Diagnostic Test
WARNING: This page is about a different variant/trim than selected.
- CHECK FOR AN ACTIVE DTC
- With the scan tool, read all DTCs and record on the repair order.
- Record the Environmental Data.
- With the scan tool, erase DTCs.
- Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
- With the scan tool, read DTCs.
Did the DTC return?
Yes
- Go To 2
No
- Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT DTC .
- CHECK FOR OTHER DTCS
- Refer to the recorded DTCs.
Are either of the Exhaust Gas Temperature Sensor 1/1 Low or High DTCs active or pending?
Yes
- Perform the applicable diagnostic procedure(s). Refer to DIAGNOSTIC CODE INDEX .
No
- Go To 3
- Refer to the recorded DTCs.
- CHECK THE EXHAUST GAS TEMPERATURE SENSOR 1/1 FOR PROPER OPERATION
- Remove the Exhaust Gas Temperature Sensor 1/1 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 1/1 in accordance with the service information.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to PCM VERIFICATION TEST .
- Remove the Exhaust Gas Temperature Sensor 1/1 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).