PROCEDURE
(a) Replace the disc with a known good one and check that the malfunction disappears. OK: Malfunction disappears.
(a) Check that the radio and display receiver assembly is properly installed Result
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Toyota Tundra Service Manual > Engine Immobiliser System (w/o Smart Key System): Dtc Check / Clear
DTC CHECK / CLEAR CHECK FOR TRANSPONDER KEY ECU ASSEMBLY DTC (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON. (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Immobiliser / Trouble Codes. (e) Check for DTCs. CHECK FOR ECM DTC (a) Connect the Tec ...