How to remove and install the Ignition Control Module in a Nissan 240sx?

Later vehicle models do not use an "Ignition Control Module" in the distributor assembly. Remove the distributor cap and pull the rotor from the distributor shaft. The rotor on most vehicles is held to the distributor shaft by a retaining screw, which must be removed. Remove the wiring harness and the vacuum controller from the housing. Using 2 flat bladed screwdrivers, place one on each side of the reluctor and pry it from the distributor shaft when removing the reluctor, be careful not to damage or distort the teeth. Remove the roll pin from the reluctor. Mark and remove the breaker plate assembly and separate the IC unit from it. Be careful not to lose the spacers when you remove the IC unit. To install, reverse the removal procedures. When you install the roll pin into the reluctor position the cutout direction of the roll pin in parallel with the notch in the reluctor. Make sure that the harness to the IC ignition unit is tightly secured, then adjust the air gap between the reluctor and the stator.

Genuine Nissan 240SX Ignition Control Module

Ignition Spark Control Module

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Nissan 240SX Power TRANSISTER Assembly
Part Number: 22020-56E11
Product Specifications
- Other Name: Transistor Ignition Unit
- Manufacturer Note: HANSHIN
- Replaced by: 22020-53J20
- Warranty: This genuine part is guaranteed by Nissan's factory warranty.
Fits the following Vehicles:
- 1989-1994 Nissan 240SX | 4 Cyl 2.4L | KA24D, KA24E

Nissan 240SX Ignition Control Module

The Nissan 240SX Ignition Control Module supervises the switching of the coils so that the engine gets a strong spark at the correct time for reliable combustion. The earlier models of the 240SX utilized an Ignition Control Module that was installed on the distributor. The module was triggered by a reluctor and a pickup or hall sensor. The transistor opens and closes the coil circuit rapidly. The same transistor also feeds a higher voltage to the plugs. In moving the 240SX to distributorless ignition, Nissan made the Ignition Control Module into a separate igniter driven by crankshaft sensor signals and the computer for sharper timing and better durability. The older type of distributor unit takes care of advance with centrifugal and vacuum hardware, whereas the later style lets software set all timing. When an Ignition Control Module fails, it inhibits coil power. This results in a cranking engine but no spark. A test will start with checking for power at the coil. It will then watch a test light flicker. The module switches ground. Routine checks of the voltage and resistance can detect a weakening Ignition Control Module before it leaves a Nissan driver stranded.

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Nissan 240SX Ignition Control Module Parts Questions & Experts Answers

Power TRANSISTER Assembly
22020-56E11
Q: How to remove and install the Ignition Control Module in a Nissan 240sx?
A:
Later vehicle models do not use an "Ignition Control Module" in the distributor assembly. Remove the distributor cap and pull the rotor from the distributor shaft. The rotor on most vehicles is held to the distributor shaft by a retaining screw, which must be removed. Remove the wiring harness and the vacuum controller from the housing. Using 2 flat bladed screwdrivers, place one on each side of the reluctor and pry it from the distributor shaft when removing the reluctor, be careful not to damage or distort the teeth. Remove the roll pin from the reluctor. Mark and remove the breaker plate assembly and separate the IC unit from it. Be careful not to lose the spacers when you remove the IC unit. To install, reverse the removal procedures. When you install the roll pin into the reluctor position the cutout direction of the roll pin in parallel with the notch in the reluctor. Make sure that the harness to the IC ignition unit is tightly secured, then adjust the air gap between the reluctor and the stator.