How is the ECU scanned on a Toyota Tacoma?
How is the ECU scanned on a Toyota Tacoma?
No experience here, but from what you’ve posted I would suspect that the “helpful” tech had your answer. The Toyota scanners check for proper volatage/resistance prior to flashing the ECU.
Why is my OBDII not communicating with scan tool?
The adviser said that there must be an aftermarket wire getting power from a power wire that runs to or from the ECU. They will not perform a re-flash until the amperage/ohms read from the OBDII are what they should be.
Can a car scan communicate with a computer?
3rd: Same day as general mechanic, Auto Electrician with shop WAS able to get his scanner to communicate with my trucks computer. It showed no errors and that everything was fine. Tried it several times and it worked fine.
Do you have a code reader not a scan tool?
Okay you have a code reader not a scanner or scan tool. Scanners read live date while the cars are running.And yes you do have to input specific year make and model on them. If your using the type to pull codes and not getting communication try checking power etc…
Can you get scanner to connect to ECM?
Found TDG while I was trying to research a problem on my 2000 Sterling at9500 with a CAT C12 I have a check engine light on the dash. So I connected my OTC Scanner and it replied not connected!!! I checked the diagnostic Plug on the truck and I have power to the right of the center plug and ground in the center like its suppose too?
What to do if the OBD II scanner doesn’t communicate with the vehicle?
What to do if the OBD II scanner doesn’t communicate with the vehicle. TEST 1: Connect the positive DMM lead to DLC pin 4 and the negative DMM lead to the negative battery terminal, using jumper wires if necessary. Do not connect to the body or chassis ground but to the battery terminal directly.
Okay you have a code reader not a scanner or scan tool. Scanners read live date while the cars are running.And yes you do have to input specific year make and model on them. If your using the type to pull codes and not getting communication try checking power etc…
Can a car scanner read the live date?
Scanners read live date while the cars are running.And yes you do have to input specific year make and model on them. If your using the type to pull codes and not getting communication try checking power etc… If you are in the 2g check for voltage on pin 16 and check ground on pins 4 and 5. They are numbered really small.