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How to Exam an Ignition Management Module

The electronic ignition control module is really a good condition "On/Off" switch for the ignition process. The module receives a signal from the sensor inside of the distributor. The sign is then applied to fireplace the ignition coil developing the electricity with the spark plugs. The ignition module may well be found inside of the distributor, on the distributor housing, or mounted to your facet with the engine compartment. Whenever a module goes negative, it normally fails completely and also the engine will never operate at all. Examining your ignition module is definitely an straightforward process that needs just the most straightforward of car diagnostic tool.

Remove one plug wire on the spark plug and insert an outdated spark plug into your end of your plug boot. Place the spark plug over a steel area about the engine. Crank the motor and look for a spark for the previous spark plug. No spark over the plug indicates an ignition difficulty.

Check for voltage within the coil beneficial terminal once the ignition vital is on. Place the red lead from the multimeter to the constructive coil terminal. Position the black direct into the battery damaging terminal. Turn on the ignition switch into the "Run" situation. The multimeter need to go through battery voltage at the good terminal. If voltage is not current, then the situation is with the ignition change or ignition wiring circuit.

Locate the ignition module constructive ( ) wire. Convert the main element "Run" placement devoid of setting up the motor. Pierce the optimistic wire with all the multimeter's purple direct. There must be a looking at of battery voltage at the wire. If battery voltage just isn't existing, look for an open up circuit among the wire plus the ignition swap, read through codes with Multi-Di@g Obtain J2534.

Locate the ignition module unfavorable (-) wire. Pierce the destructive wire while using the multimeter's crimson lead. Remove the distributor cap without taking away the spark plug wires. Rotate the distributor center shaft by hand or by cranking the engine. Observe the distributor rotor because the engine is remaining cranked about. Should the distributor rotor fails to turn, then the distributor or distributor gears are lousy. The multimeter should really go through voltage alternating in between battery voltage and nil.

Replace the ignition module if your multimeter looking at fails to fluctuate between battery voltage and 0 as being the distributor is popping. Install the distributor cap and fasten it securely into the distributor. Disconnect the multimeter through the ignition module and battery.

INstalling for 2013-II Multi-Di@g Accessibility J2534 Pass-Thru OBD2 Product:

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