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 prevent airbag and seat belt pretensioner activation. NOTICE: When disconnecting the cable, some systems need to be initialized after the cable
is reconnected (See page 3. REMOVE ROOF HEADLINING ASSEMBLY HINT: Refer to the procedures up to "REMOVE ROOF HEADLINING ASSEMBLY" (for CrewMax)
(see page 4. REMOVE CURTAIN SHIELD AIRBAG ASSEMBLY (a) Disconnect the connector. NOTICE: When handling the airbag connector, take care not to damage the airbag wire harness. (b) Remove the 10 bolts and curtain shield airbag. ![]() |
Toyota Tundra Service Manual > Theft Deterrent System: Horn Circuit
DESCRIPTION When the theft deterrent system is switched from the armed state to the alarm sounding state, the main body ECU (multiplex network body ECU) transmits a signal to cause the horn to sound at intervals of 0.4 seconds. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for cir ...