Honda CBR600F4I (2001-2003) [438/492] Ignition system

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17 IGNITION SYSTEM SYSTEM DIAGRAM 17 0 IGNITION SYSTEM INSPECTION 17 4 SERVICE INFORMATION 17 1 IGNITION PULSE GENERATOR 17 6 TROUBLESHOOTING 17 3 IGNITION TIMING 17 8 SERVICE INFORMATION GENERAL Some electrical components may be damaged if terminals or connectors are connected or disconnected while the igni tion switch is turned to ON and current is present When servicing the ignition system always follow the steps in the troubleshooting sequence on page 17 3 This motorcycle s Ignition Control Module ICM is built into the Engine Control Module ECM The ignition timing does not normally need to be adjusted since the ECM is factory preset The ECM may be damaged if dropped Also if the connector is disconnected when current is flowing the excessive volt age may damage the module Always turn off the ignition switch before servicing A faulty ignition system is often related to poor connections Check those connections before proceeding Make sure the battery is adequately charged Using the starter motor with a weak battery results in a slower engine cranking speed as well as no spark at the spark plug Use spark plug of the correct heat range Using spark plug with an incorrect heat range can damage the engine The direct ignition coil that the ignition coil and spark plug cap are integrated is adopted in this motorcycle Refer to section 5 for Throttle Position TP sensor cam pulse generator and ECM inspection SPECIFICATIONS SPECIFICATIONS ITEM Spark plug Iridium NGK DENSO IMR9A 9H IUH27D 0 80 0 90 mm 0 031 0 035 in Spark plug gap Ignition coil peak voltage_______________________________ 100 V minimum Ignition pulse generator peak voltage 0 7 V minimum Ignition timing F mark _________________ _____________________ 13 BTDC at idle ______ 17 17 1

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