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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 994 (LAN System) >> Can >> Component Diagnosis >> IPDM-E Branch Line Circuit >> Diagnosis Procedure >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  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 IPDM E/R 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 IPDM E/R.
    2. Check the resistance between the IPDM E/R harness connector terminals.
    RESISTANCE SPECIFICATION

    IPDM E/R harness connector Resistance (Ω)
    Connector No. Terminal No.
    E17 40 39 Approx. 108 - 132

    Is the measurement value within the specification? 

    YES: GO TO 3.

    NO: Repair the IPDM E/R branch line.

  3. CHECK POWER SUPPLY AND GROUND CIRCUIT

    Check the power supply and the ground circuit of the IPDM E/R. Refer to "DIAGNOSIS PROCEDURE ".

    Is the inspection result normal? 

    YES (Present error): Replace the IPDM E/R. Refer to "REMOVAL AND INSTALLATION ".

    YES (Past error): Error was detected in the IPDM E/R branch line.

    NO: Repair the power supply and the ground circuit.

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