On-vehicle Inspection ON-VEHICLE INSPECTION 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: Some systems need to be initialized after the cable is reconnected (See page
3. REMOVE INTEGRATION RELAY (UNIT E) (a) Remove the engine room relay block cover.
(c) Disconnect the 3 connectors. 4. INSPECT INTEGRATION RELAY (HORN RELAY) NOTICE:
![]() (a) Measure the resistance of the HORN fuse. (1) Measure the resistance according to the value(s) in the table below. Standard resistance:
If the result is not as specified, replace the HORN fuse.
5. INSTALL INTEGRATION RELAY (UNIT E) (a) Connect the 3 connectors. (b) Install the integration relay to the engine room relay block. (c) Install the engine room relay block cover. 6. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL NOTICE: Some systems need to be initialized after the cable is reconnected (See page
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Toyota Tundra Owners Manual > Steps to take in an
emergency: If you think something is
wrong
If you notice any of the following symptoms, your vehicle probably needs adjustment or repair. Contact your Toyota dealer as soon as possible. Visible symptoms Fluid leaks under the vehicle. (Water dripping from the air conditioning after use is normal.) Flat-looking tires or uneven tire wear Engin ...