Toyota Corolla Cross: System Diagram
SYSTEM DIAGRAM

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CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the parking assist monitor
system.
*: Use the GTS.
PROCEDURE
1.
VEHICLE BROUGHT TO WOR
CALIBRATION
ADJUST PARKING ASSIST MONITOR SYSTEM
(a) The parking assist monitor system can be adjusted using diagnostic
mode.
(b) If the following operations are performed, it is necessary
to p
UTILITY
HINT:
With "All Readiness", you can check whether or not the DTC judgment
has been completed by using the GTS.
You should check "All Readiness" after simulating
SEE MORE:
DESCRIPTION The atmospheric pressure sensor is built into the ECM. The ECM provides optimal control in response to atmospheric pressure fluctuations.
DTC No. Detection Item
DTC Detection Condition Trouble Area
MIL Note
P222611 Barometric Pressure Sensor "A" Circuit Sh
DESCRIPTION
When the ignition switch is turned to ON, auxiliary battery voltage is applied
to terminal MREL of the ECM through the coil of the EFI-MAIN relay. This causes
the EFI-MAIN relay to close, which supplies power to terminal +B of the TCM.
WIRING DIAGRAM
Refer to DTC U010087.
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