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:
Installation
INSTALLATION CAUTION / NOTICE / HINT COMPONENTS (INSTALLATION)
Procedure Part Name Code
1 INSTALL FLOOR UNDER WIRE
821H1
- -
2 BATTERY TERMINAL CONNECTOR COVER
28800D -
- -
3 CONNECT FLOOR
System Description
SYSTEM DESCRIPTION
CXPI COMMUNICATION SYSTEM DESCRIPTION
(a) The multiplex communication system [CXPI] is used for communication systems
between body system components. When communication fails due to an open circuit,
etc. on the communication line, the function that outputs a DTC related to t
