Heavy Tight-Corner Braking Symptom Occurs

HEAVY TIGHT-CORNER BRAKING SYMPTOM OCCURS

Description
Heavy tight-corner braking symptom occurs when the vehicle is driven and the steering wheel is turned fully to either side after the engine is started.

NOTE: Light tight-corner braking symptom may occur depending on driving conditions. This is not malfunction.

Diagnosis Procedure

1. PERFORM ECM SELF-DIAGNOSIS

With CONSULT-III
Perform ECM self-diagnosis.
Is any DTC detected?
YES >> Check the DTC.
NO >> GO TO 2.

2. PERFORM SELF-DIAGNOSIS

With CONSULT-III
Perform AWD control unit self-diagnosis.
Is DTC "U1000" detected?
YES >> CAN specification chart. Refer to LAN-18, "Trouble Diagnosis Flow Chart". Diagnosis and Repair Workflow
NO >> GO TO 3.

3. CHECK AWD SOLENOID
Perform the trouble diagnosis of the AWD solenoid. Refer to DLN-15, "Diagnosis Procedure". C1204
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace the malfunctioning part.

4. CHECK ELECTRIC CONTROLLED COUPLING
1. Turn the ignition switch OFF.
2. Set the transmission to neutral. Release the parking brake.
3. Lift up the vehicle.
4. Rotate the rear propeller shaft.
5. Hold the front propeller shaft lightly
Does the front propeller shaft rotate?
YES >> Replace electric controlled coupling for mechanical malfunction (clutch sticking etc.).
NO >> Check each harness connector pin terminal for disconnection.