DESCRIPTION The ECU power source circuit supplies positive (+) voltage to the multiplex tilt and telescopic ECU.
WIRING DIAGRAM ![]() CAUTION / NOTICE / HINT HINT: Inspect the fuses for circuits related to this system before performing the following procedure. PROCEDURE
(b) Measure the voltage according to the value(s) in the table below. Standard Voltage:
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
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Toyota Tundra Service Manual > Navigation System: Voice Guidance does not Function
PROCEDURE 1. CHECK VOICE GUIDANCE SETTING (a) Check that the voice guidance settings are not off. OK: Voice guidance settings are not off. NG CHANGE VOICE GUIDANCE SETTINGS TO ON OK 2. CHECK AUDIO FUNCTION (a) Check that sound can be heard from a front speaker. OK: Sound can be heard. Result Result ...