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Home >> Nissan-Datsun >> 2012 >> Sentra L4-2.5L (QR25DE) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Information Bus >> Testing and Inspection >> Component Tests and General Diagnostics >> TCM Branch Line Circuit >> CAN
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CAN




TCM BRANCH LINE CIRCUIT

Diagnosis 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 connector side).
- TCM
-Harness connector F10
-Harness connector E17
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. P1701.
Is the inspection result normal?
YES (Present error)-Replace the TCM. Service and Repair.
YES (Past error)-Error was detected in the TCM branch line.
NO- Repair the power supply and the ground circuit.
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