Toyota Corolla Cross: System Diagram
Toyota Corolla Cross (2022-2024) Service Manual / Power Source & Network / Networking / Cxpi Communication System / System Diagram
SYSTEM DIAGRAM
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System Description
SYSTEM DESCRIPTION
CXPI COMMUNICATION SYSTEM DESCRIPTION
(a) The multiplex communication system [CXPI] is used for communication systems
between body system components. When communication fails du
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use these procedures to troubleshoot the CXPI communication system.
*: Use the GTS.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
Terminals Of Ecu
TERMINALS OF ECU
NOTICE:
After the ignition switch is turned off, there may be a waiting time before
disconnecting the negative (-) auxiliary battery terminal.
Click here
When disconn
SEE MORE:
ECM Power Source Circuit
DESCRIPTION When the ignition switch is turned to ON, the auxiliary battery voltage is applied to IGP of the ECM. When the transistor in the MREL circuit operates, current flows from the auxiliary battery to ground through the drive circuit of the EFI-MAIN NO. 1 relay, thus operating the relay which
Ultrasonic Sensor (Rear Left Center) Missing Message (C1AE787)
DESCRIPTION
This DTC is output when an open circuit or short occurs in the
communication line between a rear center ultrasonic sensor (RLC sensor) and the
rear corner ultrasonic sensor (RL sensor), or when a malfunction occurs in a rear
center ultrasonic sensor (RLC sensor) on the rear.
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