2JZ/2JX/2JV/2H7
1-6-1
1-6 Requirements on P WB Replacement
1-6-1 Upgrading the firmware
Follow the procedure below to upgrade the firmware of main PWB, engine PWB, MMI, scanner and option.
Firmware upgrading requires the following tools:
USB memory
Procedure
1. Press the power key on the operation panel
to off. Make sure that the power indicator
and the memory indicator are off before
turning off the main power switch. And then
unplug the power cable from the wall outlet.
2. Insert USB memory in a notch hole of the
machine.
3. Insert the power plug and turn the main
power switch on. Upgrading firmware starts.
Caution:
Never turn the main power switch off during
upgrading.
Figure 1-6-1
4. [100% Completed] is displayed on the touch
panel when upgrading is complete.
5. Press the power key on the operation panel
to off. Make sure that the power indicator
and the memory indicator are off before
turning off the main power switch. And then
unplug the power cable from the wall outlet.
6. Remove USB memory from the machine.
7. Insert the power plug and turn the main
power switch on.
USB memory
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