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Home >> Lexus >> 2017 >> RC 300 Base >> Repair and Diagnosis >> Transmission >> Transfer Case >> Four Wheel Drive Control System - Diagnostic Codes & Circuit Tests >> Four Wheel Drive Control System >> DTC C1298/98: Linear Solenoid Circuit [09/2014 - 09/2020] >> Description
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DTC C1298/98: Linear Solenoid Circuit [09/2014 - 09/2020]: Description

The 4WD ECU assembly receives signals from each sensor to control clutch fluid pressure for limiting the center differential operation, which distributes torque according to the driving conditions.

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Memory
C1298/98 Linear Solenoid Circuit When all of the following conditions continue for 1 second or more:
  • IG1 terminal voltage is 9.5 V or more.
  • Operation command current for the linear solenoid (transfer control solenoid) is 3.5 A or more.
  • Open or short in the SLC+ or SLC- circuit.
  • Transfer transmission wire
  • Harness or connector
  • Transfer control solenoid assembly
  • 4WD ECU assembly
Comes on DTC stored