Trouble Diagnoses — Self-diagnosis — Mode IV
EF & EC-73prose procedureSelf-diagnosis — Mode IV
In switches ON/OFF diagnosis system, ON/OFF operation of the following switches can be detected continuously.
• Idle switch
• Ignition switch "START"
• Vehicle speed sensor
Self-diagnosis Mode IV Details
- 1(1) Idle switch & Ignition switch "START" The switches ON/OFF status at the point when mode IV is selected is stored in E.C.U. memory. When either switch is turned from "ON" to "OFF" or "OFF" to "ON", the red L.E.D. on E.C.U. alternately comes on and goes off each time switching is detected.
- 2(2) Vehicle speed sensor The switches ON/OFF status at the point when mode IV is selected is stored in E.C.U. memory. When vehicle speed is 20 km/h (12 MPH) or slower, the green L.E.D. on E.C.U. is off. When vehicle speed exceeds 20 km/h (12 MPH), the green L.E.D. on E.C.U. comes "ON".