Infinity Timing Sync for FD (how-to)
Infinity Timing Sync for FD (how-to)
Since AEM no longer has its own forum, typically I would resort back to a certain thread for help on this topic. The manual doesn't cover this procedure. I had to double check it for a reason and to my surprise it was gone! Hopefully they bring it back, but in the meantime ill leave it here for others and myself if become forgetful. This method is for use on the factory equipped trigger wheel.
The rew engine timing wheel is located on the back of the crank pulley sandwiched on the hub. It has a carrot like notch on the edge of the wheel if your looking at the pulley upright looking horizontal. The FSM states that this mark is 20 deg ATDC. This reading will need to be measured at the trailing front coil.
.
To get started all you need is a generic timing light. I'm talking basic as can be, but if its fancy then disable any bells and whistles that it may have. Connect the leads to a + (pos) and - (neg) terminal on either the battery or some source that can supply 12v of electricity. Take the timing light cable (the hook like thing) and clip it over the Front Trailing plug wire. Setup the light before starting the engine so that way you wont get caught in something while its running.
Start the engine an let it come to a steady idle. Depending on the light being used it may begin to run flashing intermittently like a strobe light. Connect to the infinity software and go Wizards > setupwizards > Basic setup > ignition sync. The menu should have an option to lock the timing at 10 deg BTDC. Go ahead and check this box to begin our procedure. Depending on the current ignition map currently in the car the idle may increase/decrease as soon as the box is checked.
Head over to the IgnMap tab and look for the TrailingIgnSplit table. select a field in the idle region and set it all to a value of 30. This will move the measured event to 20 deg ATDC where our mark needs to be as it crosses the arrow on the timing cover at the 11 o'clock position from the wheel.
Point the timing light at the pointer and you should be able to see the notch as the light comes on. If its out of tolerance then proceed to go back to the wizards tab for the ign sync as before and click the green or red arrows to advance or retard the ignition event being measured, The small amounts perform .5 degree increments whereas the large does 5 degree increments.
Once the timing is in tolerances revert back the split table to the way it was before or CTR+Z to undo any changes if they were not committed. Head back in the wizards ign sync tab uncheck the box to unlock the timing and use the timing in your main ign map.
Sync complete.
The rew engine timing wheel is located on the back of the crank pulley sandwiched on the hub. It has a carrot like notch on the edge of the wheel if your looking at the pulley upright looking horizontal. The FSM states that this mark is 20 deg ATDC. This reading will need to be measured at the trailing front coil.
.
To get started all you need is a generic timing light. I'm talking basic as can be, but if its fancy then disable any bells and whistles that it may have. Connect the leads to a + (pos) and - (neg) terminal on either the battery or some source that can supply 12v of electricity. Take the timing light cable (the hook like thing) and clip it over the Front Trailing plug wire. Setup the light before starting the engine so that way you wont get caught in something while its running.
Start the engine an let it come to a steady idle. Depending on the light being used it may begin to run flashing intermittently like a strobe light. Connect to the infinity software and go Wizards > setupwizards > Basic setup > ignition sync. The menu should have an option to lock the timing at 10 deg BTDC. Go ahead and check this box to begin our procedure. Depending on the current ignition map currently in the car the idle may increase/decrease as soon as the box is checked.
Head over to the IgnMap tab and look for the TrailingIgnSplit table. select a field in the idle region and set it all to a value of 30. This will move the measured event to 20 deg ATDC where our mark needs to be as it crosses the arrow on the timing cover at the 11 o'clock position from the wheel.
Point the timing light at the pointer and you should be able to see the notch as the light comes on. If its out of tolerance then proceed to go back to the wizards tab for the ign sync as before and click the green or red arrows to advance or retard the ignition event being measured, The small amounts perform .5 degree increments whereas the large does 5 degree increments.
Once the timing is in tolerances revert back the split table to the way it was before or CTR+Z to undo any changes if they were not committed. Head back in the wizards ign sync tab uncheck the box to unlock the timing and use the timing in your main ign map.
Sync complete.
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