DESCRIPTION This DTC is stored if the transponder key ECU assembly does not detect that the unlock warning switch assembly is on even when the ignition switch is ON.
WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
PROCEDURE
(a) Clear the DTCs. Click here
(a) Check for DTCs. Click here HINT: Before checking for DTCs, perform the "DTC Output Confirmation Operation" procedure. OK: DTC B2780 is not output.
(a) Remove the unlock warning switch assembly. Click here (b) Inspect the unlock warning switch assembly. Click here
(a) Disconnect the J18 unlock warning switch assembly connector. (b) Disconnect the J26 transponder key ECU assembly connector. (c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
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Toyota Tundra Service Manual > Air Fuel Ratio Sensor: Removal
REMOVAL CAUTION / NOTICE / HINT CAUTION: Wear protective gloves when removing the exhaust pipe assembly. The exhaust pipe assembly is extremely hot immediately after the engine has stopped. Confirm that the exhaust pipe assembly has cooled down before removing it. PROCEDURE 1. REMOVE FRONT EXHAUST P ...