DTC P0101: Inspection

Intake Air System, PCV System Visual Inspection 

Test Procedure 

• Procedure
  1. -

     Check the condition at the connections or for any damage at the following:

     • PCV valve
     • PCV hose
     • Air cleaner
     • Intake air duct
     • Purge (PCS) line
     • Brake booster
     • Brake booster hose

• Normal Conditions
  1. -

     Conditions at the connections are OK, and there is no damages.

Results 

• If it is abnormal, there is a failure with the intake air system and/or the PCV system component(s).

Intake Air Duct, Air Cleaner Housing Visual Inspection 

Test Procedure 

• Procedure
  1. -

     Check the condition at the connections or for any blockage at the following:

     intake air duct

     Air cleaner housing

• Normal Conditions
  1. -

     Conditions at the connections are OK, and there is no blockages.

Results 

• If it is abnormal, there is a failure with the intake air system component(s).

MAF Sensor Functional Inspection (1) 

Test Procedure 

• Procedure

• -

  Confirm the HDS [MAF Sensor] while the engine is stopped.

• Normal Conditions
  1. -

     HDS [MAF Sensor] indicates 520 - 10000 Hz  .

Results 

• If it is abnormal, there is a problem with the MAF sensor/IAT sensor.

MAF Sensor Functional Inspection (2) 

Test Procedure 

• Procedure

• Start the engine and let it idle.
• Confirm the HDS [MAF Sensor].

• Normal Conditions
  1. -

     HDS [MAF Sensor] indicates 520 - 10000 Hz  .

Results 

• If it is abnormal, there is a problem with the MAF sensor/IAT sensor.