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Home >> Infiniti >> 2012 >> 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 >> Main Line Between PWBD And TPMS Circuit >> CAN
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CAN




MAIN LINE BETWEEN PWBD AND TPMS 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 (connector side and harness side).
-Harness connector B201
-Harness connector M117
Is the inspection result normal?
YES- GO TO 2.
NO- Repair the terminal and connector.

2. CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.Disconnect the harness connectors B201 and M117.
2.Check the continuity between the harness connector terminals.





Is the inspection result normal?
YES- GO TO 3.
NO- Repair the main line between the automatic back door control unit and the harness connector
B201.

3. CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.Disconnect the connector of low tire pressure warning control unit.
2.Check the continuity between the harness connector and the low tire pressure warning control unit harness connector.





Is the inspection result normal?
YES (Present error)-Check CAN system type decision again.
YES (Past error)-Error was detected in the main line between the automatic back door control unit and the low tire pressure warning control unit.
NO- Repair the main line between the harness connector M117 and the low tire pressure warning control unit.
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