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Home >> Nissan-Datsun >> 2021 >> Altima SL, AWD >> Repair and Diagnosis >> Transmission >> Transfer Case >> Driveline >> Transfer Case >> Ecu Diagnosis Information >> AWD Control Unit >> Protection Function

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.)

AWD warning icon/display

Possible cause

Vehicle condition

GNSJSDIA3104GB-104Courtesy of NISSAN NORTH AMERICA, INC.

(Displaying for approximately 1 minute and then turned OFF)

Drive train parts in protection mode. It is not malfunction.

(Internal temperature rise of electronic controlled coupling)

When this message is displayed, refer to System Description .

Shuts down AWD system temporarily

(Front wheel drive)

GNSJSDIA3105GB-105Courtesy of NISSAN NORTH AMERICA, INC.

(Continuing to display until ignition switch is placed OFF)

Malfunction in each tire or different tire diameter

When this message is displayed, refer to Symptom Description .