DTC P0105-2A: Manifold Absolute Pressure / Barometric Pressure Sensor Signal Stuck in Range [12/2023 - ]: Procedure

1. Read the DTCs.

   Powertrain > Engine > Trouble Codes 

   Result

   Result	Proceed to
   P0105-2A and other DTCs are output	A
   P0105-2A is output	B

   HINT: 

   If any DTCs other than P0105-2A are output, troubleshoot those DTCs first.

Result: 

A 

GO TO DTC CHART. Refer To  DIAGNOSTIC TROUBLE CODE CHART [12/2023 - ] 

Result: 

B 

See step  2

1. Read the value of Intake Manifold Absolute Pressure.

   Powertrain > Engine > Data List 

   Tester Display
   Intake Manifold Absolute Pressure
   Engine Independent

   Result

   Result	Proceed to
   The value of Intake Manifold Absolute Pressure is between 80 and 110 kPa(abs)	A
   None of the above conditions are met	B

   HINT: 

   80 and 110 kPa (11.6 and 15.95 psi)

Result: 

B 

See step  4

Result: 

A 

See step  3

Pre-procedure1

• Put the engine in Inspection Mode (2WD for measuring Exhaust Gas).

  Powertrain > Hybrid Control > Utility 

  Tester Display
  Inspection Mode

• Start and idle the engine.

• Read the value of Intake Manifold Absolute Pressure.

  Powertrain > Engine > Data List 

  Tester Display
  Intake Manifold Absolute Pressure
  Engine Independent

  Result

  Result	Proceed to
  The value of Intake Manifold Absolute Pressure is between 20 and 40 kPa(abs)	A
  None of the above conditions are met	B

  HINT: 

  20 and 40 kPa (2.9 and 5.8 psi)

Post-procedure1

• None.

Result: 

A 

CHECK FOR INTERMITTENT PROBLEMS. Refer to  CHECK FOR INTERMITTENT PROBLEMS [12/2023 - ] 

Result: 

B 

See step  4

1. Check the intake system for vacuum leaks.

   Refer to ON-VEHICLE INSPECTION [12/2023 - ]

   OK

   No leaks from intake system.

   HINT: 

   Perform "Inspection After Repair" after repairing or replacing the intake system.

   Refer to INITIALIZATION [12/2023 - ]

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE MANIFOLD ABSOLUTE PRESSURE SENSOR. Refer to  REMOVAL [12/2023 - ] 

Result: 

NG 

REPAIR OR REPLACE INTAKE SYSTEM