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Sephia [FB] > 2000 > Engine > 1.8 DOHC
SYMPTOM-RELATED DIAGNOSTIC PROCEDURE
Symptom Guide
No.
1 Will not crank - starter motor does not operate
2 Will not crank - starter motor spins
3 Cranks slowly
4 Generator warning light illuminates with engine running
5 Discharged battery
6 Misfire
Symptom troubleshooting
1 Will not crank - starter motor does not operate
step Inspection Action
1 Check if engine cranks with fully charged battery. Yes Check charging system.
No Go to next step.
2 Check if battery voltage is suppliedat B terminal.
Yes Go to next step.
No Check wiring harness.
3 Check if battery voltage is supplied at S terminal with clutch pedal depressed (M/T), car in park (A/T), and ignition switch in START position.
Yes Replace starter unit.
No 1) Check starter clutch pedal position switch (M/T).
2) Check transmission range switch (A/T).
3) Check ignition switch. (Refer to Electrical troubleshooting manual)
4) Check wiring harness.
2 Will not crank - starter motor spins
step Inspection Action
1 Check if drive pinion is pulled out while cranking.
(Click heard when pulled out.)
Yes Remove starter and check flywheel ring gear teeth and starter drive pinion teeth.
No Replace starter unit.
3 Cranks slowly
step Inspection Action
1 Check if engine cranks normally when fully charged. Yes Check charging system.
No Go to next step.
2 Check starter cable connection for loosensess and corrosion.
Yes Repair or replace connection.
No Check for seized motor armature. repair or replace as necessary.
4 Generator warning lamp illuminates with engine running
step Inspection Action
1 Check for correct battery voltage at idle.
Specification : 14.1~14.7V Yes Check wiring harness between generator L terminal and generator warning lamp.
No Check charging system.
5 Discharged battery
step Inspection Action
1 Check charging system. Yes Turn ignition switch ON andcheck dark current as shown.
Dark current : Blow 20mA
No Repair or replace parts as necessary.
6 Misfire
step Inspection Action
1 Disconnect spark plug wire from each spark plug and check for strong blue spark while cranking. Yes Check spark plug.
If OK, engine electrical system is normal.
If not OK, clean or replace spark plug.
No Check ignition system.