TEMP SENSOR

1993 CHEVROLET CHEYENNE
180,000 MILES • 6 CYL • 2WD • AUTOMATIC
Avatar
ROBIN WALLING
  • MEMBER
  • 3 POSTS
CODE 15 COMES BACK ON WHEN SENSOR REPLACED RESET THE TROUBLE CODE. WIRES CHECKED
May 26, 2011 at 10:13 PM
Advertisement
Avatar
WRENCHTECH
  • ✓ASE Certified Mechanic
  • 20,761 POSTS
  • ASE Certified Mechanic
Just looking at the wires isn't testing them. All wiring has to be tested for shorts and opens and voltage drop.
May 26, 2011 at 10:27 PM
Avatar
ROBIN WALLING
  • MEMBER
  • 3 POSTS
WIRES HAVE NO SHORTS OR OPENS. HAVE 5.2 VOLTS TO TEMP SENSOR
May 29, 2011 at 5:30 PM
Avatar
WRENCHTECH
  • ✓ASE Certified Mechanic
  • 20,761 POSTS
  • ASE Certified Mechanic
And you determined this how?
May 29, 2011 at 6:44 PM
Avatar
ROBIN WALLING
  • MEMBER
  • 3 POSTS
CHECK SENSOR GROUND,CHECKED GREEN WIRE FOR SHORTS WITH FLUKE METER NO SHORTS.CHECKED VOKTAGE WITH IGN TURNED ON ENG NOT RUNNING HAVE 5.2 VOLTS.CHECKED VOLTAGE WITH ENGINE RUNNING HAVE 5.2 VOLTS.VOLTAGE CHECKED THROUGH THE SESOR WIRES BACK AN GREEN WIRES
May 31, 2011 at 12:55 AM
Avatar
WRENCHTECH
  • ✓ASE Certified Mechanic
  • 20,761 POSTS
  • ASE Certified Mechanic
You're going to have to use a scan tool to read sensor data. The code is for low temp so it's likely an open circuit somewhere. It could be in the ECM but I doubt it.
May 31, 2011 at 1:01 AM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.