Having problems with your 2007 Suzuki XL-7 ?

After replacing the engine, the passenger side bank has no spark, why is this? Can you tell me some options . Thank you.

Posted / edited by AnonymousUser on : 24-01-2022

Answers :

There are two separate circuits for your ignition coils. Fuse 18 supplies power for the EVEN numbered coils and fuse 19 provides power for the ODD numbered coils. The right bank of cylinders are number 1-3-5 and the left bank of cylinders are 2-4-6. If the fuse is blown, you need to find out WHY. It could be that the wire between the coils and the fuse is shorted to ground or it could be a shorted/defective coil. An open ground circuit on one side will also make one complete bank inoperable.
\012Since you just changed the engine I would first check to make sure that you got your grounds connected. The coils ground at G-107 and G-108. Ground G-107 is located toward the rear of the cylinder head directly above the starter. G-108 is located near the front of the other cylinder head/block area.
\012 If you find the fuse blown, I would recommend pulling the fuse out and disconnecting all of the coils on that bank and checking for continuity to ground on the PINK/BLACK wires at the coil connectors. If there is continuity to ground, then you must trace the circuit beween the coils and the fuse block to find out where it is shorted.
\012If there is no continuity to ground, then you should check the resistance of the coils. Check the resistance between the two coil connector pins. If you find one coil with considerably less resistance than the others, this is your problem-child. Normal resistance should be around 11 or 12 Ohms.
\012If no difference can be seen by checking resistance between each of the coil pins, then also check for continuity between the coil pins and ground. There should be no continuity. If you find a coil that has continuity between either of its two connector pins and ground, then THIS is your problem.
Repair Help & Product Troubleshooting for 2007 Suzuki XL-7

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