Honda Prelude 1993 Service Manual page 1159

Starting System
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Starter Test (cont'd)
- lf the staner still does not crank the engine, re-
move the starter and diagnose its internal
problems.
- lf the starter cranks the engine, check for an open
in the BLKMHT wire and connectors between the
starter and ignition switch.
Check the ignition switch.
On cars with automatic transmission, check the
A/T gear position switch (neut.al position switch).
and connectors.
On cars with manual transmission. check the
starter cut relay, clutch interlock switch, and con-
necrors.
NOTE; Check the No. 33 (50 A) fuse in the under-
hood Juse/rel8y box and the starter cut relay,
Check for wear or damage:
The starter should crank the engine smoothly and
steadilv.
lf the starter engages, but cranks the engine errati-
cally, remove the starter motor. Check the starter,
drive gear, and flywheel ring gear for damag€.
Check the drive gear overrunning clutch for binding
or slipping when the armature is rotated with the
drive gear held. Replsce the gears if damaged.
Check cranking voltage and current draw:
Voltage should be no less than 8.5 volts.
Current should be no more than 38O amoeres.
lf voltage is too low, or current draw too high, check
for;
Low batterv.
Open circuit in starter armature commutator
segments.
Starter armature dragging,
Shorted armatur€ winding.
Excessive drag in engine.
23-80
Check crsnking rpm:
Engine speed during cranking should be above 1O0
rom.
lf soeed is too low, check tor:
a Loose battery or starter terminals.
a Excessively worn starter brushes.
a Open circuit in commutator segments.
a Dirty or damaged helical spline o. drive ge8r.
a Defective drive gesr overrunning clutch.
Check the starter disengagement:
Press the clutch pedal allthe way in {M/T}, turn the
ignition switch to "lll" and release to "ll" position.
The starter drive gear should disengage from the
flywheel ring gear.
lJ the drive gear hangs up on the flywheel ring ge8r,
check for:
a Solenoid plunger and switch malfunction.
a Dirty drive gear assembly or damaged overrun-
ning clutch.
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