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a. Clear the DTC (see DTC CHECK/CLEAR ). 7. CHECK FOR DTC a. Check for DTC (see DTC CHECK/CLEAR ). OK: DTC B2784 is not output. NG: REPLACE TRANSPONDER KEY ECU (see REMOVAL ) OK: END (TRANSPONDER KEY AMPLIFIER IS DEFECTIVE) DTC B2793 TRANSPONDER CHIP MALFUNCTION; DTC B2794 UNMATCHED ENCRYPTION DESCRIPTION B2793 is output when a malfunction is found in the key during key code registration or a key code is not B2794 is output when a key with an incomplete key code is inserted into the ignition key cylinder. B2795 is output when a key with a key code that has not been registered in the ECU is inserted into the DTC B2793, B2794, B2795 DETECTION CONDITION CHART INSPECTION PROCEDURE HINT: When the transponder key ECU is replaced, reregister the ECU - ECM communication ID (see 1. REREGISTER KEY a. Clear the DTCs (see DTC CHECK/CLEAR ). b. Reregister the key code with the transponder key ECU (see REGISTRATION ). c. Check that the engine starts with the key. OK: Engine starts. NG: REPLACE KEY OK: END DTC Code DTC Detection Condition Trouble Area B2793 Transponder chip malfunction Key B2794 Key with incomplete key code is inserted B2795 Key with unregistered key code is inserted
2009 Toyota Tundra 2009 ACCESSORIES AND EQUIPMENT Engine Immobilizer - Tundra
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