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

Nissan Maxima Service and Repair Manual / Driver controls / Wiper & washer / ECU diagnosis information / IPDM E/R (intelligent power distribution module engine room)

Reference Value

VALUES ON THE DIAGNOSIS TOOL

Nissan Maxima. VALUES ON THE DIAGNOSIS TOOL

Nissan Maxima. VALUES ON THE DIAGNOSIS TOOL

TERMINAL LAYOUT

Nissan Maxima. TERMINAL LAYOUT

PHYSICAL VALUES

Nissan Maxima. PHYSICAL VALUES

Nissan Maxima. PHYSICAL VALUES

Nissan Maxima. PHYSICAL VALUES

Nissan Maxima. PHYSICAL VALUES

Nissan Maxima. 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

Nissan Maxima. CAN COMMUNICATION CONTROL

If No CAN Communication Is Available With BCM

Nissan Maxima. 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.

Nissan Maxima. IGNITION RELAY MALFUNCTION DETECTION FUNCTION

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.

Nissan Maxima. FRONT WIPER CONTROL

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

Nissan Maxima. 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 IIUser Guide for additional information. Activate and display T ...

    Wiring diagram
    ...

    Other materials:

    P1705 TP sensor
    Description The electric throttle control actuator consists of throttle control motor, accelerator pedal position sensor, throttle position sensor, etc. The actuator sends a signal to the ECM, and ECM sends the signal to TCM via CAN communication. DTC Logic DTC DETECTION LOGIC DTC CONF ...

    Shift lock system
    Description The selector lever cannot be shifted from "P" position to any other position unless the ignition switch is in the ON position and the brake pedal is depressed. Component Function Check 1. CHECK CVT SHIFT LOCK OPERATION  Turn ignition switch ON.  Move selec ...

    Exterior lighting system symptoms
    Symptom Table CAUTION: Perform the self-diagnosis with CONSULT before the symptom diagnosis. Perform the trouble diagnosis if any DTC is detected. ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

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