INSPECTION PROCEDURE 1. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY (for Standard)  (a) Measure the resistance according to the value(s) in the table below. Standard resistance:
If the result is not as specified, replace the front No. 1 speaker assembly. Text in Illustration
2. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY (for 12 Speakers) (a) Measure the resistance according to the value(s) in the table below. Standard resistance:
If the result is not as specified, replace the front No. 1 speaker assembly. Text in Illustration
3. INSPECT FRONT NO. 3 SPEAKER ASSEMBLY (for 12 Speakers) (a) When there is a malfunction such as noise from a speaker or no sound at all, replace the speaker with a new one and check that the malfunction disappears. OK: Malfunction disappears. HINT:
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Toyota Tundra Service Manual > Sfi System: Throttle Actuator Control Motor Current Range / Performance (P2118)
DESCRIPTION The ETCS (Electronic Throttle Control System) has a dedicated power supply circuit. The voltage (+BM) is monitored and when it is low (less than 4 V), the ECM determines that there is a malfunction in the ETCS and cuts off the current to the throttle actuator. When the voltage becomes un ...
