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DTC P0106 - PRESSURE SENSOR CIRCUIT RANGE/PERFORMANCE PROBLEM

DTC DETECTING CONDITION:
- Two consecutive driving cycles with fault

CAUTION: After repair or replacement of faulty parts, conduct CLEAR MEMORY MODE and INSPECTION MODE. Refer to How To Clear Diagnostic Trouble Codes.

Wiring Diagram:





WIRING DIAGRAM

NOTE: In this case, it is not necessary to inspect DTC P0106.

CHECK: Does the Subaru Select Monitor or OBD-II general scan tool indicate DTC P0107, P0108 or P1112?

YES: Inspect DTC P0107, P0108 or P1112 using "11.Diagnostics Chart with Trouble Code for AT Vehicles".

NO: Go to step 11B2.

11B2: CHECK AIR INTAKE SYSTEM.

CHECK: Are there holes, loose bolts or disconnection of hose on air intake system?

YES: Repair air intake system.

NO: Go to step 11B3.

11B3: CHECK PRESSURE SENSOR.

1. Start the engine and warm-up engine until coolant temperature is greater than 60 °C (140 °F).
2. Place the shift lever in the selector lever in "N" or "P" position.
3. Turn A/C switch to OFF.
4. Turn all accessory switches to OFF.
5. Read data of intake manifold pressure 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 SHOWN ON DISPLAY FOR ENGINE". Refer to Normal Scan Data Values.
- OBD-II general scan tool
For detailed operation procedure, refer to the OBD-II General Scan Tool Instruction Manual.





Specification:
- Intake manifold absolute pressure

CHECK: Is the value within the specifications?

YES: Go to step 11B4.

NO: Replace intake air temperature sensor and pressure sensor.

11B4: CHECK THROTTLE POSITION.
Read data of throttle position 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 SHOWN ON DISPLAY FOR ENGINE". Refer to Normal Scan Data Values.
- OBD-II general scan tool
For detailed operation procedure, refer to the OBD-II General Scan Tool Instruction Manual.

CHECK: Is throttle positioning ratio equal to or less than 5% when throttle is fully closed?


YES: Go to step 11B5.

NO: Adjust or replace throttle position sensor.
11B5: CHECK THROTTLE POSITION.

CHECK: Is throttle positioning ratio equal to or more than 85% when throttle is fully open?

YES: Replace intake air temperature and pressure sensor.

NO: Replace throttle position sensor.