E.C.C. TROUBLE DIAGNOSES (Models with catalyzer without E.G.R.) — Diagnostic Procedure 6 — AIR-FUEL RATIO CONTROL SOLENOID VALVE (Not self-diagnostic item)
EF & EC-64wiring diagramL = L.H.D. models, R = R.H.D. models. UP arrows with L/R markers indicate routing variations between left- and right-hand-drive layouts.
Diagnostic Procedure 6
AIR-FUEL RATIO CONTROL SOLENOID VALVE (Not self-diagnostic item)
Air-fuel ratio control solenoid valve circuit
Components (5)
E.C.U.Ignition switch ON or STARTFuse blockS.M.J.Carburetor air-fuel ratio control solenoid valve
Connections (4)
Fuse block
Fuse blockS.M.J.:C4W/G
S.M.J.
S.M.J.:C4E.C.U.W/G— Main harness / Engine room harness
E.C.U.
E.C.U.Carburetor air-fuel ratio control solenoid valveG/OR— Engine harness
Carburetor air-fuel ratio control solenoid valve
Carburetor air-fuel ratio control solenoid valveE.C.U.W/G— Engine harness