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 diagramRear window and outside mirror defroster switch
Example
To defog or defrost the rear window and outside mirrors (if equipped), start the engine and press the switch. The indicator light A illuminates. Press again to turn the system off.
The system turns off automatically after approximately 20 minutes.
CAUTION
When cleaning the inside of the ...
C1101, C1102, C1103, C1104 wheel sensor
DTC Logic
DTC DETECTION LOGIC
DTC
Display Item
Malfunction detected condition
Possible causes
C1101
RR RH SENSOR-1
When power supply voltage of rear wheel sensor
RH is low.
When an open or shorted circuit is detected in rear
wheel sensor RH ...
Basic inspection
SERVICE INFORMATION FOR ELECTRICAL INCIDENT
Work flow
STEP
DESCRIPTION
STEP 1
Get detailed information about the conditions and the
environment when the incident occurred.
The following are key pieces of information required to make a good
analysis:
WH ...