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NOTE: If the output between the orange leads to the ECU are within tolerance but the ECU output is Injector Coil Output Test (Static) 1. Remove the spark plugs and ground them to the cylinder heads. 2. Unplug the double lead connector at the ECU having two blue/white wires. 3. Test between the two blue/white leads in the connector harness from the stator plate. 4. Pull the recoil briskly. Reading should be approximately 80 volts. Injector Coil Output Test (Running) 1. Install the spark plugs and tighten securely. 2. Connect the double lead connector to the ECU leaving just enough room to make contact with the 3. Start the engine and test between the two blue/white leads in the double connector. Reading should be ECU Output To The Injectors 1. Using two paper clips, insert them into the number 1 (MAG-side) connector (yellow and yellow/red 2. Start the engine. Reading should be approximately 20 volts. NOTE: Repeat the same test as above for injector number 2. Switch meter leads to the green and High Speed Charge Coil Test (Static) 1. Remove the spark plugs and ground them to the cylinder heads. 2. Unplug the triple plug connector (brown - black - green) from the ECU. 3. Test between the green and black wires in the triple plug connector from the stator. Pull the recoil High Speed Charge Coil Test 1. Install the spark plugs and tighten securely. 2. Connect the triple lead connector to the ECU; then using two paper clips enter the connector from the 3. Start the engine and test between the green and black wires in the triple lead connector. Readings RPM VOLTS 2000 112 3000 168 4000 216 Low Speed Charge Coil Test (Static) 1. Remove the spark plugs and ground them to the cylinder heads. 2. Unplug the triple plug connector (brown -black - green) from the ECU. 3. Test between the green and brown wires in the triple plug connector from the stator. Pull the recoil Low Speed Charge Coil Test (Running) 1. Install the spark plugs and tighten securely. 2. Using two small paper clips, enter the back side of the triple plug connector and make contact with the 3. Start the engine and test between the green and black wires. Readings should be as follows: RPM VOLTS 2000 104 3000 176 4000 200 ECU Output To External Coil (Static) 1. Remove the spark plugs and ground them to the cylinder heads. 2. Leaving the external coil connected to the ECU, contact one small lead with the black meter probe 4 4-55 |