If any of the electrical components do not operate, a fuse may have blown. If this happens, check and replace the fuses as necessary.
Turn the engine switch to the LOCK
position.
The fuses are located in the following
places. To check the fuses, follow the instructions below.
Engine compartment

Push the tab in and lift the lid off.
Under the instrument panel

1.Open the auxiliary box.

2.Pull up the box and disengage the claws. Remove the stoppers from the cutouts and remove the box.
After a system failure, see
“Fuse layout and amperage ratings” (→P. 455) for details about which fuse to check.

Remove the fuse with the pullout tool.
Check if the fuse has blown.
Type A

1. Normal fuse
2. Blown fuse
Replace it with one of an appropriate amperage rating.
The amperage rating can be found on the fuse box lid.
Type B

1. Normal fuse
2. Blown fuse
Replace it with one of an appropriate amperage rating.
The amperage rating can be found on the fuse box lid.
Type C

1. Normal fuse
2. Blown fuse
Replace it with one of an appropriate amperage rating.
The amperage rating can be found on the fuse box lid.
Type D

1. Normal fuse
2. Blown fuse
Replace it with one of an appropriate amperage rating.
The amperage rating can be found on the fuse box lid.
Fuse layout and amperage ratings
■ Engine compartment
Type A

Type B




*: Replace the fuse with one of the same ampere rating as the original
■ Under the instrument panel



■After a fuse is repl
●If the lights do not turn on even after the fuse has been replaced, a bulb may need replacement.
●If the replaced fuse blows again, have the vehicle inspected by your Toyota dealer.
■If there is an overload in the circuits
The fuses are designed to blow, protecting the wiring harness from damage.
CAUTION
■To prevent system breakdowns and vehicle fire
Observe the following precautions.
Failing to do so may cause damage to the vehicle, and possibly a fire or injury.
●Never use a fuse of a higher amperage rating than indicated, or use any other object in place of a fuse.
●Always use a genuine Toyota fuse or equivalent.
Never replace a fuse with a wire, even as a temporary fix.
●Do not modify the fuse or the fuse box.
NOTICE
■Before replacing fuses
Have the cause of electrical overload determined and repaired by your Toyota dealer as soon as possible.
Wireless remote control battery
Light bulbsHow To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure listed to troubleshoot the touch select
2-4 and high-low system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
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Open in Front Floor Electrical Key Oscillator Circuit (B27A5)
DESCRIPTION
The certification ECU (smart key ECU assembly) generates a request signal and
transmits the signal to the No. 1 indoor electrical key antenna assembly (front
floor). For the No. 1 indoor electrical key antenna assembly (front floor) to detect
when the electrical key transmitter su ...
Push Switch / Key Unlock Warning Switch Malfunction (B2780)
DESCRIPTION
This DTC is stored if the transponder key ECU assembly does not detect that the
unlock warning switch assembly is ON even when the key is in the ignition key cylinder.
Under normal conditions, the unlock warning switch assembly is ON when the key is
in the ignition key cylinder.
...