Trouble Diagnoses — Diagnostic Table (Cont'd) — Symptom & Condition 23: Engine stall — while loading
EF & EC-61flowchartDiagnostic Table (Cont'd)
SYMPTOM & CONDITION 23 — Engine stall — while loading
Possible Causes Matrix — Engine stall while loading
SPECIFICATIONS
POSSIBLE CAUSESIgnition timing
1
2O
3
4
5
SPECIFICATIONS
POSSIBLE CAUSESIdle speed (too low)
1O
2
3
4
5
INTAKE SYSTEM
POSSIBLE CAUSESA.A.C. valve
1O
2
3O
4
5
INTAKE SYSTEM
POSSIBLE CAUSESF.I.C.D. solenoid (remaining OFF)
1O
2
3
4O
5
CONTROL SYSTEM
POSSIBLE CAUSESIdle switch (remaining OFF)
1O
2
3
4
5O
SERVICE PROCEDURE
Service Procedure — Engine stall while loading
1
MEASURE 1: Measure idle speed. (Tachometer)
N.G.
Adjust idle speed. [See page EF & EC-25.]
O.K.
2
CHECK 2: Check ignition timing. (Timing light)
N.G.
Adjust ignition timing. [See page EF & EC-22.]
O.K.
3
CHECK 3: Check A.A.C. valve and/or its circuit. [See page EF & EC-106.]
O.K.
4
CHECK 4: Check terminal voltage of F.I.C.D. solenoid.
N.G.
Check the part and/or circuit. [See HA section.]
O.K.
5
PERFORM 5: Perform self-diagnosis Mode IV (for idle switch).
N.G.
6
Check the idle switch circuit. [See page EF & EC-94.]
See also
EF & EC-25IDLE SPEED/IGNITION TIMING/IDLE MIXTURE RATIO INSPECTIONEF & EC-22Direct Ignition System (Cont'd) — Checking Ignition Timing and Idle SpeedEF & EC-106Diagnostic Procedure 12 — AUXILIARY AIR CONTROL (A.A.C.) VALVE (Not self-diagnostic item)HA sectionEF & EC-94Diagnostic Procedure 7 — IDLE SWITCH (Switch ON/OFF diagnosis)