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Author Topic:   2000 jeep cherokee P1694(M)/P1698(M)
koni
Junior Member
posted 09-20-2006 10:30 PM     Click Here to See the Profile for koni     Edit/Delete Message   Reply w/Quote
2000 Jeep Cherokee 4 liter/6 with aftermarket car starter won't start. Error codes are P1694(M) P1698(M) and "no bus" comes up on odometer.

We thought we found the problem with a shorter wire in the car starter but that didn't solve the problem. Checked all of the fuses, replaced the ECM, still doesn't start and came up with the same codes.
Where can we get a wiring schematic?

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jeff compton
Member
posted 09-21-2006 07:16 AM     Click Here to See the Profile for jeff compton   Click Here to Email jeff compton     Edit/Delete Message   Reply w/Quote
A chiltons Manual or a print out from an AllData account. Did it work fine before the car starter was installed? Any blown fuses? Will a scanner communicate? I think you have an issue with the ASD circuit!

good luck and keep me postted

Jeff

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Mee_Too
Junior Member
posted 09-21-2006 08:57 PM     Click Here to See the Profile for Mee_Too     Edit/Delete Message   Reply w/Quote
I just found this forum while doing a Google search of two trouble codes I've been picking up with a scanner ('99 Jeep Cherokee).

One of the codes I got was also P1694. The scanner message read "No Message Engine Bus" and the shop manual version is "No CCD Messages received from ECM," which the manual says means "Bus communication failure to PCM." That doesn't sound very specific, I'm not sure why I'm getting that.

According to the shop manual, P1698 means "No CCD/J1850 Message From TCM" which apparently indicates "No CCD/J1850 messages received from the electronic transmission control module (EATX) or the Aisin transmission controller."

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jeff compton
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posted 09-22-2006 04:09 PM     Click Here to See the Profile for jeff compton   Click Here to Email jeff compton     Edit/Delete Message   Reply w/Quote
The definitions are different depending on whose code reader software etc you're using but it means the same, the PCM is not communicating with other modules correcttly, Check for any blown fuses in the fuse box!

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Mee_Too
Junior Member
posted 09-22-2006 05:44 PM     Click Here to See the Profile for Mee_Too     Edit/Delete Message   Reply w/Quote
Thanks for the info, Jeff!

I just found this forum, and appreciate all the help given here...didn't mean to hijack koni's thread...as I mentioned, I found this site while "Googling" P1694, and it brought me to this thread.

I'll check the fuses out as you suggested.

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koni
Junior Member
posted 09-22-2006 06:07 PM     Click Here to See the Profile for koni     Edit/Delete Message   Reply w/Quote
<I just found this forum, and appreciate all the help given here...didn't mean to hijack koni's thread...as I mentioned, I found this site while "Googling" P1694, and it brought me to this thread.>

That's fine, it's nice to know that someone is reading and responding.

My husband spent the day yesterday printing out wiring diagrams and I hope that tomorrow he'll solve the mystery of why my daughter's jeep won't start.

BTW, the aftermarket car starter has been on the car for about 2 years. He found a wire that had been worn through and was really hoping that would be the problem. Of course, life is never that simple.

I'll post back when he's found something. Keep your fingers crossed!

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carfixer
Member
posted 09-22-2006 08:11 PM     Click Here to See the Profile for carfixer     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by koni:

BTW, the aftermarket car starter has been on the car for about 2 years. He found a wire that had been worn through and was really hoping that would be the problem.


Can you tell me where the wire is coming from and where it's going to. It may be the problem. It's possible it did something if it shorted.

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koni
Junior Member
posted 09-22-2006 09:02 PM     Click Here to See the Profile for koni     Edit/Delete Message   Reply w/Quote
It came from the remote car starter and went to the switch on the brake pedal.

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juglamerico
Junior Member
posted 10-04-2006 09:47 PM     Click Here to See the Profile for juglamerico   Click Here to Email juglamerico     Edit/Delete Message   Reply w/Quote
I've got the same problem, no starting in my '99 Jeep Cherokee with dtc p1694, changed coil, check cables, no spark. Can someone give me some advice?

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jeff compton
Member
posted 10-05-2006 04:47 PM     Click Here to See the Profile for jeff compton   Click Here to Email jeff compton     Edit/Delete Message   Reply w/Quote
will a scan tool communicate with the pcm?

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juglamerico
Junior Member
posted 10-09-2006 12:26 PM     Click Here to See the Profile for juglamerico   Click Here to Email juglamerico     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by jeff compton:
will a scan tool communicate with the pcm?

I used a generic scantool and it gave me the p1694, yes it appears to be communicating. Someone told me its probably the crankshaft position sensor..???

[This message has been edited by juglamerico (edited 10-09-2006).]

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jeff compton
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posted 10-09-2006 01:22 PM     Click Here to See the Profile for jeff compton   Click Here to Email jeff compton     Edit/Delete Message   Reply w/Quote
good possibillity

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juglamerico
Junior Member
posted 10-17-2006 07:59 AM     Click Here to See the Profile for juglamerico   Click Here to Email juglamerico     Edit/Delete Message   Reply w/Quote
Yes, it was the crankshaft position sensor, replace it and the jeep started ok...thanks

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jeff compton
Member
posted 10-17-2006 12:20 PM     Click Here to See the Profile for jeff compton   Click Here to Email jeff compton     Edit/Delete Message   Reply w/Quote
the part has a high rate of failure!

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HMOtsuga
Junior Member
posted 10-28-2006 11:17 PM     Click Here to See the Profile for HMOtsuga   Click Here to Email HMOtsuga     Edit/Delete Message   Reply w/Quote
I found this site while googling "No bus on odometer". I got Jeep 2000, 4.0/6 cyl. Key symbol lights up, check engine light is on, None of the gauges works, all fuses and relays are okay. It seems that it is exactly same as JUGLAMERICO's problem. I started working on Crankshaft position sensor, disconnected it from a connector. Amazingly, all gauges works."No Bus" don't show anymore.
I got the part on order. I will let you know the outcome when I put the new parts. Thank you for that information....

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HMOtsuga
Junior Member
posted 11-05-2006 10:01 AM     Click Here to See the Profile for HMOtsuga   Click Here to Email HMOtsuga     Edit/Delete Message   Reply w/Quote
Just got my part (crankshaft position sensor) put in. My jeep started fine...

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Krizal
Junior Member
posted 11-19-2006 10:46 AM     Click Here to See the Profile for Krizal     Edit/Delete Message   Reply w/Quote
Do 1998 jeep cherokees have a crankshaft position sensor?? because im getting a p1694 and i have no spark i check all fuse they seemed ok thanks

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jeff compton
Member
posted 11-19-2006 12:29 PM     Click Here to See the Profile for jeff compton   Click Here to Email jeff compton     Edit/Delete Message   Reply w/Quote
yes!

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koni
Junior Member
posted 12-16-2006 03:25 PM     Click Here to See the Profile for koni     Edit/Delete Message   Reply w/Quote
You guys ROCK!

I originally started this thread a while back because my husband couldn't figure out what was wrong with my daughters jeep because the codes didn't make any sense to him. I joined the forum, posted the question and finally convinced my husband to actually go and replace the part!

**IT WORKS***

Thank you! Thank you! Thank you!

My daughters jeep had been sitting in the driveway for months, she's happily cruising along in her own car and not using mine.

The man is usually a mechanical genius, but this one had him baffled. Now, he's pleased as punch with himself for getting it fixed.

Best,

Koni

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