Nissan Note [12/22] Stc 12
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Nissan Note [12/22] Stc 12

Nissan Note [12/22] Stc 12
STC-12
[EPS]
TROUBLE DIAGNOSIS
Display Item List
CAUTION:
When malfunctions are detected in several system, including the “CAN COMM [U1000]”, inspect the
CAN communication system.
DATA MONITOR
Operation Procedure
1. Touch “START (NISSAN BASED VHCL)” “EPS” “DATA MONITOR”.
● If EPS is not displayed, print the “SELECT SYSTEM” screen. Then refer to LAN-3, "Precautions When
Using CONSULT-II" .
NOTE:
Just after starting engine, or turning ignition switch ON, it may not be displayed even if “START (NIS-
SAN BASED VHCL)” is touched. In this case, reconnect CONSULT-II and CONSULT-II CONVERTER.
2. Return to the monitor item selection screen, and touch any of “ALL SIGNALS”, “SELECTION FROM
MENU”.
3. Touch “START”.
4. “DATA MONITOR” screen is displayed.
Display Item List
DTC code Diagnostic item Diagnostic item is detected when.... Check items
C1601 BATTERY_VOLT Power supply malfunction supplied to EPS. STC-15
C1604 TORQUE_SENSOR Torque sensor malfunction assembled in column assembly. STC-16
C1606 EPS_MOTOR Motor driver malfunction of motor or EPS control unit. STC-17
C1607 EEPROM EEPROM malfunction of EPS control unit. STC-18
C1608 CONTROL_UNIT EPS control unit internal malfunction. STC-18
C1609 CAN_VHCL_SPEED Vehicle speed signal malfunction received via CAN communication. STC-19
C1610 CAN_ENG_PRM Engine signal malfunction received via CAN communication. STC-19
U1000 CAN_COMM_CIRCUIT Malfunction is detected in CAN communication circuit. STC-20
Item (Display or Unit) Remarks
MOTOR VOL (V) Displays power supply voltage supplied EPS control unit
TORQUE SENSOR (Nm) Displays steering wheel turning force detected by torque sensor
MOTOR SIG (A) Displays command value of a current sent to motor
MOTOR CURRENT (A)
Displays current value used by EPS.
NOTE:
Quick steering may cause mismatch with a command value.
This is not a malfunction.
VEHICLE SPEED (km/h)
In close agreement with a vehicle speed read by speedometer. It
may not agree immediately after ignition key switch ON, how-
ever, this is not a malfunction.
WARNING LAMP (ON/OFF) EPS warning lamp operation condition is displayed
DERATING STAT (ON/OFF)
Under normal conditions OFF. It turns on if the steering wheel is
turned excessively. When left standing, it recovers to OFF.
ENGINE STATUS (stop, stall, run, and crank) Displays engine status

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