Intake Air System and Exhaust System Symptom Troubleshooting - Turbocharger Under Boost Problem (3.0L Engine): Inspection

Boost System 1 Inspection (Leakage) 

Test Procedure 

• Procedure
• • Check for leakage on the boost system components between the turbocharger and the throttle body.
    NOTE: Possible major leak factors are the following:

    Poor connections on the hose and pipe joints

    Misinstalled, deformed, or damaged components, parts (hose, tube, pipe), or devices (sensor, etc)

    Locations where gaskets are used

• Normal Conditions
• • -There are no leaks.

Results 

• If it is abnormal, there is a problem with boost system 1.

Boost System 2 Inspection (Leakage) 

Test Procedure 

• Procedure
• • Check for leakage from the boost system components (A).
    NOTE: Possible major leak factors are the following:

    Poor connections on the hose and pipe joints

    Misinstalled, deformed, or damaged components, parts (hose, tube, pipe), or devices (sensor, etc)

    Locations where gaskets are used

Courtesy of HONDA, U.S.A., INC.

• Normal Conditions
• • There are no leaks.

Results 

• If it is abnormal, there is a problem with boost system 2.

Turbocharger Wastegate Control Actuator Functional Inspection 

Test Procedure 

• Procedure
• • Do the HDS [Electric Waste Gate], and visually check the turbocharger wastegate control actuator.

• Normal Conditions
• • The turbocharger wastegate control actuator operates.

Results 

• If it is abnormal, there is a problem with the turbocharger wastegate control actuator.