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TEMP SENSOR

Tiny
ROBIN WALLING
  • MEMBER
  • 1993 CHEVROLET CHEYENNE
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 180,000 MILES
CODE 15 COMES BACK ON WHEN SENSOR REPLACED RESET THE TROUBLE CODE. WIRES CHECKED
Thursday, May 26th, 2011 AT 10:13 PM

5 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
Just looking at the wires isn't testing them. All wiring has to be tested for shorts and opens and voltage drop.
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Thursday, May 26th, 2011 AT 10:27 PM
Tiny
ROBIN WALLING
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  • 3 POSTS
WIRES HAVE NO SHORTS OR OPENS. HAVE 5.2 VOLTS TO TEMP SENSOR
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Sunday, May 29th, 2011 AT 5:30 PM
Tiny
WRENCHTECH
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And you determined this how?
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Sunday, May 29th, 2011 AT 6:44 PM
Tiny
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
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Tuesday, May 31st, 2011 AT 12:55 AM
Tiny
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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.
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Tuesday, May 31st, 2011 AT 1:01 AM

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