TC and CG Terminal Circuit [12/2012 - 10/2015]: Description

Connecting terminals TC and CG of the DLC3 causes the 4WD ECU assembly to display 2-digit DTCs by flashing the AWD warning light.

HINT: 

When each warning light remains blinking, a short to ground in the wiring of terminal TC of the DLC3 or an internal short to ground in each ECU is suspected.