DESCRIPTION The ECM sends signals such as A/T information signals, dynamic radar cruise control operation signals, brake operation demand signals, and buzzer operation demand signals to the skid control ECU (brake actuator assembly) when the dynamic radar cruise control is operating. Therefore, if the skid control ECU (brake actuator assembly) detects a communication error with the ECM, it sends a malfunction signal back to the ECM.
CAUTION / NOTICE / HINT NOTICE:
PROCEDURE
(a) Using the Techstream, check if the CAN communication system is functioning normally. Click here
(a) Clear the DTCs. Click here (b) Perform the following to make sure that the DTC detection conditions are met. HINT: If the detection conditions are not met, the malfunction cannot be detected.
(c) Check for DTCs. Click here
(a) Replace the ECM. for 1UR-FE: Click here for 3UR-FE: Click here
for 3UR-FBE: Click here
(a) Clear the DTCs. Click here (b) Perform the following to make sure that the DTC detection conditions are met. HINT: If the detection conditions are not met, the malfunction cannot be detected.
(c) Check for DTCs. Click here
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Toyota Tundra Service Manual > Audio And Visual System: Confirm Vehicle Headunit Functionality
PROCEDURE 1. CHECK CUSTOMER'S CELLULAR PHONE COMPATIBILITY (a) Go to TIS "Bluetooth" Compatibility Portal and check if the cellular phone is compatible. Result Result Proceed to Cellular phone is compatible A Cellular phone is not compatible B HINT:It is important to check the cellular phone compati ...