Easy. The front three coils are under the plastic 3000 badge on the front cylinder head. There is a single 10mm bolt holding in each coil. Once the bolt is removed disconect the wire attached to the the top, and the coil comes out. The rear coils are not under anything, but are harder to get to with all the other stuff back there. Removal is the same as the front three.
The most common cause that will trigger the P1320 code is the ignition coils. One or more ignition coils may have failed.
Follow the ignition coils from the spark plugs to the distributor then follow the wires from there to the transisitor unit. it should be marked with an X
The fron three are located under the plate that says Nissan, 3000, etc.... then there are tree ignition coils with 2 screws on each, with those remove you will reveal the spark plugs, they are down about 12-16 in. Then for the other three look futher back for the same type of ignition coils when located reove the and repeat the cycle.
Disconnect the battery. Remove the ignition coils. Remove the ignition control module that was under the coils, and replace it.
I work at a Nissan dealership & a technician says this is the code for the ignition coils
It costs $4,500 to $5,000 to replace ignition coils on a land rover 09 LR two
Unplug ignition coils one at a time until you find the one that doesn't effect the rpm's.That's the one that's bad.
Pull the plastic cover off the top (head) of your engine the coils are lined up on the top of your engine. Next you will need to unplug the coils from the connecting wires. After you unplug them you can simply pull the ignition coils out and replace them with your new ones.
There is a total of 4 ignition coils.
take the air filter housing off on left side the ignition coils