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< DTC/CIRCUIT DIAGNOSIS >[CAN SYSTEM (TYPE 4)]
CAN COMMUNICATION CIRCUIT
Is the measurement value within the specification?
YES >> GO TO 5.
NO >> Replace the ECM and/or the BCM.
5.CHECK SYMP NISSAN TEANA 2014 Service Manual
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< DTC/CIRCUIT DIAGNOSIS >[CAN SYSTEM (TYPE 4)]
CAN COMMUNICATION CIRCUIT
Is the measurement value within the specification?
YES >> GO TO 5.
NO >> Replace the ECM and/or the BCM.
5.CHECK SYMP](/manual-img/5/57390/w960_57390-3080.png)
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< DTC/CIRCUIT DIAGNOSIS >[CAN SYSTEM (TYPE 4)]
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.
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MAIN LINE BETWEEN IPDM-E AND DLC CIRCUITLAN-133
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Diag NISSAN TEANA 2014 Service Manual
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Diag](/manual-img/5/57390/w960_57390-3081.png)
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MAIN LINE BETWEEN IPDM-E AND DLC CIRCUIT
Diagnosis ProcedureINFOID:0000000009461503
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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< DTC/CIRCUIT DIAGNOSIS >[CAN SYSTEM (TYPE 5)]
MAIN LINE BETWEEN DLC AND M&A CIRCUIT
MAIN LINE BETWEEN
DLC AND M&A CIRCUIT
Diagnosis ProcedureINFOID:0000000009461504
1.CHECK HARNESS CONTI NU NISSAN TEANA 2014 Service Manual
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MAIN LINE BETWEEN DLC AND M&A CIRCUIT
MAIN LINE BETWEEN
DLC AND M&A CIRCUIT
Diagnosis ProcedureINFOID:0000000009461504
1.CHECK HARNESS CONTI NU](/manual-img/5/57390/w960_57390-3082.png)
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MAIN LINE BETWEEN DLC AND M&A CIRCUIT
MAIN LINE BETWEEN
DLC AND M&A CIRCUIT
Diagnosis ProcedureINFOID:0000000009461504
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 MANUAL A/C)
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BAG CIRCUIT (WITH MANUAL A/C)
Diagnosis ProcedureINFOID:0000000009461505
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 SYSTEM (TYPE 5)]
ECM BRANCH LINE CIRCUIT
ECM BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000009461506
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
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ECM BRANCH LINE CIRCUIT
ECM BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000009461506
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2](/manual-img/5/57390/w960_57390-3084.png)
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ECM BRANCH LINE CIRCUIT
ECM BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000009461506
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 ECM 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 detected 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
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1.CHECK CONNECTOR NISSAN TEANA 2014 Service Manual
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1.CHECK CONNECTOR](/manual-img/5/57390/w960_57390-3085.png)
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Diagnosis ProcedureINFOID:0000000009461507
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 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 A BS 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 (control unit) harness connector Resistance (Ω)
Connector No. Terminal No.
E54 26 14 Approx. 54 – 66
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< DTC/CIRCUIT DIAGNOSIS >[CAN SYSTEM (TYPE 5)]
EPS BRANCH LINE CIRCUIT
EPS BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000009461508
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
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< DTC/CIRCUIT DIAGNOSIS >[CAN SYSTEM (TYPE 5)]
EPS BRANCH LINE CIRCUIT
EPS BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000009461508
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2](/manual-img/5/57390/w960_57390-3086.png)
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EPS BRANCH LINE CIRCUIT
EPS BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000009461508
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 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
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Diagnosis ProcedureINFOID:0000000009461509
1.CHECK CO NISSAN TEANA 2014 Service Manual
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LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000009461509
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 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