Toyota Venza: Theft Deterrent System Presence Detection (B279C)
DESCRIPTION
If an ECM that is incompatible with the engine immobiliser system is installed, the ECM stores this DTC.
|
DTC No. |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
B279C |
An ECM that is incompatible with engine immobiliser system is installed. |
ECM |
CAUTION / NOTICE / HINT
NOTICE:
If the ECM is replaced, register the ECU communication ID (See page
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).
PROCEDURE
|
1. |
CHECK DTC OUTPUT |
(a) Clear the DTCs (See page ).
(b) Recheck for DTCs (See page ).
OK:
DTC B279C is not output.
|
Result |
Proceed to |
|---|---|
|
OK |
A |
|
NG (for 2GR-FE) |
B |
|
NG (for 1AR-FE) |
C |
| A | .gif) |
USE SIMULATION METHOD TO CHECK |
| B | |
REPLACE ECM |
| C | |
REPLACE ECM |
No Communication in Immobiliser System (B2796,B2798)
DESCRIPTION
These DTCs are stored if a key that does not have a transponder chip is inserted
into the ignition key cylinder or if communication between the key and the transponder
key ECU assembl ...
Communication Malfunction No. 1 (B2797)
DESCRIPTION
This DTC is stored when an error occurs in communication between the transponder
key amplifier and the transponder key ECU assembly.
HINT:
Some noise is found in the communication lin ...
Other materials about Toyota Venza:
Erasing the entire HomeLink® memory (all three programs)
Press and hold the 2 outside buttons for 10 seconds (or 20 seconds depending
on the model) until the indicator light flashes.
If you sell your vehicle, be sure to erase the programs stored in the HomeLink®
memory.
- Before programming
• Insta ...
System Diagram
SYSTEM DIAGRAM
Communication Table
Transmitting ECU (Transmitter)
Receiving ECU (Receiver)
Signal
Communication Method
Certification ECU (smart key ECU assembly)
Power management contro ...
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE NO. 1 AIR DUCT SUB-ASSEMBLY
(a) Disengage the 4 claws and remove the No. 1 air duct sub-assembly.
2. REMOVE AIR FILTER COVER PLATE
(a) Disengage the 2 cla ...
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