E.C.C. Trouble Diagnoses (Models with catalyzer and E.G.R.) — Diagnostic Procedure 12 (Cont'd)
EF & EC-113flowchartApplicable to GA13DS, GA14DS & GA16DS engines (models with catalyzer and E.G.R.).
Diagnostic Procedure 12 (Cont'd)
NOTE
Applicable to models GA13DS, GA14DS & GA16DS.
Diagnostic Procedure 12 (Cont'd) — Fuel Cut Solenoid Valve
1
INSPECTION START
2
CHECK OVERALL FUNCTION. 1) Start engine and warm it up sufficiently. 2) Stop engine. 3) Turn ignition switch "ON". 4) Listen to fuel cut solenoid valve operating sound. Clicking noise should be heard.
O.K.
INSPECTION END
N.G.
3
[A] CHECK POWER SUPPLY. 1) Turn ignition switch "OFF". 2) Disconnect carburetor harness connector F7. 3) Turn ignition switch "ON". 4) Check voltage between terminal a and ground. Voltage: Battery voltage.
N.G.
Check the following. • Harness connectors F33, F37 • 10A fuse • Harness continuity between carburetor and fuse. If N.G., repair harness, fuse or connectors.
O.K.
4
CHECK OUTPUT SIGNAL CIRCUIT. 1) Turn ignition switch "OFF". 2) Disconnect E.C.U. harness connector. 3) Check harness continuity between E.C.U. terminal 104 and terminal a. Continuity should exist.
N.G.
Repair harness or connectors.
O.K.
5
CHECK COMPONENT (Fuel cut solenoid valve). Refer to "Electrical Components Inspection". (See page EF & EC-145.)
N.G.
Replace fuel cut solenoid valve.
O.K.
6
Check E.C.U. pin terminals for damage or the connection of E.C.U. harness connector.
See also
Electrical Components Inspection