Toyota Corolla Cross: Mass Air Flow Meter
Toyota Corolla Cross (2022-2025) Service Manual / Engine & Hybrid System / M20a-fks (engine Control) / Mass Air Flow Meter
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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.
Click here (a) Read the
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
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Hybrid/EV Battery Internal Electronic Failure (P31B549)
DESCRIPTION The battery ECU assembly monitors its internal operation and will store these DTCs when it detects an internal malfunction.
DTC No. Detection Item
DTC Detection Condition
Trouble Area MIL
Warning Indicate Note
P31B549 Hybrid/EV Battery Internal E
Inspection
INSPECTION PROCEDURE 1. INSPECT MASS AIR FLOW METER SUB-ASSEMBLY
(a) Perform a visual check for any foreign matter on the intake air temperature sensor (thermistor) of the mass air flow meter sub-assembly shown in the illustration.
OK: There is no foreign matter. If the result is not as sp
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