Hi,
When you connect the scan tool, does it power up normally? If not, first check pin 16 for power. That should have battery voltage at all times. If it is good, check pins 4 and 5 for continuity to ground.
I attached a pic below showing the pin locations.
Let me know what you find.
Take care,
Joe
See pic below.
Image (Click to make bigger)
SPONSORED LINKS
Sunday, September 11th, 2022 AT 5:41 PM