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

Nissan Maxima Service and Repair Manual / Driver controls / Exterior lighting system / 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 B

Nissan Maxima. CAN COMMUNICATION CONTROL

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. GNITION 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 II User Guide for additional information. Activate and display ...

    Wiring diagram
    ...

    Other materials:

    System description
    STARTING SYSTEM System Diagram System Description The starter motor plunger closes and provides a closed circuit between the battery and the starter motor. The starter motor is grounded to the cylinder block. With power and ground supplied, the starter motor operates. Component Description ...

    Water pump
    Exploded View Water pump O-rings Timing chain tensioner Intake valve timing control solenoid valve cover (RH) (bank 1) Water pump cover Removal and Installation WARNING: Do not remove the radiator cap when the engine is hot. Serious burns could occur from high pressure co ...

    Power supply and ground circuit
    BCM BCM : Diagnosis Proce 1. CHECK FUSE AND FUSIBLE LINK Check if the following BCM fuses or fusible link are blow 2. CHECK POWER SUPPLY CIRCUIT Turn ignition switch OFF. Disconnect BCM. Check voltage between BCM harness connector and ground. 3. CHECK GROUND CIRCUIT Check con ...

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