Page 2025 of 2771
![NISSAN LATIO 2008 Service Repair Manual LAN-34
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BCM BRANCH LINE CIRCUIT
BCM BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711230
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the batt NISSAN LATIO 2008 Service Repair Manual LAN-34
< COMPONENT DIAGNOSIS >[CAN]
BCM BRANCH LINE CIRCUIT
BCM BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711230
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the batt](/manual-img/5/57360/w960_57360-2024.png)
LAN-34
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BCM BRANCH LINE CIRCUIT
BCM BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711230
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 BCM 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 BCM.
2. Check the resistance between the BCM harness connector terminals.
Is the measurement value within the specification?
YES >> GO TO 3.
NO >> Repair the BCM branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the BCM. Refer to BCS-15, "
BCM Power Supply and Ground
Circuit Inspection".
Is the inspection result normal?
YES (Present error)>>Replace the BCM. Refer to BCS-18, "Removal and Installation of BCM".
YES (Past error)>>Error was detected in the BCM branch line.
NO >> Repair the power supply and the ground circuit.
BCM harness connector
Resistance (Ω)
Connector No. Terminal No.
M18 39 40 Approx. 54 – 66
Page 2026 of 2771
DLC BRANCH LINE CIRCUIT
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DLC BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711231
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 2027 of 2771
![NISSAN LATIO 2008 Service Repair Manual LAN-36
< COMPONENT DIAGNOSIS >[CAN]
EPS BRANCH LINE CIRCUIT
EPS BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711232
INSPECTION PROCEDURE
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2 NISSAN LATIO 2008 Service Repair Manual LAN-36
< COMPONENT DIAGNOSIS >[CAN]
EPS BRANCH LINE CIRCUIT
EPS BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711232
INSPECTION PROCEDURE
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2](/manual-img/5/57360/w960_57360-2026.png)
LAN-36
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EPS BRANCH LINE CIRCUIT
EPS BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711232
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 2028 of 2771
![NISSAN LATIO 2008 Service Repair Manual I-KEY BRANCH LINE CIRCUIT
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I-KEY BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711233
INSPECTION PROCEDURE
1.CHECK CONNECT NISSAN LATIO 2008 Service Repair Manual I-KEY BRANCH LINE CIRCUIT
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I-KEY BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711233
INSPECTION PROCEDURE
1.CHECK CONNECT](/manual-img/5/57360/w960_57360-2027.png)
I-KEY BRANCH LINE CIRCUIT
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I-KEY BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711233
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 2029 of 2771
![NISSAN LATIO 2008 Service Repair Manual LAN-38
< COMPONENT DIAGNOSIS >[CAN]
M&A BRANCH LINE CIRCUIT
M&A BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711234
INSPECTION PROCEDURE
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2 NISSAN LATIO 2008 Service Repair Manual LAN-38
< COMPONENT DIAGNOSIS >[CAN]
M&A BRANCH LINE CIRCUIT
M&A BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711234
INSPECTION PROCEDURE
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2](/manual-img/5/57360/w960_57360-2028.png)
LAN-38
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M&A BRANCH LINE CIRCUIT
M&A BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711234
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 2030 of 2771
![NISSAN LATIO 2008 Service Repair Manual ABS BRANCH LINE CIRCUIT
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ABS BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711237
1.CHECK CONNECTOR
1. Turn the ignition s NISSAN LATIO 2008 Service Repair Manual ABS BRANCH LINE CIRCUIT
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ABS BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711237
1.CHECK CONNECTOR
1. Turn the ignition s](/manual-img/5/57360/w960_57360-2029.png)
ABS BRANCH LINE CIRCUIT
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ABS BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711237
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 2031 of 2771
![NISSAN LATIO 2008 Service Repair Manual LAN-40
< COMPONENT DIAGNOSIS >[CAN]
TCM BRANCH LINE CIRCUIT
TCM BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711238
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the batt NISSAN LATIO 2008 Service Repair Manual LAN-40
< COMPONENT DIAGNOSIS >[CAN]
TCM BRANCH LINE CIRCUIT
TCM BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711238
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the batt](/manual-img/5/57360/w960_57360-2030.png)
LAN-40
< COMPONENT DIAGNOSIS >[CAN]
TCM BRANCH LINE CIRCUIT
TCM BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711238
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 2032 of 2771
![NISSAN LATIO 2008 Service Repair Manual IPDM-E BRANCH LINE CIRCUIT
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IPDM-E BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711239
INSPECTION PROCEDURE
1.CHECK CONNE NISSAN LATIO 2008 Service Repair Manual IPDM-E BRANCH LINE CIRCUIT
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IPDM-E BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711239
INSPECTION PROCEDURE
1.CHECK CONNE](/manual-img/5/57360/w960_57360-2031.png)
IPDM-E BRANCH LINE CIRCUIT
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IPDM-E BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000001711239
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