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Home >> Lexus >> 2012 >> RX 350 AWD >> Repair and Diagnosis (Single Page) >> Transmission >> Transfer Case >> Active Torque Control 4WD System (Diagnostic Codes & Circuit Tests) >> Active Torque Control 4WD System >> Circuit Tests >> Warning Light Circuit >> Description

Warning Light Circuit: Description

The 4WD control ECU is connected to the combination meter via the CAN communication system.

If the 4WD control ECU stores any DTCs which are related to the active torque control 4WD system, the AWD warning light comes on in the combination meter.

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