Toyota Corolla Cross: System Diagram
SYSTEM DIAGRAM

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PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order
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 rotating
DESCRIPTION The ECM turns on or off the fan relays using signals calculated from the engine coolant temperature, air conditioning switch (on/off), air conditioning refrigerant pressure, engine speed a
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DESCRIPTION Refer to DTC P040000. Click here
DTC No. Detection Item
DTC Detection Condition Trouble Area
MIL Note
P040318 Exhaust Gas Recirculation "A" Circuit Current Below Threshold
Open or short in EGR A circuit for 1 second or more (1 trip detection logi
DESCRIPTION
The airbag ECU assembly has a built-in yaw rate and acceleration
sensor.
Code
Tester Display
Measurement Item
Trouble Area
Output ECU
X204C
Zero Point Calibration of Yaw Rate Sensor Undone
H