Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT MASS AIR FLOW METER SUB-ASSEMBLY

HINT:

Perform "Inspection After Repair" after replacing the mass air flow meter sub-assembly.

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(a) Read the value of Data List item "MAF" using the GTS.

NOTICE:

Perform the inspection of the mass air flow meter sub-assembly while it is installed to the air cleaner cap sub-assembly (installed to the vehicle).

(1) Vehicle is made into the following state.

  1. Turn off all electrical loads, such as the air condition, etc.
  2. Check that the coolant temperature is 75 °C (167 °F) or more.
  3. Put the Shift Lever in the N position.

(2) Connect the GTS to the DLC3.

(3) Start the engine.

(4) Turn the GTS on.

(5) Enter the following menus: Powertrain / Engine and ECT / Data List / MAF.

Powertrain > Engine > Data List

Tester Display

Mass Air Flow Sensor

(6) According to the display on the GTS, read the Data List when the engine is running.

Standard Condition:

GTS Display

Condition

Specified Condition

MAF

Idling (engine warmed up)

1.5 to 3.3 gm/sec

3000 rpm (without load)

8.0 to 13.0 gm/sec

If the result is not as specified, replace the mass air flow meter sub-assembly.

If the result is within the specified range, remove and inspect the mass air flow meter sub-assembly.

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2. PERFORM INITIALIZATION

(a) Perform "Inspection After Repair" after replacing the mass air flow meter sub-assembly.

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    READ NEXT:

     Removal

    REMOVAL CAUTION / NOTICE / HINT COMPONENTS (REMOVAL) Procedure Part Name Code 1 MASS AIR FLOW METER SUB-ASSEMBLY 22204 - - CAUTION / NO

     Inspection

    INSPECTION PROCEDURE 1. INSPECT MASS AIR FLOW METER SUB-ASSEMBLY (a) Perform a visual check for any foreign matter on the temperature sensor (thermistor) of the mass air flow meter sub-assembly

     Installation

    INSTALLATION CAUTION / NOTICE / HINT COMPONENTS (INSTALLATION) Procedure Part Name Code 1 MASS AIR FLOW METER SUB-ASSEMBLY 22204 - -

    SEE MORE:

     Removal

    REMOVAL CAUTION / NOTICE / HINT COMPONENTS (REMOVAL) Procedure Part Name Code 1 FRONT BUMPER ASSEMBLY - - - - 2 LOWER NO. 2 FRONT BUMPER RETAINER 52527C - - - 3 NO. 1 RADIATOR TO SUPPORT SEAL 16561C - - -

     Wheels

    If a wheel is bent, cracked or heavily corroded, it should be replaced. Otherwise, the tire may separate from the wheel or cause a loss of handling control. Wheel selection When replacing wheels, care should be taken to ensure that they are equivalent to those removed in load capacity, diameter, rim

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