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:

Removal
REMOVAL PROCEDURE 1. REMOVE POWER DISTRIBUTION (a) Remove the bolt. (b) Disengage the 2 claws and disconnect the power distribution from the relay box as shown in the illustration. (c) ...

Reassembly
REASSEMBLY PROCEDURE 1. INSTALL NO. 2 STEERING RACK BOOT (a) Apply lithium soap base glycol grease to the inside of the small opening of a new No. 2 steering rack boot. (b) Install the No. 2 ste ...

Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART HINT: If a trouble code is displayed during the DTC check, inspect the circuit listed for that code. For details of each code, refer to the relevant page listed under respective "DTC Code" in the DTC chart. Tire P ...