AWD CONTROL UNIT
Reference Value
VALUES ON THE DIAGNOSIS TOOL
NOTE: The following table includes information (items) inapplicable to this vehicle. For information (items) applicable to this vehicle, refer to CONSULT display items.


*: The values are changed by throttle opening and engine speed.
TERMINAL LAYOUT

PHYSICAL VALUES


*: The values are changed by depressed accelerator pedal opening and engine speed.
CAUTION: When using circuit tester to measure voltage for inspection, be sure not to extend forcibly any connector terminals.
Fail-Safe
If any malfunction occurs in AWD electrical system, and control unit detects the malfunction, AWD warning on information display (combination meter) is displayed to indicate system malfunction. And then AWD control unit controls becomes the fail-safe mode depending on DTC.
| DTC | Vehicle condition |
|
AWD control changes to front-wheel drive immediately, then AWD control stops, and the vehicle becomes front-wheel drive. |
|
AWD control changes to front-wheel drive immediately, then AWD control stops, and the vehicle becomes front-wheel drive. |
|
No impact to vehicle behavior. |
Protection Function
AWD system activates its protection function (shuts down AWD system temporarily) if AWD system detects high load continuously or the front wheel tire size differs from the rear tire size. (AWD system is automatically restored if AWD system no longer detects any overload or the tire size difference is eliminated.)
| DTC | AWD warning (on information display) | Error area and root cause | Contents of protection function |
| — | Refer to DLN-16, "INFORMATION DISPLAY (COMBINATION METER) : AWD Warning". | Rear final drive assembly in protection mode. It is not malfunction.
(Internal temperature rise of electronic controlled coupling) |
Shuts down AWD system temporarily (Front wheel drive) |
| — | Malfunction in each tire or different tire diameter |
NOTE:
DTC Inspection Priority Chart
If some DTCs are displayed at the same time, perform inspections one by one based on the following priority chart.

DTC Index

NOTE: If some DTCs are displayed at the same time, refer to DLN-22, "DTC Inspection Priority Chart".
System description
Wiring diagramSensor rotor
FRONT SENSOR ROTOR
FRONT SENSOR ROTOR : Removal and Installation - Front Sensor Rotor
The front wheel sensor rotor is an integral part of the wheel hub and bearing
and cannot be disassembled.
Refer to FAX-9, "Removal and Installation" (FWD) or FAX-40, "Removal and
Installatio ...
Tightening torque of standard
bolts
Description
This vehicle has both new standard based on ISO* and previous standard
bolts/nuts. There are some differences
between these two types of bolts/ nuts; shape of the head, grade of strength,
hexagonal width across
flats and the standard tightening torque.
For guidance in d ...
How to use the vehicle information display
The vehicle information display can be changed
using the buttons and ENTER located
on
the steering wheel.
— navigate through the
items in vehicle
information
ENTER — change or select an item in the
vehicle information display
— select/enter the
Vehicle i ...