PROCEDURE
(a) Replace the disc with a known good one and check that the malfunction disappears. OK: Malfunction disappears.
(a) Check that the navigation receiver assembly is properly installed Result
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Toyota Tundra Service Manual > Engine Immobiliser System (w/o Smart Key System): Key Cannot be Registered
DESCRIPTION A maximum of 5 master key ID codes can be registered. WIRING DIAGRAM Refer to "System Diagram". Click here CAUTION / NOTICE / HINT NOTICE: If the transponder key ECU assembly is replaced, refer to Registration. Click here PROCEDURE 1. CHECK REGISTRATION MODE (a) Check that the ...