Toyota Corolla Cross: System Diagram
SYSTEM DIAGRAM
WIRELESS DOOR LOCK CONTROL SYSTEM
POWER DOOR LOCK CONTROL SYSTEM
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CAUTION / NOTICE / HINT
HINT:
If the wireless door lock control system does not operate, make sure that the wireless door lock control system is not turned off through a customize setting.
OPERATION CHECK NOTICE: Make sure that the vehicle is in an area that allows the wireless control function to operate.
HINT:
The switches described in this text are the switches for transmitting
REGISTRATION CAUTION / NOTICE / HINT
HINT:
Register a new recognition code when replacing a door control transmitter assembly or the door control receiver.
Add mode is used to retain the co
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DESCRIPTION
When the ignition switch is 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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CAU
INSPECTION PROCEDURE 1. INSPECT TRANSMITTER BATTERY
(a) Inspect the operation of the electrical key transmitter sub-assembly.
(1) Remove the transmitter battery from the electrical key transmitter sub-assembly.
HINT: Click here (2) Install a new or known good transmitter battery.
HINT: Cli
How To Proceed With Troubleshooting
ECU Power Source Circuit
