NISSAN TEANA 2014 Service Manual

LAN-42
< BASIC INSPECTION >[CAN]
DIAGNOSIS AND REPAIR WORKFLOW
BASIC INSPECTION
DIAGNOSIS AND REPAIR WORKFLOW
Interview SheetINFOID:0000000009461415
NOTE:
Refer to LAN-18, "Trouble Diagnosis Procedure"
for how to use interview sheet.
SKIB8898E
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

LAN
MALFUNCTION AREA CHARTLAN-43
< DTC/CIRCUIT DIAGNOSIS > [CAN]
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DTC/CIRCUIT DIAGNOSIS
MALFUNCTION AREA CHART
Main LineINFOID:0000000009461416
Branch LineINFOID:0000000009461417
Short CircuitINFOID:0000000009461418
Malfunction area Reference
Main line between IPDM E/R and data link connector LAN-44, "Diagnosis Procedure"
Main line between data link connector and combination meterLAN-45, "Diagnosis Procedure"
Main line between combination meter and air bag diagnosis sensor unit (with
auto A/C) LAN-46, "Diagnosis Procedure"
Main line between combination meter and air bag diagnosis sensor unit (with
manual A/C) LAN-47, "Diagnosis Procedure"
Main line between air bag diagnosis sensor unit and A/C auto amp.
LAN-48, "Diagnosis Procedure"
Malfunction area Reference
ECM branch line circuit LAN-49, "Diagnosis Procedure"
ABS actuator and electric unit (control unit) branch line circuit LAN-50, "Diagnosis Procedure"
Power steering control module branch line circuit LAN-51, "Diagnosis Procedure"
IPDM E/R branch line circuit LAN-52, "Diagnosis Procedure"
TCM branch line circuitLAN-53, "Diagnosis Procedure"
Data link connector branch line circuit LAN-54, "Diagnosis Procedure"
Combination meter branch line circuit LAN-55, "Diagnosis Procedure"
Steering angle sensor branch line circuit LAN-56, "Diagnosis Procedure"
Air bag diagnosis sensor unit branch line circuitLAN-57, "Diagnosis Procedure"
AV control unit branch line circuit LAN-58, "Diagnosis Procedure"
ITS control unit branch line circuit LAN-59, "Diagnosis Procedure"
A/C auto amp. branch line circuit LAN-60, "Diagnosis Procedure"
BCM branch line circuit LAN-61, "Diagnosis Procedure"
Malfunction area Reference
CAN communication circuit LAN-62, "Diagnosis Procedure"
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

LAN-44
< DTC/CIRCUIT DIAGNOSIS >[CAN]
MAIN LINE BETWEEN IPDM-E AND DLC CIRCUIT
MAIN LINE BETWEEN IPDM-E AND DLC CIRCUIT
Diagnosis ProcedureINFOID:0000000009461419
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable 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 CAN 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 harne ss 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
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

LAN
MAIN LINE BETWEEN DLC AND M&A CIRCUITLAN-45
< DTC/CIRCUIT DIAGNOSIS > [CAN]
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MAIN LINE BETWEEN DLC AND M&A CIRCUIT
Diagnosis ProcedureINFOID:0000000009461420
1.CHECK HARNESS CONTI
NUITY (OPEN CIRCUIT)
1. Turn the ignition switch OFF.
2. Disconnect the battery cabl e from the negative terminal.
3. Disconnect the following harness connectors.
-ECM
- Combination meter
4. Check the continuity between the data link c onnector and the combination meter 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 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
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

LAN-46
< DTC/CIRCUIT DIAGNOSIS >[CAN]
MAIN LINE BETWEEN M&A AND
A-BAG CIRCUIT (WITH AUTO A/C)
MAIN LINE BETWEEN M&A AND A- BAG CIRCUIT (WITH AUTO A/C)
Diagnosis ProcedureINFOID:0000000009461421
1.CHECK HARNESS CONTINUITY (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 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

LAN
MAIN LINE BETWEEN M&A AND A-BAG CIRCUIT (WITH MANUAL A/C)
LAN-47
< DTC/CIRCUIT DIAGNOSIS > [CAN]
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MAIN LINE BETWEEN M&A AND A-
BAG CIRCUIT (WITH MANUAL A/C)
Diagnosis ProcedureINFOID:0000000009461422
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
-BCM
4. Check the continuity between the combination meter harness connector and the BCM 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 combination meter and the air bag diagnosis sensor unit.
Combination meter harness connector BCM harness connector Continuity
Connector No. Terminal No. Connector No. Terminal No.
M24 39
M18 60 Existed
38 59 Existed
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

LAN-48
< DTC/CIRCUIT DIAGNOSIS >[CAN]
MAIN LINE BETWEEN A-BAG AND HVAC CIRCUIT
MAIN LINE BETWEEN A-
BAG AND HVAC CIRCUIT
Diagnosis ProcedureINFOID:0000000009461423
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-49
< DTC/CIRCUIT DIAGNOSIS > [CAN]
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ECM BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000009461424
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-50
< DTC/CIRCUIT DIAGNOSIS >[CAN]
ABS BRANCH LINE CIRCUIT
ABS BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000009461425
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

LAN
EPS BRANCH LINE CIRCUITLAN-51
< DTC/CIRCUIT DIAGNOSIS > [CAN]
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EPS BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000009461426
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