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Home >> Toyota >> 2013 >> Sienna L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Active Torque Control 4WD System (Diagnostic Codes & Symptom Tests)) >> Active Torque Control 4WD System >> Symptom Tests >> TC and CG Terminal Circuit >> Description

TC and CG Terminal Circuit: Description

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Connecting terminals TC and CG of the DLC3 causes the 4WD control ECU 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.

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