CAUTION / NOTICE / HINT HINT:
PROCEDURE
Standard voltage: 11 to 14 V If the voltage is below 11 V, recharge or replace the battery before proceeding.
(a) Use the Techstream to check if the CAN communication system is functioning normally. Click here
(a) Check for DTCs and note any codes that are output. Click here (b) Clear the DTC. Click here (c) Recheck for DTCs. Based on the DTCs output above, try to force output of the air conditioning system DTC by simulating the operation indicated by the DTC.
(a) Refer to the problem symptoms table. Click here
(a) Actuator Check Click here (b) DATA LIST / ACTIVE TEST Click here (c) Terminals of ECU Click here (d) On-vehicle Inspection (e) Inspection
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Toyota Tundra Service Manual > Audio And Visual System: Noise Occurs
PROCEDURE 1. NOISE CONDITION (a) Check from which direction the noise comes (front left or right, or rear left or right). OK: The location of the noise source can be determined. NG GO TO STEP 3 OK 2. CHECK SPEAKERS (a) Check the installation condition of the speaker units that are located near the n ...