LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2008 >> G35 Base >> Repair and Diagnosis >> Steering >> Power Steering >> Steering Control System >> With 4WAS >> Ecu Diagnosis >> 4WAS Main Control Unit >> DTC Inspection Priority Chart
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Inspection Priority Chart

If some DTCs are displayed at the same time, perform inspections one by one based on the following priority chart.

DTC INSPECTION PRIORITY CHART

Priority Detected items (DTC)
1
  • U1000 CAN COMM
  • U1010 CONTROL UNIT (CAN)
2
  • C1900 CONTROL UNIT [ABNORMAL1]
  • C1901 CONTROL UNIT [ABNORMAL2]
  • C1905 CONTROL UNIT [ABNORMAL3]
  • C1906 CONTROL UNIT [ABNORMAL5]
  • C1907 CONTROL UNIT [ABNORMAL4]
  • C1908 CONTROL UNIT [ABNORMAL7]
  • C1909 CONTROL UNIT [ABNORMAL6]
  • C1922 CONTROL UNIT [ABNORMAL8]
  • C1925 AD CONVERTER
  • C1927 CONTROL UNIT [ABNORMAL5]
  • C1928 CONTROL UNIT [ABNORMAL9]
  • C1933 CONTROL UNIT
3
  • C1902 MOTOR OUTPUT [REV CURRENT]
  • C1903 MOTOR OUTPUT [NO CURRENT]
  • C1904 MOTOR OUTPUT [OVERCURRENT]
  • C1910 MOTOR OUTPUT [MOTOR LOCK]
  • C1911 MOTOR VOLTAGE [LOW VOLTAGE]
  • C1912 MOTOR VOLTAGE [BAD OBSTRCT]
  • C1913 MOTOR OUTPUT [ABNORML SIG]
  • C1914 RR ST ANGLE SENSOR [ABNORML VOL]
  • C1915 RR ST ANGLE SENSOR [MAIN SIGNAL]
  • C1916 RR ST ANGLE SENSOR [SUB SIGNAL]
  • C1917 RR ST ANGLE SENSOR [OFFSET SIG1]
  • C1918 RR ST ANGLE SENSOR [OFFSET SIG2]
4
  • C1919 VEHICLE SPEED SEN [NO SIGNAL]
  • C1920 STEERING ANGLE SEN [NO SIGNAL]
  • C1921 ENG REV SIGNAL
  • C1923 STEERING ANGLE SEN [NO CHANGE]
  • C1924 STEERING ANGLE SEN [NO NEUT STATE]
  • C1926 STEERING ANGLE SEN
  • C1932 STEERING ANGLE SEN
5
  • C1930 4WAS FRONT ECU
  • C1931 4WAS FRONT ECU COMM