22
Open circuit or short circuit of temperature sensor diagnosis and solution
(E4/E5/F1/F2/F3)
Error Code E4/E5/F1/F2/F3
Malfunction decision conditions
If the sampling voltage is lower than 0.06V or higher than 4.94V, the LED displays the
failure.
Supposed causes
S Wiring mistake
S Sensor faulty
Replace the sensor
Fig. 28 – Troubleshooting
Fig. 29 – Temperature sensor diagnosis