Car does not respond to Obd2?

2000 TOYOTA COROLLA
167,000 MILES • 1.8L • 4 CYL • 2WD • AUTOMATIC
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LUKE WALLACE
  • MEMBER
  • 1 POST
Hello, i have try to use a obd2 code reader for my car but does not respond to it, it will only tell me the voltage on the battery. i hope you can help. thank you
Oct 28, 2023 at 1:03 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,240 POSTS
Hi,

Does the scan tool power up? If it does (it sounds like it does), then we need to check the chassis and signal ground pins for ground. I attached general info below.

Take a look at the pics below and let me know what you find. Check grounds and confirm pin 16 has B+ voltage.

Let me know.

joe

See pics below.
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Oct 29, 2023 at 1:51 PM
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