2000 Honda S2000FACTORY OEM SERVICE PROCEDURE

Symptom Troubleshooting Index

TROUBLESHOOTING CHART

Symptom Diagnostic procedure Also check for
Engine does not start (does not crank)
  1. Check for loose battery terminals or connections.
  2. Test the battery for a low charge (see BATTERY TEST ).
  3. Check the starter (see STARTER SYSTEM CIRCUIT TROUBLESHOOTING ).
  4. Check the starter cut relay (see ELECTRICAL COMPONENT LOCATOR ).
  5. Check the clutch interlock switch (see CLUTCH INTERLOCK SWITCH TEST ).
  6. Check the ignition switch or wire (see IGNITION SWITCH ).
  7. Check the engine start switch.
 Poor ground at G401
Engine cranks, but does not start
  1. Check for PGM-FI DTCs.
  2. Check the IMMOBI status and function (see TROUBLESHOOTING ('06-09 MODELS) ).
  3. Check the fuel pressure:
  4. Check for a plugged or damaged fuel line:
  5. Check for a plugged fuel filter:
  6. Check the throttle body:
  7. Check for low engine compression (see ENGINE COMPRESSION INSPECTION ).
  8. Check for a damaged or broken cam chain.
  9. '06-09 models: Do the engine control module (ECM) reset in the PGM-FI INSPECTION menu to cancel ALL INJECTORS STOP with the Honda Diagnostic System (HDS).
  
Engine is hard to start
  1. Check for PGM-FI DTCs.
  2. Check the fuel pressure:
  3. Check for a plugged or damaged fuel line:
  4. Check for a plugged fuel filter:
 
Engine cranks slowly
  1. Check for loose battery terminals or connections.
  2. Test the battery for a low charge (see BATTERY TEST ).
  3. Check the starter for binding (see STARTER OVERHAUL ).
  4. Check for excessive drag in the engine.
  
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.