Components COMPONENTS ILLUSTRATION ![]() Installation INSTALLATION PROCEDURE 1. INSTALL TRANSPONDER KEY ECU
2. INSTALL AIR CONDITIONING UNIT (See page 3. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL NOTICE: When disconnecting the cable, some systems need to be initialized after the cable
is reconnected (See page 4. REGISTER ENGINE IMMOBILISER SYSTEM (See page 5. CHECK SRS WARNING LIGHT (See page Removal 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 CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system. NOTICE: When disconnecting the cable, some systems need to be initialized after the cable
is reconnected (See page 3. REMOVE AIR CONDITIONING UNIT (See page 4. REMOVE TRANSPONDER KEY ECU
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Toyota Tundra Service Manual > Can Communication System: Fail-safe Chart
FAIL-SAFE CHART 1. FAIL-SAFE FUNCTION (a) When communication fails in any of the main wires (communication lines) due to a short circuit or other causes, the fail-safe function, which is specified for each system, operates to prevent the system from malfunctioning. (b) The table below shows the effe ...