DESCRIPTION When the forward recognition camera is replaced with a new one, the new forward recognition camera attempts to store country specification information received from the main body ECU (multiplex network body ECU) and ECM. If the country specification information stored in the forward recognition camera is different from that stored in the main body ECU (multiplex network body ECU) or ECM, DTC C1AA1 is stored.
CAUTION / NOTICE / HINT NOTICE:
HINT: This DTC is stored when the destination information stored in the forward recognition camera and that stored in the main body ECU (multiplex network body ECU) do not match. If the forward recognition camera or main body ECU (multiplex network body ECU) has been replaced, check if a forward recognition camera or main body ECU (multiplex network body ECU) from another vehicle was used. PROCEDURE
HINT: The forward recognition camera communicates with the main body ECU (multiplex network body ECU) via CAN communication. Confirm that the CAN communication system is functioning normally before proceeding. (a) Check for DTCs. Click here
(a) Clear the DTCs. Click here (b) Make sure that the DTC detection conditions are met. HINT: If the conditions are not met, the system cannot detect the malfunction. (c) Check for DTCs. Click here
(a) Replace the forward recognition camera. Click here (b) Perform forward recognition camera axis adjustment. Click here
(a) Clear the DTCs. Click here (b) Make sure that the DTC detection conditions are met. HINT: If the conditions are not met, the system cannot detect the malfunction. (c) Check for DTCs. Click here
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Toyota Tundra Service Manual > Audio And Visual System: Speaker Circuit
DESCRIPTION The radio and display receiver assembly sends sound signals to the speakers. WIRING DIAGRAM PROCEDURE 1. CHECK VEHICLE CONDITION (a) Check the vehicle condition. Result Result Proceed to for 6 speakers A for 7 or 9 Speakers B B GO TO STEP 6 A 2. CHECK HARNESS AND CONNECTOR (SPEAKER CIRCU ...