Nissan Rogue (T33) 2021-Present Service Manual: System Description :: Diagnosis System (eps Control Unit)

Nissan Rogue (T33) 2021-Present Service Manual / Steering :: Steering Control System / System Description :: Diagnosis System (eps Control Unit)

CONSULT Function

APPLICATION ITEMS

CONSULT can display each diagnostic item using the diagnostic test modes shown following:

Diagnosis mode	CGW Status			Description
Diagnosis mode	Restricted Mode	Diag Test Mode	Open Mode	Description
Self Diagnostic Result	Display	Display	Display	Display non-network DTC which power steering control module memorizes
CGW Information^*1	Display^*1	Display^*1	Display^*1	Display the current CGW mode^1 Enables CGW to switch mode^1
Data Monitor	Display	Display	Display	Displays power steering control module input/output data in real time
ECU Identification	Display	Display	Display	Displays power steering control module part number
Configuration^*2	Display	Display	Display	The Nissan Ariya vehicle specification that is written in power steering control module can be displayed or stored The Nissan Ariya vehicle specification can be written when power steering control module is replaced
Network-DTC^*2	Display	Display	Display	Display network DTC which power steering control module memorizes when performing "Diagnosis (All System)".
CAN Diag Support Monitor^*2	Display	Display	Display	NOTE: The mode is indicated, but not monitored

*1: In some vehicles, it is not malfunctioning in case of no display of "CGW Information". In this case, it is not necessary to switch the CGW status.

*2: Displays when performing "Diagnosis (All System)".

CGW INFORMATION

Display the diagnosis mode which a user can perform in Diag Test mode/Open Mode by switching the CGW status from Restricted mode to Diag Test Mode/Open Mode.

For the method of switching CAN Gateway status, refer to CONSULT Function.

NOTE:

In some vehicles, it is not malfunctioning in case of no display of "CGW Information". In this case, it is not necessary to switch the CGW status.

SELF-DIAG RESULTS MODE

Refer to DTC Index.

When “CRNT” is displayed on self-diagnosis result.

The system is presently malfunctioning.

When “PAST” is displayed on self-diagnosis result.

System malfunction in the past is detected, but the system is presently normal.

Freeze frame data (FFD)

The following vehicle status is recorded when DTC is detected and is displayed on CONSULT:

MONITOR ITEM	Unit	Description
Ignition switch counter	(0 – 255)	The number of times that ignition switch ON after the DTC is detected is displayed. When “0” is displayed: It indicates that the system is presently malfunctioning. When except “0” is displayed: It indicates that system malfunction in the past is detected, but the system is presently normal. NOTE: Each time when ignition switch OFF to ON, numerical number increases in 1→2→3...38→255. When the operation number of times exceeds 255, the number do not increase and “255” is displayed until self-diagnosis is erased.
Mileage	km	-

MONITOR ITEM

Unit

Description

Ignition switch counter

(0 – 255)

The number of times that ignition switch ON after the DTC is detected is displayed.

When “0” is displayed: It indicates that the system is presently malfunctioning.
When except “0” is displayed: It indicates that system malfunction in the past is detected, but the system is presently normal.

NOTE:
Each time when ignition switch OFF to ON, numerical number increases in 1→2→3...38→255. When the operation number of times exceeds 255, the number do not increase and “255” is displayed until self-diagnosis is erased.

Mileage

DATA MONITOR MODE

NOTE:

The following table includes information (items) inapplicable to this Nissan Ariya vehicle: For information (items) applicable to this vehicle, refer to CONSULT display items.

Monitor item	Unit	Remarks
Steering torque	Nm	Displays steering torque detected by power steering torque sensor.
Demanded motor current	A	Displays the current value demanded by EPS motor.
Assist level	%	Displays the current percentage of the allowable assist ratio EPS motor.
EPS warning	-	Displays the EPS system warning status.
Demanded assistance torque	Nm	Displays the assist torque of EPS motor being output by the power steering control module.
Measured motor current	A	Displays the current value consumed by EPS motor.
ECU temperature	°C	Displays the temperature of the power steering control module.
Battery voltage	V	Displays the power supply voltage for power steering control module.
Auto stop start status	-	Displays but not used.
Nissan Ariya Vehicle speed	KPH	Displays the vehicle speed.
ENGINE STATUS	-	Displays the engine status.
Auto stop start sub-sys mode	-	Displays but not used.
Filter	-	Displays but not used.
Battery disconnect count	-	Displays the count of disconnected 12V battery terminal .

ECU IDENTIFICATION

Displays the part number stored in the power steering control module.

RE/PROGRAMMING, CONFIGURATION

Programming includes the following functions.

Function		Description
Read/Write Configuration	Before replacing ECU	Allows the reading of Nissan Ariya vehicle specification (parts number) written in power steering control module to store the specification in CONSULT. Allows the saving of Nissan Ariya vehicle specification (parts number) written in power steering control module to store the specification in CONSULT.
Read/Write Configuration	After replacing ECU	Allows the writing of Nissan Ariya vehicle information (parts number) stored in CONSULT into the power steering control module.

 System Description. System

Eps System System Description SYSTEM DIAGRAM Parts name Function Power steering control module Refer to STEERING GEAR ASSEMBLY. EPS motor Refer to STEERING GEAR ASSEMBLY. Power ...

 Ecu Diagnosis Information. Power Steering Control Module

Reference Value VALUES ON THE DIAGNOSIS TOOLNOTE: The following table includes information (items) inapplicable to this Nissan Ariya vehicle. For information (items) applicable ...

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