Heavy Tight-Corner Braking Symptom Occurs When The Vehicle Is Driven In Auto Mode And The Steering Wheel Is Turned Fully To Either Side After The Engine Is Started.

WITH CONSULT-II 

Perform the self-diagnosis.

Is any malfunction detected by self-diagnostic?

1. YES: Check the malfunctioning system.
2. NO: GO TO 2.

WITH CONSULT-II 

Check indication of "4WD MODE SW" with CONSULT data monitor.

• Operating AWD lock switch, check if "LOCK" is indicated when AWD lock switch is turned "ON", and "AUTO" when "OFF".

OK or NG

1. OK: GO TO 3.
2. NG: Check switch. If there is an incident, replace the switch with new one and check again. If there is no incident, perform trouble diagnosis for combination meter, and repair incident or replace combination meter. Refer to COMBINATION METERS .
   Fig 1: Check Input Signal Step.1

   Courtesy of NISSAN MOTOR CO., U.S.A.

WITH CONSULT-II 

Check "ETS SOLENOID" value with CONSULT data monitor.

• Check if AWD solenoid electric current is "0.000 A" when releasing accelerator pedal.

OK or NG

1. OK: GO TO 4.
2. NG: Check AWD control unit connector. If there is an incident, repair the part or replace it. If there is no incident, replace AWD control unit.
   Fig 2: Check Input Signal Step.2

   Courtesy of NISSAN MOTOR CO., U.S.A.

WITH CONSULT-II 

Check "THRTL POS SEN" value with CONSULT data monitor. -

• Check if accelerator position sensor is "0%" when releasing accelerator pedal.

OK or NG

1. OK: GO TO 5.
2. NG: Perform trouble diagnosis for ECM.
   Fig 3: Check Input Signal Step.3

   Courtesy of NISSAN MOTOR CO., U.S.A.

Check again.

OK or NG

1. OK: INSPECTION END 
2. NG: GO TO 6.

1. Check AWD control unit input/output signal.
2. If NG, recheck AWD control unit pin terminals for damage or loose connection with harness connector.

OK or NG

1. OK: INSPECTION END 
2. NG: Repair or replace damaged parts.