REMOVAL PROCEDURE 1. PRECAUTION NOTICE: After turning the ignition switch off, waiting time may be required before disconnecting
the cable from the battery terminal. Therefore, make sure to read the disconnecting
the cable from the battery terminal notice before proceeding with work (See page
2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE: When disconnecting the cable, some systems need to be initialized after the cable
is reconnected (See page 3. REMOVE SPIRAL CABLE SUB-ASSEMBLY (See page 4. REMOVE WINDSHIELD WIPER SWITCH ASSEMBLY
5. REMOVE HEADLIGHT DIMMER SWITCH ASSEMBLY (a) Disconnect the connector. (b) While loosening the band clamp as shown in the illustration, detach the claw.  Text in Illustration
(c) Remove the headlight dimmer switch assembly. NOTICE: If the claw is pressed forcefully, it will break.  Text in Illustration
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Toyota Tundra Service Manual > Engine Immobiliser System (w/o Smart Key System): Engine does not Start but Initial Combustion Occurs
DESCRIPTION If the key ID codes of the key and transponder key ECU assembly match, the engine immobiliser system is unset and the engine start permission signal is sent to the ECM. When the ID codes of the transponder key ECU assembly and ECM match, the engine starts. WIRING DIAGRAM CAUTION / NOTICE ...
