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Home >> Infiniti >> 2010 >> FX35 AWD V6-3.5L (VQ35HR) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Information Bus >> Testing and Inspection >> Component Tests and General Diagnostics >> TPMS Branch Line Circuit >> CAN
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CAN





TPMS 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 low tire pressure warning 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 low tire pressure warning control unit.
2. Check the resistance between the low tire pressure warning control unit harness connector terminals.





Is the measurement value within the specification?
YES - GO TO 3.
NO - Repair the low tire pressure warning control unit branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the low tire pressure warning control unit. Diagnosis Procedure.
Is the inspection result normal?
YES (Present error)-Replace the low tire pressure warning control unit. Exploded View.
YES (Past error)-Error was detected in the low tire pressure warning control unit branch line.
NO - Repair the power supply and the ground circuit.
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