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FI
FUEL INJECTION SYSTEM
Code No. 44 Symptom Error is detected while reading or writing on EEPROM
(CO adjustment value).
Used diagnostic No. 60 (EEPROM improper cylinder indication)
Inspection operation item and probable cause Operation item and countermeasure Reinstatement
method
Malfunction in ECU Execute diagnostic code 60
* Check the faulty cylinder. (If there are mul-
tiple cylinders, the number of the faulty
cylinders appear alternately at 2-second
intervals.)
* Readjust the CO of the displayed cylinder.
Refer to “ADJUSTING THE EXHAUST GAS
VOLUME” in chapter 3.
Replace ECU if defective.
Reinstated by turn-
ing the main switch
ON.
Code No. 50 Symptom Faulty ECU memory. (When this malfunction is detected in the ECU, the
fault code number might not appear on the meter.)
Used diagnostic code No.
Inspection operation item and probable cause Operation item and countermeasure Reinstatement
method
Malfunction in ECU Replace the ECU. Reinstated by turn-
ing the main switch
ON.
