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Home >> Infiniti >> 2012 >> EX35 AWD V6-3.5L (VQ35HR) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Information Bus >> Testing and Inspection >> Component Tests and General Diagnostics >> AFS Branch Line Circuit >> CAN
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CAN




AFS 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 terminals and connectors of the AFS 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 AFS control unit.
2.Check the resistance between the AFS control unit harness connector terminals.





Is the measurement value within the specification?
YES- GO TO 3.
NO- Repair the AFS control unit branch line.

3. CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the AFS control unit. AFS Control Unit.
Is the inspection result normal?
YES (Present error)-Replace the AFS control unit. Exploded View.
YES (Past error)-Error was detected in the AFS control unit branch line.
NO- Repair the power supply and the ground circuit.
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