SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSHONDA2009S2000 BASEREPAIR AND DIAGNOSISELECTRICALCHARGING SYSTEMSCHARGING SYSTEMSYMPTOM TROUBLESHOOTING INDEX
2009 Honda S2000 Base

Symptom Troubleshooting Index

2009 Honda S2000 BaseSECTION Symptom Troubleshooting Index

'00-05 models 

TROUBLESHOOTING CHART

Symptom Diagnostic procedure Also check for
Charging system indicator does not come on with the ignition switch in ON (II) Troubleshoot the charging system indicator circuit
(see CHARGING SYSTEM INDICATOR CIRCUIT TROUBLESHOOTING ).		  
Charging system indicator stays on
  1. Troubleshoot the charging system indicator circuit (see CHARGING SYSTEM INDICATOR CIRCUIT TROUBLESHOOTING ).
  2. Check for a broken drive belt (see DRIVE BELT INSPECTION ).
  3. Check the drive belt auto-tensioner (see DRIVE BELT AUTO-TENSIONER INSPECTION ).
  
Battery discharged
  1. Check for a poor connection at the battery terminal.
  2. Check for a broken drive belt (see DRIVE BELT INSPECTION ).
  3. Test the battery (see BATTERY TEST ).
  4. Troubleshoot the alternator and regulator circuit (see ALTERNATOR AND REGULATOR CIRCUIT TROUBLESHOOTING ).
  5. Check the drive belt auto-tensioner (see DRIVE BELT AUTO-TENSIONER INSPECTION ).
  6. Check for excessive parasitic electrical current draw with the ignition switch in LOCK (0), and the key removed. The multiplex control unit may take up to 10 minutes to turn off (sleep mode) for some models.
  
Battery overcharged
  1. Test the battery (see BATTERY TEST ).
  2. Troubleshoot the alternator and regulator circuit (see ALTERNATOR AND REGULATOR CIRCUIT TROUBLESHOOTING ).
  

'06-09 models 

TROUBLESHOOTING CHART

Symptom Diagnostic procedure Also check for
Charging system indicator does not come on with the ignition switch in ON (II) Troubleshoot the charging system indicator circuit
(see ALTERNATOR AND REGULATOR CIRCUIT TROUBLESHOOTING ).		  
Charging system indicator stays on
  1. Troubleshoot the charging system indicator circuit (see ALTERNATOR AND REGULATOR CIRCUIT TROUBLESHOOTING ).
  2. Check for a broken drive belt (see DRIVE BELT INSPECTION ).
  3. Check the drive belt auto-tensioner (see DRIVE BELT AUTO-TENSIONER INSPECTION ).
  4. Check for PGM-FI DTCs (see DTC TROUBLESHOOTING ).
  
Battery discharged
  1. Check for a poor connection at the battery terminal.
  2. Check for a broken drive belt (see DRIVE BELT INSPECTION ).
  3. Test the battery (see BATTERY TEST ).
  4. Troubleshoot the alternator and regulator circuit (see ALTERNATOR AND REGULATOR CIRCUIT TROUBLESHOOTING ).
  5. Check the drive belt auto-tensioner (see DRIVE BELT AUTO-TENSIONER INSPECTION ).
  6. Check for excessive parasitic electrical current draw with the ignition switch in LOCK (0), and the key removed. The multiplex control unit may take up to 10 minutes to turn off (sleep mode) for some models.
  
Battery overcharged
  1. Test the battery (see BATTERY TEST ).
  2. Troubleshoot the alternator and regulator circuit (see ALTERNATOR AND REGULATOR CIRCUIT TROUBLESHOOTING ).
  
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

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

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote 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.