Nissan Sentra manuals

Nissan Sentra Service Manual: Ecu diagnosis information

Ipdm e/r (intelligent power distribution module engine room)

Reference Value

Values on the diagnosis tool


Terminal layout


Terminal layout

Physical values


Physical values





Fail-safe


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


If no can communication is available with bcm

Ignition relay malfunction detection function


Ignition relay malfunction detection function

Note:


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 second activation and 20 second stop five times.

Note:


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:


NOTE:

The details of TIME display are as follows.

System description
Component parts Component parts location Ipdm e/r System Relay control system Relay control system : system diagram Relay control system : system description Description IPDM E/R ...

Wiring diagram
Ipdm e/r (intelligent power distribution module engine room) Wiring diagram ...

Other materials:

Moonroof switch
Description Transmits switch operation signal to moonroof motor assembly. Diagnosis Procedure Regarding Wiring Diagram information, refer to RF-13, "Wiring Diagram". 1.Check moonroof switch input signal Turn ignition switch on. Check voltage between moonroof motor assembly harne ...

Wiring diagram
Intelligent key system/engine start function Wiring diagram Nissan vehicle immobilizer systemnats Wiring Diagram Vehicle security system Wiring diagram ...

Ecm branch line circuit
Diagnosis procedure 1.Check connector Turn the ignition switch off. Disconnect the battery cable from the negative terminal. Check the terminals and connectors of the ecm for damage, bend and loose connection (unit side and connector side). Is the inspection result normal? Yes > ...

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