UK Car Repair Questions? Ask a Mechanic for Answers ASAP
I am sorry that you have not been helped yet. I just came online and saw your question
Ok, there are several possible causes including faulty ecu, data line fault, or dlc short or open. I need the vin number to pull the wiring schematics for your vehicle
Ok, I pulled up my database for this by the vin number and while I have some information, I dont have ecu pinouts or wiring diagrams, so I will need to opt out and see if another expert has them to be able to help you
Hi Sandy .
Have you sorted out this issue .
Okay Sandy thank you . did you say you tried your ECM in another car and you had communication with the scan tool .
Okay when this happens we find that the cran shaft sensor malfunctions ,
Causing the Scan tool to to communicate with the ECM .
Disconnect the battery .
Disconnect the main connection on the injection pump .
Reconnect the battery
Check for communication with scan tool .
If you now have comms replace the speed sensor on the injection pump .
Do this then get back to me if needed.
Okay no problem .we have time .
Okay good thank you .
Looks like you have a wiring harness short .
But first check the fuse No.4 cig lighter fuse . Fuse box drivers side under dash .
check all the fuses .
Check on the DLC pin 16v you should have battery power at all times .
Does the scan tool turn on but it says no communication ??
or does not turn on at all.
Okay if the ECM worked on another car then you will have a comms problem though the wiring harness .
you will have to check the wiring from the DLC to the ECM.
Upper left hand side kick panel,