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.
- Turn off all electrical loads, such as the air condition, etc.
- Check that the coolant temperature is 75 °C (167 °F) or more.
- 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:
Warning Notification Function Malfunction
PROCEDURE
1.
CHECK PROBLEM SYMPTOM (WARNING NOTIFICATION FUNCTION)
(a) Check the problem symptom.
(1) Check the problem symptom of the warning notification function.
Result
Proceed to
The multi-display screen does not show a
Removal
REMOVAL CAUTION / NOTICE / HINT COMPONENTS (REMOVAL)
Procedure Part Name Code
1 PRECAUTION
-
- -
2 DISCHARGE FUEL SYSTEM PRESSURE
-
- -
3 DISCONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL
