Diagnostic Test

WARNING: This page is about a different variant/trim than selected.

CHECK FOR OTHER DTCS PRESENT
1. Turn the ignition on.
2. With the scan tool, read DTCs.
  Are either of the Exhaust Gas Temperature Sensor 1/3 Low or High DTCs present?
  
  Yes
  - Perform the applicable diagnostic procedure(s). Refer to DIAGNOSTIC CODE INDEX .
  No
  - Go To 2
CHECK THE EXHAUST TEMPERATURE SENSOR 1/3 FOR PROPER OPERATION
1. Remove the Exhaust Gas Temperature Sensor 1/3 and reconnect the harness connector to the sensor. Monitor the scan tool, while heating the sensor with an external heat source (DO NOT USE OPEN FLAME).
  Does the reading from the sensor increase at least 5°F on the scan tool?
  
  Yes
  - Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT DTC .
  No
  - Replace the Exhaust Gas Temperature Sensor 1/3 in accordance with the service information. Refer to SENSOR, EXHAUST TEMPERATURE, REMOVAL .
  - Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .