Trouble Diagnoses — Diagnostic Procedure 7 (Cont'd)
EF & EC-95flowchartDiagnostic Procedure 7 (Cont'd)
1
INSPECTION START
2
CHECK INPUT SIGNAL.
1) Perform switch ON/OFF diagnosis (in Mode IV).
2) Make sure red L.E.D. comes "ON" or goes "OFF" when accelerator pedal is depressed.
O.K.
INSPECTION END
N.G.
3
CHECK POWER SOURCE.
1) Disconnect idle switch harness connector.
2) Turn ignition switch "ON".
3) Check voltage between terminal e and ground.
Voltage: Approximately 9 - 10V
N.G.
CHECK CONTINUITY BETWEEN E.C.U. AND IDLE SWITCH.
CHECK CONTINUITY BETWEEN E.C.U. AND IDLE SWITCH.
1) Turn ignition switch "OFF".
2) Disconnect E.C.U. connector.
3) Disconnect idle switch harness connector.
4) Check resistance between E.C.U. terminal 57 and terminal e.
Resistance: Approximately 0Ω
If N.G., repair or replace harness.
O.K.
4
CHECK COMPONENT (Idle switch).
Refer to "Electrical Components Inspection".
(See page EF & EC-124.)
N.G.
Check if idle switch is installed in proper position.
Check if idle switch is installed in proper position.
If N.G., adjust it by turning idle switch.
If O.K., replace idle switch.
O.K.
5
CHECK GROUND CIRCUIT.
Check resistance between E.C.U. terminal 54 and terminal d.
Resistance: Approximately 0Ω
N.G.
Repair or replace harness.
O.K.
6
Reinstall any part removed.
7
CHECK IDLE SWITCH OPERATION.
1) Perform switch ON/OFF diagnosis (in Mode IV).
2) Make sure that red L.E.D. comes "ON" or goes "OFF" when accelerator pedal is depressed.
INSPECTION END