PROCEDURE
(a) Set treble, middle and bass to the initial values and check that the sound is normal. OK: Malfunction disappears. HINT: Sound quality adjustment measures vary according to the type of amplifier.
(a) Compare with another vehicle of the same model which does not have trouble to see if there is any difference in the sound quality. OK: No difference is found.
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Toyota Tundra Service Manual > 1ur-fe Engine Control: Ignition Relay No. 2
On-vehicle InspectionON-VEHICLE INSPECTION PROCEDURE 1. REMOVE INTEGRATION RELAY (a) Remove the engine room relay block cover. (b) Using a screwdriver, detach the 2 claws and remove the integration relay from the engine room relay block. HINT: Tape the screwdriver tip before use. (c) Disconnect the ...