FixVault

Trouble Code No. 15

  1. Check all connections and repair as necessary. Check intake air temperature sensor resistance. See INTAKE AIR TEMPERATURE SENSOR under COMPONENT TESTING  in this article.
  2. If resistance is correct, check continuity between ECU terminal "2L" and GRN wire of intake air temperature sensor connector and ECU terminal "2C" and BLK or BRN/BLK wire of connector.
  3. Check for open or shorted circuits if continuity did not exist. If continuity did exist, check for short in wiring harness circuit or defective ECU.