Nissan Altima HL32 Hybrid. Manual - part 1066

 

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Nissan Altima HL32 Hybrid. Manual - part 1066

 

 

EPS CONTROL UNIT

STC-43

< ECU DIAGNOSIS >

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ECU DIAGNOSIS

EPS CONTROL UNIT

Reference Value

INFOID:0000000004212881

VALUES ON THE DIAGNOSIS TOOL

Monitor item

Condition

Value/Status

VEHICLE SPEED

Vehicle stopped

0.00 km/h

Vehicle running

CAUTION:

Check air pressure of tire under stan-
dard condition.

Approximately equal to the indication on speedome-
ter (Inside of 

±10%)

MTR Q CRNT

Steering wheel: Steering

The values are changed in proportion by steering 
wheel turning force

MTR CRNT CMND

Steering wheel: Steering

The values are changed in proportion by steering 
wheel turning force

STR ANGL SPD

Steering wheel: Steering

The values are changed in proportion by steering 
speed

THERM TEMP

Ignition switch: ON

−40 – 150 degC

IGN VOLT

Ignition switch: ON

10 – 14 V

STR ANGL SIG

Ignition switch: ON

The details for data of steering angle sensor signal 
are as follow:
0: OK
1: Steering angle sensor is not learning
2: Steering angle sensor malfunction
3: Communication malfunction

TRQ SEN1 ANG

Steering wheel: Steering

The values are changed in proportion by steering 
wheel turning force

TRQ SEN2 ANG

Steering wheel: Steering

The values are changed in proportion by steering 
wheel turning force

TRQ1 ZERO VAL

Steering wheel: Not steering
(There is no steering force)

Values differ depending on vehicle

TRQ2 ZERO VAL

Steering wheel: Not steering
(There is no steering force)

Values differ depending on vehicle

STR TORQUE

Steering wheel: Steering

The values are changed in proportion by steering 
wheel turning force

MTR ROTA ANG

Steering wheel: Steering

The values are changed from 0 to 360 deg every 38.2 
deg of steering angle

MTR D CRNT

Steering wheel: Steering

The values are changed in proportion by steering 
wheel turning force

MOTOR VOLT

Steering wheel: Not steering

0 V

Steering wheel: Steering

42 – 45 V

MTR U VOLT

Steering wheel: Steering

2 – 45 V

MTR V VOLT

Steering wheel: Steering

2 – 45 V

MTR W VOLT

Steering wheel: Steering

2 – 45 V

IG ON/OFF FRQ

Ignition switch: ON

(MAX. 255)

PRTCT OVRLD

Ignition switch: ON

It displays record of protect overload status
0: Not detected.
1: Detected in the past or current memorized

STC-44

< ECU DIAGNOSIS >

EPS CONTROL UNIT

Wiring Diagram — ELECTRONICALLY CONTROLLED POWER STEERING SYS-

MTR PWR LOW

Ignition switch: ON

It displays record of EPS motor power supply low volt-
age
0: Not detected.
1: Detected in the past or current memorized

ST ANG SIG IN

Ignition switch: ON

It displays record of steering angle sensor signal inter-
ruption
0: Not detected.
1: Detected in the past or current memorized

VHCL SPD INTR

Ignition switch: ON

It displays record of vehicle speed signal interruption
0: Not detected.
1: Detected in the past or current memorized

BATTERY VOLT

Ignition switch: ON (READY)

Battery voltage

DRDD VOLT

Ignition switch: ON (READY)

Battery voltage

HV BATT VOLT

Ignition switch: ON (READY)

183.6 – 348.8 V

PS ASIST PRMS

Ignition switch: ON (READY)

The details for data of power steering assist permis-
sion signal are as follow:
0: NG (Non-permission)
1: OK (Permission)

PS AST STP RQ

Ignition switch: ON (READY)

The details for data of power steering assist stop re-
quest signal are as follow:
0: OK (Non-request)
1: NG (Request)

EPS CNVRT SIG

Ignition switch: ON (READY)

The details for data of EPS DC/DC converter status 
are as follow:
0, 1 or 2: EPS DC/DC converter has malfunction
3: OK

PS ASSIST SIG

Ignition switch: ON (READY)

The details for power steering assist signal are as fol-
low:
0: NG (Non-assist)
1: OK (Assist)

READY STATE

Vehicle: READY mode

1

Vehicle: Except READY mode

0

ANG SEN INITL

Ignition switch: ON (READY)

OFF

TRQ SEN CLBRT

Ignition switch: ON (READY)

OFF

OFF ELEC ANG1

Ignition switch: ON

Values differ depending on vehicle

OFF ELEC ANG2

Ignition switch: ON

Values differ depending on vehicle

OFF ELEC ANG3

Ignition switch: ON

Values differ depending on vehicle

TRQ PNT AMNT

Ignition switch: ON

Values differ depending on vehicle

DTC

Ignition switch: ON

It displays the number of past and currently detected 
DTCs

Monitor item

Condition

Value/Status

EPS CONTROL UNIT

STC-45

< ECU DIAGNOSIS >

C

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STC

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TEM —

INFOID:0000000004212882

AWGWA0004G

STC-46

< ECU DIAGNOSIS >

EPS CONTROL UNIT

ABGIA0013GB

 

 

 

 

 

 

 

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