Test TC-46A - No CCD Bus Messages (DTC 66)
WARNING: This page is about a different car, the 1994 Eagle Vision, 1994 Dodge Intrepid, 1994 Chrysler New Yorker, 1994 Chrysler LHS, and 1994 Chrysler Concorde. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
For circuit & connector terminal identification, see CONNECTOR IDENTIFICATION DIRECTORY TABLE
. For wiring diagrams, see WIRING DIAGRAMS
section. After each repair, perform TEST VER-2
.
NOTE:
Chrysler Collision Detection (CCD) bus test is automatic.
- Turn ignition on. Using DRB, select TRANSMISSION and then EATX. If DRB does not display BUS OPERATIONAL, see VEHICLE COMMUNICATIONS TESTS in TESTS W/CODES - BODY CONTROL COMPUTER article in the ENGINE PERFORMANCE section. If DRB displays BUS OPERATIONAL, go to next step.
- If DRB displays NO RESPONSE, repair transmission. If DRB does not display NO RESPONSE, go to next step.
- Using DRB, select ENGINE and erase trouble codes. Start engine. Allow engine to idle for one minute. Using DRB, read trouble codes. If DRB displays NO CCD MESSAGES RECEIVED, go to step 5). If DRB does not display NO CCD MESSAGES RECEIVED, go to next step.
- At this time, the condition required to set trouble code is not present. Inspect wiring and connectors, Repair as required. If wiring and connectors are okay, see INACTIVE TROUBLE CODE CONDITION . Test is complete.
- Turn ignition off. Disconnect Powertrain Control Module connector. PCM is located under cleaner. Disconnect Transmission Control Module (TCM) connector. TCM is located between left front fender and battery. Go to next step.
- Using an external ohmmeter, check resistance of White/Black wire between PCM connector terminal No. 46 and TCM connector terminal No. 4. If resistance is more than 5 ohms, repair open White/Black wire. If resistance is less than 5 ohms, go to next step.
- Using an external ohmmeter, check resistance of Violet/Brown wire between PCM connector terminal No. 26 and TCM connector terminal No. 43. If resistance is more than 5 ohms, repair open Violet/Brown wire. If resistance is less than 5 ohms, replace PCM.