If any of the electrical components do not operate, a fuse may have blown. If this happens, check and replace the fuses as necessary.
Vehicles with a smart key system: turn the engine switch off.
Push the tabs in and lift the cover off.

Under the instrument panel
Remove the cover.

behind the instrument panel
Remove the instrument panel.

Only type a fuse can be removed using the pullout tool.

Type a and b: replace the blown fuse with a new fuse of an appropriate amperage rating.
The amperage rating can be found on the fuse box lid.
Type c and d: contact your toyota dealer.

Fuse layout and amperage ratings
Engine compartment




Under the instrument panel




Behind the instrument panel


After a fuse is replaced
If there is an overload in a circuit
The fuses are designed to blow, protecting the wiring harness from damage.
Caution
To prevent system breakdowns and vehicle fire
Observe the following precautions.
Failure to do so may cause damage to the vehicle, and possibly a fire or injury.
Never replace a fuse with a wire, even as a temporary fix.
Notice
Before replacing fuses
Have the cause of electrical overload determined and repaired by your toyota dealer as soon as possible.
Wireless remote
control/electronic
key battery
Light bulbsTerminals of ecu
Check tire pressure warning ecu
Disconnect the e56 ecu connector.
Measure the voltage and resistance of the wire
harness side connector.
If the result is not as specified, there may be a
malfunction on the wire harness side.
Reconnect the e56 ecu connector.
Measure the ...
Terminals of ecu
Check occupant classification ecu
Measure the voltage of the connector.
...
How to proceed with troubleshooting
Hint:
*: Use the intelligent tester.
Hint:
If the display indicates a communication fault in the tester,
inspect the dlc3.
Hint:
Record or print dtcs and freeze frame data, if necessary.
Hint:
If the engine does not start, first perform the "check dtc"
procedures a ...