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Home >> Infiniti >> 2008 >> G35 Sport >> Repair and Diagnosis >> Steering >> Power Steering >> Steering Control System >> With 4WAS >> Function Diagnosis >> Diagnosis System (4WAS Main Control Unit) >> CONSULT-III Function [4WAS(MAIN)/RAS/HICAS] >> Self-Diag Result Mode
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Self-Diag Result Mode

Display Item List

DISPLAY ITEM LIST

Items (CONSULT-III screen terms) Diagnostic item is detected when... Possible cause
CONTROL UNIT [ABNORMAL1] [C1900] An error is detected inside 4WAS main control unit. 4WAS main control unit error
CONTROL UNIT [ABNORMAL2] [C1901] An error is detected inside 4WAS main control unit. 4WAS main control unit error
MOTOR OUTPUT [REV CURRENT] [C1902] 4WAS rear motor current error is detected.
(4WAS rear motor current output direction differs.)
4WAS rear motor error
MOTOR OUTPUT [NO CURRENT] [C1903] 4WAS rear motor current error is detected.
(Current is input to 4WAS main control unit if 4WAS main control unit output is "OFF".)
4WAS rear motor error
MOTOR OUTPUT [OVERCURRENT] [C1904] 4WAS rear motor current error is detected.
(4WAS rear motor output current is large.)
4WAS rear motor error
CONTROL UNIT [ABNORMAL3] [C1905] An error is detected inside 4WAS main control unit. 4WAS main control unit error
CONTROL UNIT [ABNORMAL5] [C1906] An error is detected inside 4WAS main control unit. 4WAS main control unit error
CONTROL UNIT [ABNORMAL4] [C1907] An error is detected inside 4WAS main control unit. 4WAS main control unit error
CONTROL UNIT [ABNORMAL7] [C1908] An error is detected inside 4WAS main control unit. 4WAS main control unit error
CONTROL UNIT [ABNORMAL6] [C1909] An error is detected inside 4WAS main control unit. 4WAS main control unit
MOTOR OUTPUT [MOTOR LOCK] [C1910] Inside 4WAS rear motor error is detected.
(4WAS main motor does not move or the rear wheel angle sensor value does not change if 4WAS main control unit output is 14A or more.)
4WAS rear motor error
MOTOR VOLTAGE [LOW VOLTAGE] [C1911] 4WAS rear motor voltage error is detected.
(4WAS rear motor voltage is low.)
4WAS rear motor power supply error
MOTOR VOLTAGE [BAD OBSTRCT] [C1912] 4WAS rear motor voltage error is detected.
(Voltage is applied to 4WAS main motor if 4WAS main control unit output is "OFF".)
4WAS rear motor power supply error
MOTOR OUTPUT [ABNORML SIG] [C1913] 4WAS rear motor current error is detected.
(4WAS main motor does not move or the rear wheel angle sensor output does not change when 4WAS main control unit output is 18A or more and 4WAS main motor output is low.)
4WAS rear motor error
RR ST ANGLE SENSOR [ABNORML VOL] [C1914] The rear wheel angle sensor power supply error is detected. Rear wheel steering sensor power supply error
RR ST ANGLE SENSOR [MAIN SIGNAL] [C1915] The rear wheel angle sensor signal (main) output voltage value error is detected. Rear wheel steering sensor output voltage error
RR ST ANGLE SENSOR [SUB SIGNAL] [C1916] The rear wheel angle sensor signal (sub) output voltage value error is detected. Rear wheel steering sensor output voltage error
RR ST ANGLE SENSOR [OFFSET SIG1] [C1917] The rear wheel angle sensor signal (main and sub) error is detected.
(The output signal value differs temporarily between main and sub.)
Rear wheel steering sensor (main and sub) output signal value error signal
RR ST ANGLE SENSOR [OFFSET SIG2] [C1918] The rear wheel angle sensor signal (main and sub) error is detected.
(The output signal value differs between main and sub.)
Rear wheel steering sensor (main and sub) output signal error
VEHICLE SPEED SEN [NO SIGNAL] [C1919] Malfunction is detected in vehicle speed signal that is output from ABS actuator and electric unit (control unit) with CAN communication.
(Improper signal is input while driving.)
Vehicle speed signal error
STEERING ANGLE SEN [NO SIGNAL] [C1920] Malfunction is detected in steering angle sensor signal that is output from steering angle sensor with CAN communication.
(No transmission from the steering angle sensor)
Steering angle sensor input signal error
ENG REV SIGNAL [C1921] Malfunction is detected in engine speed signal that is output from ECM with CAN communication.
(Improper signal is input to the engine speed.)
Engine speed signal error
CONTROL UNIT [ABNORMAL8] [C1922] An error is detected inside 4WAS main control unit. 4WAS main control unit error
STEERING ANGLE SEN [NO CHANGE] [C1923] Malfunction is detected in steering angle sensor signal that is output from steering angle sensor with CAN communication.
[Steering angle sensor input signal error is detected when driving at 60 km/h (37MPH) or more.]
Steering angle sensor input signal error
STEERING ANGLE SEN [NO NEUT STATE] [C1924] Driving continuously at 10 km (6 mile) while the steering angle sensor value is other than L10° - R10°.
(Not detected in 4WAS front control unit fail-safe mode)
Steering angle sensor input signal error
AD CONVERTER [C1925] An error is detected inside 4WAS main control unit. 4WAS main control unit error
STEERING ANGLE SEN [C1926] Malfunction is detected in steering angle sensor signal that is output from steering angle sensor with CAN communication.
(When improper signal inputs to steering angle sensor and steering angle sensor itself detects the malfunction)
Steering angle sensor error
CONTROL UNIT [ABNORMAL5] [C1927] An error is detected inside 4WAS main control unit. 4WAS main control unit error
CONTROL UNIT [ABNORMAL9] [C1928] An error is detected inside 4WAS main control unit. 4WAS main control unit error
4WAS FRONT ECU [C1930] An error is detected on 4WAS front control unit side.
(4WAS front control unit fail safe mode)
4WAS front control unit fail-safe mode
4WAS FRONT ECU COMM [C1931] 4WAS communication line (1) data communication error is detected.
(An error signal is detected from 4WAS front control unit.)
4WAS communication line (1) 4WAS front control unit/4WAS main control unit error
STEERING ANGLE SEN [C1932] If the steering angle sensor error is detected.
(Steering angle sensor output value is abnormal.)
Steering angle sensor input signal error
CONTROL UNIT [C1933] An error is detected inside 4WAS main control unit. 4WAS main control unit error
CAN COMM [U1000] When 4WAS main control unit is not transmitting or receiving CAN communication signal for 2 seconds or more. CAN communication error
CONTROL UNIT (CAN) [U1010] When detecting error during the initial diagnosis of CAN controller of 4WAS main control unit. CAN communication line and 4WAS main control unit/ECM/ABS actuator and electric unit (control unit) error
(1) Communication line between 4WAS front control unit and 4WAS main control unit