Toyota Corolla Cross: System Diagram
SYSTEM DIAGRAM

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ON-VEHICLE INSPECTION CAUTION / NOTICE / HINT
CAUTION:
When working near the engine room while the engine has started or the power source mode is ignition switch to ON, do not touch the fan and
InspectionINSPECTION PROCEDURE
1. INSPECT FUEL TANK CAP ASSEMBLY
(a) Visually check that the fuel tank cap assembly and gasket are not deformed or damaged.
If the fuel tank cap assembly or
On-vehicle InspectionON-VEHICLE INSPECTION PROCEDURE
1. INSPECT PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY)
(a) Check the PCV valve (ventilation valve sub-assembly) operation.
(1) Start the
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DESCRIPTION
Problem Symptom Suspected Area
Trouble Area
Engine speed fluctuation due to abnormal combustion
Idle speed too low or high
Strong engine vibration due to above symptoms
Ignition malfunction
Deviation in air fuel ratio (Excessive or i
DESCRIPTION If there is a communication malfunction between the ECM and ID code box (immobiliser code ECU), or when the communication ID codes do not match, the ECM stores this DTC.
DTC No. Detection Item
DTC Detection Condition Trouble Area
Note B279986
Engine Immobili