18. IGNITION SYSTEM MXU 500 IRS IGNITION COIL INSPECTION IGNITION COIL PRIMARY PEAK VOLTAGE Check cylinder compression and check that the spark plugs is installed correctly in the cylinder. Disconnect the spark plug cap from the spark plug. Spark Plug Cap Spark Plug Connect known good spark plug to the spark plug cap and ground the spark plugs to the cylinder as done in the spark test. Spark Plug Cap Turn the ignition switch to "ON" and engine stop switch ON. Turn the engine stop switch in RUN (OFF ROAD). Connect the multi-meter (+) probe to the Brown/Blue wire and the multi-meter (-) to the body ground. Check for initial voltage at this time. The battery voltage should be measured. If the initial voltage cannot be measured, check the power supply circuit. Ignition Coil 18-4