Wiring Diagram:
WARNING: This page is about a different variant/trim than selected.
Courtesy of SUBARU OF AMERICA, INC. DIAGNOSTIC PROCEDURE (DTC P0545)
| Step |
Check |
Yes |
No |
1
CHECK CURRENT DATA.
- Start the engine.
- Read the data of exhaust gas temperature sensor signal using Subaru Select Monitor or OBD-II general scan tool.
NOTE:
- Subaru Select Monitor
For detailed operation procedure, refer to the "READ CURRENT DATA FOR ENGINE". < Ref. to
, SUBARU SELECT MONITOR . >
- OBD-II general scan tool
For detailed operation procedures, refer to the OBD-II general scan tool instruction manual .
|
Is the temperature more than 1200°C (2192°F)? |
Go to step 2. |
Repair the poor contact.
NOTE:
In this case, repair the following:
- Poor contact in exhaust gas temperature sensor
- Poor contact in ECM
- Poor contact in joint connector
|
2
CHECK HARNESS BETWEEN EXHAUST GAS TEMPERATURE SENSOR AND ECM CONNECTOR.
- Turn the ignition switch to OFF.
- Disconnect the connector from exhaust gas temperature sensor.
- Turn the ignition switch to ON.
- Read the data of exhaust gas temperature sensor signal using Subaru Select Monitor or OBD-II general scan tool.
NOTE:
- Subaru Select Monitor
For detailed operation procedure, refer to the "READ CURRENT DATA FOR ENGINE". < Ref. to
, SUBARU SELECT MONITOR . >
- OBD-II general scan tool
For detailed operation procedures, refer to the OBD-II general scan tool instruction manual .
|
Is the temperature less than 372°C (702°F)? |
Replace the exhaust gas temperature sensor.
< Ref. to EXHAUST TEMPERATURE SENSOR
. > |
Repair the ground short circuit in harness between exhaust gas temperature sensor and ECM connector. |