DIAGNOSIS CODE CHART

caution

During diagnosis, a diagnosis code associated with other system may be set when the ignition switch is turned on with connector(s) disconnected. On completion, confirm all systems for diagnosis code(s). If diagnosis code(s) are set, erase them all.
If more than three minutes elapse after the ignition switch is turned "ON" without starting engine, the electric power steering-ECU may set diagnosis codes U1100 and U1102 as past trouble.

Code No.	Diagnostic item	Reference pages or actions
C1511	Torque sensor main system malfunction
C1512	Torque sensor sub system malfunction
C1513	Large difference between main torque sensor and sub torque sensor
C1514	Torque sensor power supply abnormality
C1521	Vehicle speed sensor input malfunction
C1522	Engine speed input malfunction
C1531	Motor terminal voltage abnormality
C1532	Over real current of motor
C1533	Motor current sensor problem	Replace the electric power steering-ECU (Refer to ).
C1534	Under real current of motor
C1541	Locking fail safe relay on.
C1542	Fail-safe relay stuck off.
C1607	Control unit malfunction
C1860	Power supply voltage abnormality (high voltage)
C1861	Power supply voltage abnormality (low voltage)
U1073	Bus off
U1100	Engine-related time-out
U1102	CAN communication time-out with ABS-ECU or TCL/ASC-ECU
U1120	Engine-related failure information
U1122	ABS-ECU or TCL/ASC-ECU failure information

note

Engine-A-M/T-ECU* : Engine Automated Manual Transmission electronic control unit