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Home >> Lexus >> 2020 >> RX 350 Base, AWD >> Repair and Diagnosis >> Transmission >> Transfer Case >> Dynamic Torque Control AWD System - Diagnostics - Introduction >> Dynamic Torque Control AWD System >> Problem Symptoms Table [09/2015 - 08/2019] >> Problem Symptoms Table [09/2015 - 08/2019]

Problem Symptoms Table [09/2015 - 08/2019]

HINT: 

Symptom Suspected Area Link
Tight-corner braking phenomenon* 4WD linear solenoid circuit Refer to DTC C1298/98: Linear Solenoid Circuit [09/2015 - 08/2019]
Steering sensor circuit Refer to DTC C1297/97: Steering Angle Sensor [09/2015 - 08/2019]
Vehicle stability control system Refer to DTC C1296/96: ABS Malfunction [09/2015 - 08/2019]
4WD ECU assembly Refer to TERMINALS OF ECU [09/2015 - ] 
Electro magnetic control coupling sub-assembly Refer to REMOVAL [09/2015 - 08/2016] , or refer to REMOVAL [08/2016 - 12/2017] , or refer to REMOVAL [12/2017 - 08/2019]
AWD warning message remains displayed AWD warning light circuit (Remains illuminated) Refer to AWD Warning Light Remains ON [09/2015 - ]
AWD warning message is not displayed AWD warning light circuit (Does not illuminate) Refer to AWD Warning Light does not Come ON [09/2015 - ]
AWD lock function does not operate AWD lock mode switch circuit Refer to AWD Control Switch Circuit [09/2015 - ]
4WD ECU assembly Refer to TERMINALS OF ECU [09/2015 - ] 
AWD lock mode indicator light does not illuminate CAN communication system Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2015 - ]
AWD lock mode switch circuit Refer to AWD Control Switch Circuit [09/2015 - ]
Combination meter assembly Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2015 - ]
4WD ECU assembly Refer to TERMINALS OF ECU [09/2015 - ] 
The system is in DTC output mode although terminals TC and CG of the DLC3 are not connected TC and CG terminal circuit Refer to TC and CG Terminal Circuit [09/2015 - 08/2019]
The system is not in DTC output mode although terminals TC and CG of the DLC3 are connected TC and CG terminal circuit Refer to TC and CG Terminal Circuit [09/2015 - 08/2019]
AWD warning light circuit (Does not illuminate) Refer to AWD Warning Light does not Come ON [09/2015 - ]
  1. *: Tight corner braking phenomenon: a phenomenon in which an AWD vehicle may lurch and decelerate due to a rotational speed difference between the front and rear wheels, such as during low-speed cornering in AWD mode.