Hint:

How to proceed with troubleshooting
Terminals of ecuVehicle information display
â– Drive information
2 items that are selected using
the "Drive Info Items" setting
(average speed, distance and total time) can be displayed vertically.
The displayed information
changes according to the "Drive
Info Type" setting (since the system
was started or between
resets).
Use the displayed ...
Back-up power source circuit
Description
This is the back-up power source circuit for the air conditioning amplifier.
Power is supplied even when the
ignition switch is turned off and is used for functions such as the diagnostic
trouble code memory.
wiring diagram
Inspection procedure
Inspect fuse (ecu-b2)
...
4Wd control ecu communication stop mode
Description
Hint:
For vehicle with 4wd only.
Wiring diagram
Inspection procedure
Notice:
Turn the ignition switch off before measuring the resistances of the
main wire and the branch
wire.
After the ignition switch is turned off, check that the key reminder
warning system ...