Toyota Venza: Transponder Chip Malfunction (B2793)

Toyota Venza Service Manual / Theft Deterrent / Keyless Entry / Engine Immobiliser System(w/o Smart Key System) / Transponder Chip Malfunction (B2793)

DESCRIPTION

This DTC is stored when a malfunction is found in the key during key code registration or a key code is not registered normally. Replace the key if the key code registration is not performed normally and this DTC is detected.

DTC No.	DTC Detection Condition	Trouble Area
B2793	Transponder chip malfunction.	Key

CAUTION / NOTICE / HINT

NOTICE:

If the key is replaced, register the key (See page ).

PROCEDURE

CLEAR DTC

(a) Clear the DTCs (See page ).

2.	RE-REGISTER KEY

(a) Re-register the key (See page ).

3.	CHECK ENGINE START

(a) Check that the engine starts.

OK:

The engine starts.

END (KEY WAS NOT REGISTERED CORRECTLY)

REPLACE KEY

Antenna Coil Open / Short (B2784)

DESCRIPTION The transponder key coil is built into the transponder key amplifier and receives a key code signal from the transponder chip in the key. This signal is amplified by the amplifier, th ...

Unmatched Key Code (B2795)

DESCRIPTION This DTC is stored when a key with a key code that has not been registered in the ECU is inserted into the ignition key cylinder. DTC No. DTC Detection Condition ...

Other materials about Toyota Venza:

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK POWER MANAGEMENT CONTROL ECU (a) Disconnect the D42 and D43 connectors. (b) Measure the voltage and resistance according to the value(s) in the table below. Tester Connection Wiring Color Termi ...

Interior Light Auto Cut Circuit
DESCRIPTION When battery saving control operates while the interior lights are on, the main body ECU (driver side junction block assembly) opens the DOME CUT relay to turn off the lights. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fu ...

On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. CHECK POWER SOURCE MODE CHANGE FUNCTION (a) Check the function of the engine switch. (1) Check that power source mode changes in accordance with the conditions of the shift position and brake pedal. Brake Pe ...