Nissan Maxima Service and Repair Manual: U1263 USB

DTC Logic

Nissan Maxima. U1263 USB

Diagnosis Procedure

1.CHECK USB HARNESS

Visually check USB harness.

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    DTC Logic Diagnosis Procedure 1.GPS ANTENNA CHECK Inspect GPS antenna and antenna feeder for damage or poor connection. 2.CHECK AV CONTROL UNIT VOLTAGE Turn ignition switch ON. Check ...

    U1300 AV comm circuit
    Description U1300 is indicated when malfunction occurs in communication signal of multi AV system. Indicated simultaneously, without fail, with the malfunction of control units connected to AV co ...

    Other materials:

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    System Diagram System Description *1: ECM determines the start signal status by the signals of engine speed and battery voltage. *2: This signal is sent to the ECM via the CAN communication line. SYSTEM DESCRIPTION The evaporative emission system is used to reduce hydrocarbons emitte ...

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    Reference Value NOTE: The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information. Activate and display TPMS transmitter IDs Display tire pressure reported by the TPMS transmitter Read TPMS DTCs Re ...

    Power supply and ground circuit
    AV CONTROL UNIT AV CONTROL UNIT : Diagnosis Procedure 1.CHECK FUSES Check that the following fuses of the AV control unit are not blown. 2.POWER SUPPLY CIRCUIT CHECK Disconnect AV control unit connectors M115 and M119. Check voltage between the AV control unit connectors M115 and ...

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