Is the inspection result normal?
YES (Present error)>>Replace the ECM. Refer to the following.
• QR25DE: EC-540, "Removal and Installation"
.
• VQ35DE: EC-997, "Removal and Installation"
.
YES (Past error)>>Error was det ected in the ECM branch line.
NO >> Repair the power supply and the ground circuit.
ECM harness connector Resistance (Ω)
Connector No. Terminal No.
E10 100 99 Approx. 108 – 132
ECM harness connector Resistance (Ω)
Connector No. Terminal No.
E31 100 99 Approx. 108 – 132
ECM harness connector Resistance (Ω)
Connector No. Terminal No.
E32 114 113 Approx. 108 – 132
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

LAN-84
< DTC/CIRCUIT DIAGNOSIS >[CAN SYSTEM (TYPE 2)]
ABS BRANCH LINE CIRCUIT
ABS BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000009461457
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 ABS act uator and electric unit (control unit) 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 ABS actuat or and electric unit (control unit).
2. Check the resistance between the ABS actuator and electric unit (control unit) harness connector termi-
nals.
Is the measurement value within the specification?
YES >> GO TO 3.
NO >> Repair the ABS actuator and electric unit (control unit) branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the AB S actuator and electric unit (control unit). Refer to
BRC-70, "Diagnosis Procedure"
.
Is the inspection result normal?
YES (Present error)>>Replace the ABS actuator and electric unit (control unit). Refer to BRC-128, "Removal
and Installation".
YES (Past error)>>Error was detected in the ABS ac tuator and electric unit (control unit) branch line.
NO >> Repair the power supply and the ground circuit.
ABS actuator and electric unit (c ontrol unit) harness connector
Resistance (Ω)
Connector No. Terminal No.
E54 26 14 Approx. 54 – 66
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

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EPS BRANCH LINE CIRCUITLAN-85
< DTC/CIRCUIT DIAGNOSIS > [CAN SYSTEM (TYPE 2)]
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EPS BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000009461458
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 power steering control module 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 power steering control module.
2. Check the resistance between the power steer ing control module harness connector terminals.
Is the measurement value within the specification?
YES >> GO TO 3.
NO >> Repair the Power steering control module branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the power steering control module. Refer to STC-23, "Diag-
nosis Procedure".
Is the inspection result normal?
YES (Present error)>>Replace the power steering oil pump assembly. Refer to ST-38, "Removal and Instal-
lation".
YES (Past error)>>Error was detected in t he power steering control module branch line.
NO >> Repair the power supply and the ground circuit.
Power steering control module harness connector Resistance (Ω)
Connector No. Terminal No.
E59 8 7 Approx. 54 – 66
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

LAN-86
< DTC/CIRCUIT DIAGNOSIS >[CAN SYSTEM (TYPE 2)]
IPDM-E BRANCH LINE CIRCUIT
IPDM-E BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000009461459
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 IPDM E/R 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 IPDM E/R.
2. Check the resistance between the IPDM E/R harness connector terminals.
Is the measurement value within the specification?
YES >> GO TO 3.
NO >> Repair the IPDM E/R branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the IPDM E/R. Refer to PCS-31, "Diagnosis Procedure"
.
Is the inspection result normal?
YES (Present error)>>Replace the IPDM E/R. Refer to PCS-32, "Removal and Installation".
YES (Past error)>>Error was detected in the IPDM E/R branch line.
NO >> Repair the power supply and the ground circuit.
IPDM E/R harness connector Resistance (Ω)
Connector No. Terminal No.
E63 29 28 Approx. 54 – 66
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

LAN
TCM BRANCH LINE CIRCUITLAN-87
< DTC/CIRCUIT DIAGNOSIS > [CAN SYSTEM (TYPE 2)]
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TCM BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000009461460
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 (unit side and con- nector side).
-TCM
- Harness connector F2
- Harness connector E11
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 TCM.
2. Check the resistance between the TCM harness connector terminals.
Is the measurement value within the specification?
YES >> GO TO 3.
NO >> Repair the TCM branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the TCM. Refer to the following.
• QR25DE: TM-164, "Diagnosis Procedure"
• VQ35DE: TM-366, "Diagnosis Procedure"
Is the inspection result normal?
YES (Present error)>>Replace the TCM. Refer to the following.
• QR25DE: TM-183, "Removal and Installation"
• VQ35DE: TM-384, "Removal and Installation"
YES (Past error)>>Error was detected in the TCM branch line.
NO >> Repair the power supply and the ground circuit.
TCM harness connector Resistance (Ω)
Connector No. Terminal No.
F16 33 23 Approx. 54 – 66
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

LAN-88
< DTC/CIRCUIT DIAGNOSIS >[CAN SYSTEM (TYPE 2)]
DLC BRANCH LINE CIRCUIT
DLC BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000009461461
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

LAN
M&A BRANCH LINE CIRCUITLAN-89
< DTC/CIRCUIT DIAGNOSIS > [CAN SYSTEM (TYPE 2)]
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M&A BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000009461462
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-90
< DTC/CIRCUIT DIAGNOSIS >[CAN SYSTEM (TYPE 2)]
STRG BRANCH LINE CIRCUIT
STRG BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000009461463
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

LAN
A-BAG BRANCH LINE CIRCUITLAN-91
< DTC/CIRCUIT DIAGNOSIS > [CAN SYSTEM (TYPE 2)]
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A-BAG BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000009461464
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.
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM