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< PRECAUTION >[CAN FUNDAMENTAL]
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precautions for Trouble DiagnosisINFOID:0000000009461391
CAUTION:
Follow the instructions listed below. Fail ure to do this m NISSAN TEANA 2014 Service Manual
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< PRECAUTION >[CAN FUNDAMENTAL]
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precautions for Trouble DiagnosisINFOID:0000000009461391
CAUTION:
Follow the instructions listed below. Fail ure to do this m](/manual-img/5/57390/w960_57390-2956.png)
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PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precautions for Trouble DiagnosisINFOID:0000000009461391
CAUTION:
Follow the instructions listed below. Fail ure to do this may cause damage to parts:
• Never apply 7.0 V or more to the measurement terminal.
• Use a tester with open terminal voltage of 7.0 V or less.
• Turn the ignition switch OFF and disconnect th e battery cable from the negative terminal when
checking the harness.
Precautions for Harness RepairINFOID:0000000009461392
• Solder the repaired area and wrap tape around the soldered area.
NOTE:
A fray of twisted lines must be within 110 mm (4.33 in).
• Bypass connection is never allowed at the repaired area. NOTE:
Bypass connection may cause CAN communication error. The
spliced wire becomes separated and the characteristics of twisted
line are lost.
• Replace the applicable harness as an assembly if error is detected on the shield lines of CAN communica- tion line.
SKIB8766E
SKIB8767E
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Component DescriptionINFOID:0000000009461395
Condition of Error DetectionINFOID: NISSAN TEANA 2014 Service Manual
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Component DescriptionINFOID:0000000009461395
Condition of Error DetectionINFOID:](/manual-img/5/57390/w960_57390-2959.png)
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Component DescriptionINFOID:0000000009461395
Condition of Error DetectionINFOID:0000000009461396
DTC (e.g. U1000 and U1001) of CAN communication is
indicated on SELF-DIAG RESULTS on CONSULT if a
CAN communication signal is not transmitted or received between units for 2 seconds or more.
CAN COMMUNICATION SYSTEM ERROR
• CAN communication line open (CAN-H, CAN-L, or both)
• CAN communication line short (ground, betw een CAN communication lines, other harnesses)
• Error of CAN communication control circuit of the unit connected to CAN communication line
WHEN DTC OF CAN COMMUNICATION IS I NDICATED EVEN THOUGH CAN COMMUNICATION
SYSTEM IS NORMAL
• Removal/installation of parts: Error may be detec ted when removing and installing CAN communication unit
and related parts while turning the ignition switch ON. (A DTC except for CAN communication may be
detected.)
• Fuse blown out (removed): CAN communication of the unit may cease.
• Voltage drop: Error may be detected if voltage drops due to discharged battery when turning the ignition switch ON (Depending on the control unit which carries out CAN communication).
• Error may be detected if the power supply circuit of the control unit, which carries out CAN communication,
malfunctions (Depending on the control unit which carries out CAN communication).
• Error may be detected if reprogramming is not completed normally.
NOTE:
CAN communication system is normal if DTC of CAN communication is indicated on SELF-DIAG RESULTS of
CONSULT under the above conditions. Erase the memory of the self-diagnosis of each control unit.
JSMIA0527GB
Component Description
Main line CAN communication line between splices
Branch line CAN communication line between splice and a control unit
Splice A point connecting a branch line with a main line
Termination circuit Circuit connected across the CAN communication system. (Resistor)
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< PRECAUTION >[CAN]
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint Syst
em (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000009980936
The Supplemental Res NISSAN TEANA 2014 Service Manual
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< PRECAUTION >[CAN]
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint Syst
em (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000009980936
The Supplemental Res](/manual-img/5/57390/w960_57390-2972.png)
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< PRECAUTION >[CAN]
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint Syst
em (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000009980936
The Supplemental Restraint System such as “A IR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severi ty of injury to the driver and front passenger for certain
types of collision. Information necessary to service the system safely is included in the SR and SB section of
this Service Manual.
WARNING:
• To avoid rendering the SRS inopera tive, which could increase the risk of personal injury or death in
the event of a collision which would result in air bag inflation, all maintenance must be performed by
an authorized NISS AN/INFINITI dealer.
• Improper maintenance, including in correct removal and installation of the SRS, can lead to personal
injury caused by unintent ional activation of the system. For re moval of Spiral Cable and Air Bag
Module, see the SR section.
• Do not use electrical test equipmen t on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harn esses can be identified by yellow and/or orange harnesses or har-
ness connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Airbag Diagnosis Sensor Unit or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT use air or electri c power tools or strike near the sensor(s) with a
hammer. Heavy vibration could activate the sensor( s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers , always switch the Ignition OFF, disconnect the
battery and wait at least three minutes before performing any service.
Precautions for Trouble DiagnosisINFOID:0000000009461407
CAUTION:
Follow the instructions listed below. Fail ure to do this may cause damage to parts:
• Never apply 7.0 V or more to the measurement terminal.
• Use a tester with open terminal voltage of 7.0 V or less.
• Turn the ignition switch OFF and disconnect th e battery cable from the negative terminal when
checking the harness.
Precautions for Harness RepairINFOID:0000000009461408
• Solder the repaired area and wrap tape around the soldered area. NOTE:
A fray of twisted lines must be within 110 mm (4.33 in).
SKIB8766E
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< 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 igniti NISSAN TEANA 2014 Service Manual
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< 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 igniti](/manual-img/5/57390/w960_57390-2992.png)
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< 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
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Diagnosis ProcedureINFOID:0000000009461420
1.CHEC NISSAN TEANA 2014 Service Manual
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1.CHEC](/manual-img/5/57390/w960_57390-2993.png)
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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
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< 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.CH NISSAN TEANA 2014 Service Manual
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< 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.CH](/manual-img/5/57390/w960_57390-2994.png)
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< 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
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Diagnos NISSAN TEANA 2014 Service Manual
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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
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< 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 C NISSAN TEANA 2014 Service Manual
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< 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 C](/manual-img/5/57390/w960_57390-2996.png)
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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
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