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Search: Posts Made By: art1217
Showing results 1 to 25 of 66
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Forum: C4 Tech/Performance
05-12-2006, 03:51 PM
Replies: 6
Views: 450
Posted By art1217

When it will not start is the SYS and Security...

When it will not start is the SYS and Security lights on? If this is the case, the car will not start. Sounds close to a heat problem with my 93 which ended up being the ECM. Put an ice bag on the...
Forum: C4 Tech/Performance
05-04-2006, 06:00 PM
Replies: 5
Views: 315
Posted By art1217

When I had a similiar problem (mine was the...

When I had a similiar problem (mine was the serial com link on a '93, Sys, Security, and ABS/ASR) and I suspected the ECM had a temperature problem, I forced the problem by using a heat gun (hair...
Forum: C4 Tech/Performance
04-30-2006, 12:53 PM
Replies: 9
Views: 628
Posted By art1217

Sorry about the 92. My 93 has it in the rear...

Sorry about the 92. My 93 has it in the rear which matches my Helms Manual.
Forum: C4 Tech/Performance
04-30-2006, 12:07 PM
Replies: 9
Views: 628
Posted By art1217

The receiver is located in the right rear floor...

The receiver is located in the right rear floor storage compartment and held by a hook and loop fastener. The antenna connection terminates at this location and this box controls the antenna mast...
Forum: C4 General Discussion
04-04-2006, 06:03 PM
Replies: 15
Views: 745
Posted By art1217

When I had problems with the CD, I called Bose...

When I had problems with the CD, I called Bose for some advice. They refered me to GM. Called GM. GM refered me to Bose.

Nobody wanted credit for that system!!!
Forum: C4 Tech/Performance
03-22-2006, 06:02 PM
Replies: 7
Views: 435
Posted By art1217

The way the system is partioned and based on what...

The way the system is partioned and based on what the ECM versus CCM tasks, it is very unlikely the system is confused. If the serial link is down, the CCM will set a code and will not be able to...
Forum: C4 Tech/Performance
03-22-2006, 05:49 PM
Replies: 5
Views: 464
Posted By art1217

Similiar problem on my 93. Check the three way...

Similiar problem on my 93. Check the three way valve under the passenger side injector cover. It is plastic and over time the plsatic fails. $3 - 4 part at any auto parts store.
Forum: C4 General Discussion
03-17-2006, 01:33 PM
Replies: 22
Views: 1,026
Posted By art1217

Did mine this way. Took longer and I ended up...

Did mine this way. Took longer and I ended up hugging the tire to get a wrench on the bolt and nut. Next time, I'll remove the tire. Used a trick to get the shock in. Collapse the shock and tie...
Forum: C4 Tech/Performance
01-12-2006, 06:03 PM
Replies: 5
Views: 336
Posted By art1217

Is the battery in the key fob good?

Is the battery in the key fob good?
Forum: C4 Tech/Performance
01-03-2006, 06:03 PM
Replies: 2
Views: 326
Posted By art1217

If its like my 93, there is a three way plastic...

If its like my 93, there is a three way plastic check valve under the passenger side injector cover. That $4 part gets very hot and brittle and breaks apart. One output of the check valve goes to...
Forum: C4 Tech/Performance
12-28-2005, 06:08 PM
Replies: 22
Views: 1,025
Posted By art1217

Yes it is in the manual in great detail. Also...

Yes it is in the manual in great detail. Also tells how to issue commands to turn lights on, etc.

Art
Forum: C4 Tech/Performance
11-30-2005, 06:18 PM
Replies: 30
Views: 10,864
Posted By art1217

Had heat problems with my 93 but with different...

Had heat problems with my 93 but with different symptoms. The serial com link would fail and then work after I put a bag of ice on the ECM. The ECM gets cooked under the hood and average time...
Forum: C4 Tech/Performance
11-30-2005, 06:08 PM
Replies: 6
Views: 874
Posted By art1217

The cable in my 93 followed the same path as the...

The cable in my 93 followed the same path as the electrical harness and is connected in the same general area as the harness under the back molding in the hatchback area. This assumes a coupe. Do...
Forum: C4 Tech/Performance
10-18-2005, 04:58 PM
Replies: 9
Views: 1,381
Posted By art1217

It is the same. Replaced my antenna last year on...

It is the same. Replaced my antenna last year on my '93. Took less than two hours but was sure hard on the arms.
Forum: C4 Tech/Performance
09-10-2005, 04:38 PM
Replies: 12
Views: 5,089
Posted By art1217

You can cycle the DAB relay using the CCM Manual...

You can cycle the DAB relay using the CCM Manual Diagnostics under CCM Diagnostic Mode 1.4. The procedure uses a jumper from A to G on the DLC connector but is too long to copy here but is covered...
Forum: C4 Tech/Performance
09-08-2005, 09:17 PM
Replies: 4
Views: 420
Posted By art1217

Check the three way valve under the passenger...

Check the three way valve under the passenger side fuel injector cover.
Forum: C4 Tech/Performance
09-08-2005, 09:07 PM
Replies: 12
Views: 5,089
Posted By art1217

That is the way the car is designed to work with...

That is the way the car is designed to work with the key turned to the off position from on position. The radio and windows will work for approx. 15 minutes unless the door is opened. Open the...
Forum: C4 General Discussion
08-07-2005, 01:35 PM
Replies: 9
Views: 345
Posted By art1217

And the 3 way valve under the passenger side...

And the 3 way valve under the passenger side injector cover. That was my problem and was a $3 fix.
Forum: C4 Tech/Performance
08-01-2005, 05:57 PM
Replies: 11
Views: 974
Posted By art1217

My experience has been that once the engine is...

My experience has been that once the engine is running, the communication link from the CCM to the ECM can be interrupted or trashed and the car will continue to run and run fine. Once stopped it...
Forum: C4 Tech/Performance
07-22-2005, 05:39 PM
Replies: 47
Views: 3,188
Posted By art1217

The CCM controls the Dash Display, interior...

The CCM controls the Dash Display, interior lights, power delay bus, fans, etc as well as is the master on the serial bus. The ECM, ABS/ASR and A/C computers are also on this bus. The CCM must be...
Forum: C4 Tech/Performance
07-20-2005, 01:35 PM
Replies: 10
Views: 477
Posted By art1217

Had a similar problem but the smoke came from the...

Had a similar problem but the smoke came from the A/C clutch. I had a oil leak and oil was sucked up into the clutch. When the clutch engaged, depending on the amount of oil, I would get greyish...
Forum: C4 Tech/Performance
05-18-2005, 09:51 PM
Replies: 5
Views: 358
Posted By art1217

The data bus is not directly tied to the dimming...

The data bus is not directly tied to the dimming which is driven by the CCM. The Sys light indicates the CCM found a fault, one of which is the dimming circuit. The wiring diagam will show the...
Forum: C4 Tech/Performance
03-17-2005, 07:40 PM
Replies: 4
Views: 362
Posted By art1217

The strange thing is that the dealer says it is...

The strange thing is that the dealer says it is normal yet it only occurs when the car warms up. I think the dealer is wrong. As for no going back, if the chip is in the ECM, it can be reolaced...
Forum: C4 General Discussion
03-16-2005, 06:04 PM
Replies: 4
Views: 312
Posted By art1217

If the SYS and Security flashed and the car would...

If the SYS and Security flashed and the car would not start after it was turned off, the most probable failure is the serial communication link due to a ECM, wire, or CCM in that order. The reason...
Forum: C4 Tech/Performance
03-16-2005, 05:53 PM
Replies: 4
Views: 362
Posted By art1217

On my '93 it turned out to be a heat sensitive...

On my '93 it turned out to be a heat sensitive ECM. Used a heat gun to reproduce the symptoms in the garage. Heated the cool ECM with a heat gun, ignition on, engine off and after a minute the...
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