DIAGNOSTIC TROUBLE CODE CHART
HINT:
If a trouble code is output during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See page" below.
Certification ECU (Smart Key ECU Assembly)
DTC Code |
Detection Item |
See page |
---|---|---|
B2784 |
Antenna Coil Open / Short |
|
B278A |
Short to GND in Immobiliser System Power Source Circuit |
|
B278D |
Malfunction of ID-BOX Recognition |
|
DTC Code |
Detection Item |
See page |
---|---|---|
B279986 |
Engine Immobiliser System Signal (Some Circuit Quantity, Reported via Serial Data) Invalid |
|
B279A12 |
Engine Immobiliser System Circuit Short to Battery |
|
B279C95 |
Engine Immobiliser System Incorrect Assembly |
|
Maintenance requirements
To ensure safe and economical driving, day-to-day care and regular maintenance
is essential. It is the owner’s responsibility to perform regular checks. Toyota
recommends the following maintenance.
■ General maintenance
Should be performed on a daily basis. This can be done by yourself ...
ECU Power Source Circuit
DESCRIPTION
The IG circuit is the power source for the tire pressure warning ECU and receiver.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When replacing the tire pressure warning ECU and receiver, read the
transmitter IDs stored in the old ECU using the Techstream and write th ...
Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL REAR BUMPER SIDE STAY LH
(a) Install the rear bumper side stay LH with the 2 bolts.
Torque:
30 N·m {306 kgf·cm, 22 ft·lbf}
2. INSTALL REAR BUMPER SIDE STAY RH
HINT:
Use the same procedure as for ...