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DTC C1298: Linear Solenoid Circuit [08/2020 - ]: 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
C1298 Linear Solenoid Circuit When all of the following continue for 1 second or more:
  • IG1 voltage is 9.5 V or more.
  • The current requested by the 4WD linear solenoid (transmission coupling assembly) is either 0 A or greater than 0.8 A.
  • Open or short occurs in the 4WD linear solenoid circuit.
  • Wire harness or connector
  • 4WD linear solenoid (Transmission coupling assembly)
  • 4WD ECU assembly
DTC DETECTION CONDITIONS: C1298

  Vehicle Condition
Pattern 1 Pattern 2
Diagnosis Condition IG1 voltage is 9.5 V or more, the current requested by the 4WD linear solenoid (transmission coupling assembly) is 0 A. -
IG1 voltage is 9.5 V or more, the current requested by the 4WD linear solenoid (transmission coupling assembly) is greater than 0.8 A. -
Malfunction Status Short occurs in the 4WD linear solenoid circuit. -
Open occurs in the 4WD linear solenoid circuit. -
Detection Time 1 second or more 1 second or more
Number of Trips 1 trip 1 trip

HINT: 

DTC will be output when conditions for either of the patterns in the table above is met.