S2000 L4-1997cc 2.0L DOHC (VTEC) MFI (2001)
YES - Go to step 6.
NO - Remove the starter and diagnose its internal problems.
6. Check the following wires in the order listed until you find the open circuit.
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Between the ignition switch and the starter cut relay.
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Between the ignition switch and the start switch.
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Between the start switch and the starter cut relay.
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Between the start switch and body ground.
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Between the starter cut relay and the starter.
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Check the ignition switch, the start switch, the clutch interlock switch, and those connectors.
7. Check engine speed during cranking. Is engine speed above 100 rpm?
YES - Go to step 8.
NO - Remove and disassemble the starter, and check for the following until you find the cause.
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Excessively worn starter brushes
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Open circuit in commutator brushes
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Dirty or damaged helical spline or drive gear
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Faulty drive gear clutch
8. Check the cranking voltage and current draw. Is cranking voltage 8.5 volts and higher, and current draw below 380 amps?
YES - Go to step 9.
NO - Remove and disassemble the starter, and check for the following until you find the cause.
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Open circuit in starter armature commutator segments
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Starter armature dragging
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Shorted armature winding
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Excessive drag in engine
9. Remove the starter and inspect its drive gear and the flywheel ring gear for damage. Replace any damaged parts.