C1142 PRESS SENSOR

Check stop lamp switch. Refer to Diagnosis Procedure (GT-R certified NISSAN dealer).

YES>>GO TO 2.

NO>>Repair or replace error-detected parts.

Check pressure sensor signal. Refer to Component Inspection (GT-R certified NISSAN dealer).

YES>>GO TO 3.

NO>>

• Check brake pedal, brake booster, and master cylinder for mount play, looseness, brake system fluid leakage, etc.
  
• Brake pedal: Refer to Inspection and Adjustment.
  
• Brake booster: Refer to Inspection.
  
• Master cylinder: Refer to Inspection.
  

Perform ABS actuator and electric unit (control unit) self-diagnosis.

YES>>Replace ABS actuator and electric unit (control unit).

NO>>Check ABS actuator and electric unit (control unit) pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace damaged parts.

On “DATA MONITOR”, select “PRESS SENSOR” and check the brake fluid pressure.

Condition	PRESS SENSOR (DATA MONITOR)
With ignition switch turned ON and brake pedal released.	Approx. 0 bar
With ignition switch turned ON and brake pedal depressed.	Approx. 0 to 300 bar

YES>>INSPECTION END

NO>>Proceed to diagnosis procedure. Refer to Diagnosis Procedure (GT-R certified NISSAN dealer).

After replacing an ABS actuator and electric unit (control unit), be sure to perform the following procedure.

• Steering angle sensor adjustment: Refer to Description (GT-R certified NISSAN dealer).
• Decel G sensor calibration: Refer to Description (GT-R certified NISSAN dealer).
• Pressure sensor calibration: Refer to Description (GT-R certified NISSAN dealer).
• Valve calibration: Refer to Description (GT-R certified NISSAN dealer).

>>END