PROCEDURE
(a) Set treble, middle and bass to the initial values and check that the sound is normal. OK: The sound returns to normal.
(a) Compare with another vehicle of the same model which is not malfunctioning to see if there is any difference in the sound quality. OK: No difference is found.
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Toyota Tundra Service Manual > Vehicle Stability Control System: Terminals Of Ecu
TERMINALS OF ECU TERMINALS OF ECU *a Component without harness connected (Skid Control ECU (Brake Actuator Assembly)) - - Terminal No. (Symbol) Terminal Description 1 (+BM) ABS motor relay power supply 2 (STP) Stop light switch assembly input 3 - 4 (SP1) Speed signal output for speedom ...