DIAGNOSIS SYSTEM 1. CHECK DLC3 (a) Check the DLC3 (See page 2. INSPECT BATTERY VOLTAGE (a) Measure the battery voltage. Standard voltage: 11 to 14 V If the voltage is below 11 V, recharge or replace the battery. |
Toyota Tundra Service Manual > Audio And Visual System: Poor Sound Quality in All Modes (Low Volume)
PROCEDURE 1. CHECK AUDIO SETTINGS (a) Set treble, middle and bass to the initial values and check that the sound is normal. OK: The sound returns to normal. OK END (AUDIO SETTINGS ARE DEFECTIVE) NG 2. COMPARE WITH ANOTHER VEHICLE OF SAME MODEL (a) Compare with another vehicle of the same model which ...
