TROUBLE DIAGNOSES — Diagnostic Table (Cont'd) — Symptom & Condition 5: Hard to start — before warm-up
EF & EC-43flowchartDiagnostic Table (Cont'd)
SYMPTOM & CONDITION 5 — Hard to start — before warm-up
Possible Causes vs. Check Step Matrix
| System | Possible Causes | 1 | 2 | 3 | 4 | 5 | 6 |
|---|---|---|---|---|---|---|---|
| SPECIFICATIONS | Mixture ratio | O | O | ||||
| IGNITION SYSTEM | Ignition switch (no start signal) | O | O | ||||
| INTAKE SYSTEM | Air regulator | O | |||||
| CONTROL SYSTEM | Engine temperature sensor | O | O | ||||
| CONTROL SYSTEM | Idle switch | O | |||||
| CONTROL SYSTEM | Neutral switch | O | |||||
| OTHERS | Starter (operation too slow) | O | |||||
| OTHERS | Battery (voltage too low) | O | O |
SPECIFICATIONS
Possible CausesMixture ratio
1
2
3O
4
5
6O
IGNITION SYSTEM
Possible CausesIgnition switch (no start signal)
1O
2
3O
4
5
6
INTAKE SYSTEM
Possible CausesAir regulator
1
2
3O
4
5
6
CONTROL SYSTEM
Possible CausesEngine temperature sensor
1
2
3
4
5O
6O
CONTROL SYSTEM
Possible CausesIdle switch
1
2
3
4O
5
6
CONTROL SYSTEM
Possible CausesNeutral switch
1O
2
3
4
5
6
OTHERS
Possible CausesStarter (operation too slow)
1O
2
3
4
5
6
OTHERS
Possible CausesBattery (voltage too low)
1O
2O
3
4
5
6
SERVICE PROCEDURE
Hard to start — before warm-up Service Procedure
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