Page 2129 of 2771
LAN-138
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DLC BRANCH LINE CIRCUIT
DLC BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711527
INSPECTION PROCEDURE
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 the 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
Page 2130 of 2771
![NISSAN LATIO 2008 Service Repair Manual EPS BRANCH LINE CIRCUIT
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EPS BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711528
INSPECTION PROCEDURE
1 NISSAN LATIO 2008 Service Repair Manual EPS BRANCH LINE CIRCUIT
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EPS BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711528
INSPECTION PROCEDURE
1](/manual-img/5/57360/w960_57360-2129.png)
EPS BRANCH LINE CIRCUIT
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EPS BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711528
INSPECTION PROCEDURE
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 EPS 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 EPS control unit.
2. Check the resistance between the EPS control unit harness connector terminals.
Is the measurement value within the specification?
YES >> GO TO 3.
NO >> Repair the EPS control unit branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the EPS control unit. Refer to STC-14, "
DTC C1601 BAT-
TERY VOLT".
Is the inspection result normal?
YES (Present error)>>Replace the EPS control unit. Refer to PS-9, "Removal and Installation".
YES (Past error)>>Error was detected in the EPS control unit branch line.
NO >> Repair the power supply and the ground circuit.
EPS control unit harness connector
Resistance (Ω)
Connector No. Terminal No.
M53 9 16 Approx. 54 – 66
Page 2131 of 2771
![NISSAN LATIO 2008 Service Repair Manual LAN-140
< COMPONENT DIAGNOSIS >[CAN SYSTEM (TYPE 10)]
I-KEY BRANCH LINE CIRCUIT
I-KEY BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711529
INSPECTION PROCEDURE
1.CHECK CONNECTOR
1. Turn the NISSAN LATIO 2008 Service Repair Manual LAN-140
< COMPONENT DIAGNOSIS >[CAN SYSTEM (TYPE 10)]
I-KEY BRANCH LINE CIRCUIT
I-KEY BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711529
INSPECTION PROCEDURE
1.CHECK CONNECTOR
1. Turn the](/manual-img/5/57360/w960_57360-2130.png)
LAN-140
< COMPONENT DIAGNOSIS >[CAN SYSTEM (TYPE 10)]
I-KEY BRANCH LINE CIRCUIT
I-KEY BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711529
INSPECTION PROCEDURE
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 Intelligent Key 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 Intelligent Key unit.
2. Check the resistance between the Intelligent Key unit harness connector terminals.
Is the measurement value within the specification?
YES >> GO TO 3.
NO >> Repair the Intelligent Key unit branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the Intelligent Key unit. Refer to BL-110, "
Power Supply and
Ground Circuit Inspection".
Is the inspection result normal?
YES (Present error)>>Replace the Intelligent Key unit. Refer to BL-142, "Removal and Installation of Intelli-
gent Key Unit".
YES (Past error)>>Error was detected in the Intelligent Key unit branch line.
NO >> Repair the power supply and the ground circuit.
Intelligent Key unit harness connector
Resistance (Ω)
Connector No. Terminal No.
M52 2 3 Approx. 54 – 66
Page 2132 of 2771
![NISSAN LATIO 2008 Service Repair Manual M&A BRANCH LINE CIRCUIT
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M&A BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711530
INSPECTION PROCEDURE
1 NISSAN LATIO 2008 Service Repair Manual M&A BRANCH LINE CIRCUIT
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M&A BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711530
INSPECTION PROCEDURE
1](/manual-img/5/57360/w960_57360-2131.png)
M&A BRANCH LINE CIRCUIT
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M&A BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711530
INSPECTION PROCEDURE
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 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 DI-15, "
Power Supply and
Ground Circuit Inspection".
Is the inspection result normal?
YES (Present error)>>Replace the combination meter. Refer to DI-20, "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 1 2 Approx. 54 – 66
Page 2133 of 2771
![NISSAN LATIO 2008 Service Repair Manual LAN-142
< COMPONENT DIAGNOSIS >[CAN SYSTEM (TYPE 10)]
ABS BRANCH LINE CIRCUIT
ABS BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711533
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. D NISSAN LATIO 2008 Service Repair Manual LAN-142
< COMPONENT DIAGNOSIS >[CAN SYSTEM (TYPE 10)]
ABS BRANCH LINE CIRCUIT
ABS BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711533
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. D](/manual-img/5/57360/w960_57360-2132.png)
LAN-142
< COMPONENT DIAGNOSIS >[CAN SYSTEM (TYPE 10)]
ABS BRANCH LINE CIRCUIT
ABS BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711533
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 actuator 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 actuator 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 ABS actuator and electric unit (control unit). Refer to
BRC-27, "
ABS Control Unit Power and Ground Systems Inspection".
Is the inspection result normal?
YES (Present error)>>Replace the ABS actuator and electric unit (control unit). Refer to BRC-35, "Removal
and Installation".
YES (Past error)>>Error was detected in the ABS actuator 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.
E33 26 15 Approx. 54 – 66
Page 2134 of 2771
![NISSAN LATIO 2008 Service Repair Manual TCM BRANCH LINE CIRCUIT
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TCM BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711534
1.CHECK CONNECTOR
1. T NISSAN LATIO 2008 Service Repair Manual TCM BRANCH LINE CIRCUIT
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TCM BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711534
1.CHECK CONNECTOR
1. T](/manual-img/5/57360/w960_57360-2133.png)
TCM BRANCH LINE CIRCUIT
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TCM BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711534
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connector of the TCM 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 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.
• A/T models: AT-165, "
Diagnosis Procedure"
• CVT models: CVT-123, "Diagnosis Procedure"
Is the inspection result normal?
YES (Present error)>>Replace the TCM. Refer to the following.
• A/T models: AT-202, "
Removal and Installation"
• CVT models: CVT-161, "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.
E31 5 6 Approx. 54 – 66
Page 2135 of 2771
![NISSAN LATIO 2008 Service Repair Manual LAN-144
< COMPONENT DIAGNOSIS >[CAN SYSTEM (TYPE 10)]
IPDM-E BRANCH LINE CIRCUIT
IPDM-E BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711535
INSPECTION PROCEDURE
1.CHECK CONNECTOR
1. Turn th NISSAN LATIO 2008 Service Repair Manual LAN-144
< COMPONENT DIAGNOSIS >[CAN SYSTEM (TYPE 10)]
IPDM-E BRANCH LINE CIRCUIT
IPDM-E BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711535
INSPECTION PROCEDURE
1.CHECK CONNECTOR
1. Turn th](/manual-img/5/57360/w960_57360-2134.png)
LAN-144
< COMPONENT DIAGNOSIS >[CAN SYSTEM (TYPE 10)]
IPDM-E BRANCH LINE CIRCUIT
IPDM-E BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711535
INSPECTION PROCEDURE
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 (unit side and con-
nector side).
- IPDM E/R
- Harness connector E7 (Models without ABS)
- Harness connector M69 (Models without ABS)
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 PG-25, "
IPDM E/R Power/Ground
Circuit Inspection".
Is the inspection result normal?
YES (Present error)>>Replace the IPDM E/R. Refer to PG-26, "Removal and Installation of IPDM E/R".
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.
E46 41 40 Approx. 108 – 132
Page 2136 of 2771
![NISSAN LATIO 2008 Service Repair Manual CAN COMMUNICATION CIRCUIT
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CAN COMMUNICATION CIRCUIT
Diagnosis ProcedureINFOID:0000000001711536
INSPECTION PROCEDU NISSAN LATIO 2008 Service Repair Manual CAN COMMUNICATION CIRCUIT
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CAN COMMUNICATION CIRCUIT
Diagnosis ProcedureINFOID:0000000001711536
INSPECTION PROCEDU](/manual-img/5/57360/w960_57360-2135.png)
CAN COMMUNICATION CIRCUIT
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CAN COMMUNICATION CIRCUIT
Diagnosis ProcedureINFOID:0000000001711536
INSPECTION PROCEDURE
1.CONNECTOR INSPECTION
1. Turn the ignition switch OFF.
2. Disconnect the battery cable 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 CONTINUITY (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 CONTINUITY (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 IPDM E/R TERMINATION CIRCUIT
1. Remove the ECM and the IPDM E/R.
2. Check the resistance between the ECM terminals.
3. Check the resistance between the IPDM E/R terminals.
Is the measurement value within the specification?
YES >> GO TO 5.
NO >> Replace the ECM and/or the IPDM E/R.
5.CHECK SYMPTOM
Data link connector
Continuity
Connector No. Terminal No.
M22 6 14 Not existed
Data link connector
GroundContinuity
Connector No. Terminal No.
M226 Not existed
14 Not existed
ECM
Resistance (Ω)
Te r m i n a l N o .
84 83 Approx. 108 – 132
IPDM E/R
Resistance (Ω)
Te r m i n a l N o .
41 40 Approx. 108 – 132
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