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DTC C2402: Motor-Electrical: DTC Detecting Condition

DTC DETECTING CONDITION

DTC No Condition Possible Cause
C2402 [Motor relay open, motor short to GND]:
  • If the motor relay is switched ON and Vmr < (Vign - (4+/-0.5V)) continued for 49msec,the failure is detected.

[Motor open, motor short to BATT]:
  • After 1.8sec from the time that motor relay is switched OFF, Vmr > 4+/-0.5V continued for 1.8sec, the failure is detected.

[Motor lock]:
  • After motor relay is switched OFF, VMR is measured. If the time which Vmr > 1+/-0.1V is less than evaluation time, recheck is performed again for a maximum of three times. When VMR is not normal even on the third recheck, the controller recognizes it as failure.

If the motor relay is switched OFF and motor power supply voltage < 4V continued for 200ms, the failure is detected.
[Motor fuse open]:
  • If the motor relay is switched OFF and Vmrp < 4+/-0.5V continued for 1sec, the failure is detected.
  • Open/short in motor regal or motor circuit.
  • Motor lock
  • Faulty HECU