Question about 2001 Jeep Cherokee
1388 is the auto shutdown relay. I'd check that first as if there is no signal coming from there it can disrupt other functions. 622 is a problem problem with the alternator field. check the wiring on the alternator and make sure there is continuity between the alt field and the computer. 340 is the pickup coil in the distributor (cam sensor) I'd check that last as it may read that way due to the asd relay problem. Best manual to use for electrical is chiltons.
Posted on Jun 03, 2010
Testimonial: "Thanks for your reply, but my Cherokee continues to explosions at boot and off, change IAC, cleaned Camshaft sensor, 1 minute and turns off. Apply scanner and read "Not detected Best Regards"
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Posted on Jan 02, 2017
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