Nissan Rogue Service Manual: ECU diagnosis information

Nissan Rogue Service Manual / Transmission & driveline / Driveline / Transfer: TY21C / ECU diagnosis information

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.

Values on the diagnosis tool

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

TERMINAL LAYOUT

Terminal layout

PHYSICAL VALUES

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
C1201 C1204 C1209 P1804 P1809 P1811 P181F	AWD control changes to front-wheel drive immediately, then AWD control stops, and the vehicle becomes front-wheel drive.
C1203 C1210 P1808 P181D U1000 U1010	AWD control changes to front-wheel drive immediately, then AWD control stops, and the vehicle becomes front-wheel drive.
P181B	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:

If the AWD warning displays during driving but remains not displayed after the engine is restarted, the systemis normal. If it again displays after driving for some time, vehicle must be inspected.
When there is a difference of revolution speed between the front and rear wheel the shift occasionally changes to direct 4-wheel driving conditions automatically. This is not a malfunction.

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 Inspection Priority Chart

DTC Index

DTC Index

NOTE: If some DTCs are displayed at the same time, refer to DLN-22, "DTC Inspection Priority Chart".

System description

COMPONENT PARTS Component Parts Location Instrument lower panel LH Rear final drive assembly Rear wheel house outer panel in luggage room of left side No. Component Fu ...

Wiring diagram

AWD SYSTEM Wiring Diagram ...

Other materials:

DTC/circuit diagnosis
U1000 CAN COMM CIRCUIT Description Refer to LAN-8, "System Description". DTC Logic DTC DETECTION LOGIC NOTE: U1000 can be set if a module harness was disconnected and reconnected, perhaps during a repair. Confirm that there are actual CAN diagnostic symptoms and a present DTC by p ...

Power steering
WARNING If the engine is not running or is turned off while driving, the power assist for the steering will not work. Steering will be harder to operate. When the power steering warning light illuminates with the engine running, there will be no power a ...

Operating tips
When the engine coolant temperature and outside air temperature are low, the air flow from the foot outlets may not operate for a maximum of 150 seconds. However, this is not a malfunction. After the coolant temperature warms up, air flow from the foot outlets will operate normally. ...