Nissan Maxima Service and Repair Manual: IPDM E/R (intelligent power distribution module engine room)

Reference Value

VALUES ON THE DIAGNOSIS TOOL

TERMINAL LAYOUT

PHYSICAL VALUES

Fail Safe

CAN COMMUNICATION CONTROL

When CAN communication with ECM and BCM is impossible, IPDM E/R performs fail-safe control. After CAN communication recovers normally, it also returns to normal control.

If No CAN Communication Is Available With ECM

If No CAN Communication Is Available With BCM

IGNITION RELAY MALFUNCTION DETECTION FUNCTION

  •  IPDM E/R monitors the voltage at the contact circuit and excitation coil circuit of the ignition relay-1 inside it.

  •  IPDM E/R judges the ignition relay-1 error if the voltage differs between the contact circuit and the excitation coil circuit.

  •  If the ignition relay-1 cannot turn OFF due to contact seizure, it activates the tail lamp relay for 10 minutes to alert the user to the ignition relay-1 malfunction when the ignition switch is turned OFF.

NOTE:

The tail lamp turns OFF when the ignition switch is turned ON.

FRONT WIPER CONTROL

IPDM E/R detects front wiper stop position by a front wiper auto stop signal.

When a front wiper auto stop signal is in the conditions listed below, IPDM E/R stops power supply to wiper after repeating a front wiper 10 seconds activation and 20 seconds stop five times.

NOTE:

This operation status can be confirmed on the IPDM E/R "Data Monitor" that displays "BLOCK" for the item "WIP PROT" while the wiper is stopped.

STARTER MOTOR PROTECTION FUNCTION

IPDM E/R turns OFF the starter control relay to protect the starter motor when the starter control relay remains active for 90 seconds.

DTC Index

NOTE:

The details of TIME display are as follows.

  • CRNT: The malfunctions that are detected now

  • 1 - 39: The number is indicated when it is normal at present and a malfunction was detected in the past. It increases like 0 → 1 → 2 → 38 → 39 after returning to the normal condition whenever IGN OFF → ON. It is fixed to 39 until the self-diagnosis results are erased if it is over 39. It returns to 0 when a malfunction is detected again in the process.

    BCM (body control module)
    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 dis ...

    Wiring diagram
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    Other materials:

    Antenna AMP
    Removal and Installation REMOVAL Remove the rear pillar finisher RH. Refer to INT-23, "Exploded View". Detach the antenna amp. harness clip (A). Disconnect the harness connectors (B) from the antenna amp. (1). Remove the antenna amp. screw (C) and the antenna amp. (1). INSTALLAT ...

    Brake booster
    Inspection OPERATION With engine stopped, change vacuum to atmospheric pressure by depressing brake pedal several times. Then with brake pedal fully depressed, start engine and when vacuum pressure reaches the standard, make sure that clearance between brake pedal and floor panel decreas ...

    Front wheel hub
    Removal and Installation Steering knuckle  Splash guard  Wheel hub and bearing assembly  Cotter pin REMOVAL  Remove wheel and tire using power tool. Refer to WT-60, "Adjustment".  Remove wheel sensor from steering knuckle. Refer to BRC-102, "Rem ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

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