Toyota RAV4 manuals

Toyota Sienna Service Manual: ECM Communication Circuit Malfunction

DTC C1203/53 ECM Communication Circuit Malfunction

DESCRIPTION

The circuit is used to send TRAC and VSC control information from the skid control ECU to the ECM, and engine control information from the ECM to the skid control ECU through the CAN communication system.

INSPECTION PROCEDURE

1 CHECK PART NUMBER (ECM AND BRAKE ACTUATOR ASSEMBLY)

(a) Check that the proper ECM and brake actuator assembly (skid control ECU) are installed.

OK: Proper ECUs are installed.

REPLACE ECM

Engine Control System Malfunction
DTC C1201/51 Engine Control System Malfunction DESCRIPTION If trouble occurs the engine control system, the ECM transmits the abnormality to the skid control ECU. The skid control ECU set this ...

Zero Point Calibration of Yaw Rate Sensor Undone
DESCRIPTION The skid control ECU receives signals from the yaw rate sensor via CAN communication system. Yaw rate sensor has the built-in deceleration sensor. If there is trouble in the b ...

Other materials:

Third outside seats
To use Pull the head restraints up. To fold Press the button Removing the head restraints Front and second outside seats Pull the head restraint up while pressing the lock release button. Second center* and third center seats Pull the head restraint up while pressi ...

Radio Broadcast cannot be Received or Poor Reception
INSPECTION PROCEDURE 1 CHECK RADIO AND NAVIGATION ASSEMBLY Check the radio's automatic station search function. Check the radio's automatic station search function by activating it. OK: The radio's automatic station search function works properly. 2 INSPECT RADIO AND NAVIGATION AS ...

Emergency flashers
The emergency flashers are used to warn other drivers when the vehicle has to be stopped in the road due to a breakdown, etc. Press the switch. All the turn signal lights will flash. To turn them off, press the switch once again. Emergency flashers If the emergency flashers are used f ...

© 2011-2025 Copyright www.tsienna.net