PROCEDURE
(a) Check that the voice guidance settings are not off. OK: Voice guidance settings are not off.
(a) Check that sound can be heard from a front speaker. OK: Sound can be heard. Result
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Toyota Tundra Service Manual > Lighting System: Parking Brake Switch Circuit
DESCRIPTION The main body ECU (multiplex network body ECU) detects the condition of the parking brake switch assembly. WIRING DIAGRAM PROCEDURE 1. READ VALUE USING TECHSTREAM (a) Using the Techstream, read the Data List. Click here Main Body Tester Display Measurement Item / Range Normal Condition D ...