1.CHECK STOP LAMP SWITCH Check stop lamp switch system. Refer to Diagnosis Procedure (GT-R certified NISSAN dealer). Is the inspection result normal? YES>>GO TO 2. NO>>Repair or replace error-detected parts.
2.CHECK BRAKE SYSTEM

1. Check brake fluid leakage: Refer to Inspection.
2. Check front brake piping: Refer to Inspection (GT-R certified NISSAN dealer).
3. Check rear brake piping: Refer to Inspection (GT-R certified NISSAN dealer).
4. Check brake pedal: Refer to Inspection and Adjustment (GT-R certified NISSAN dealer).
5. Check master cylinder: Refer to Inspection (GT-R certified NISSAN dealer).
6. Check brake booster: Refer to Inspection and Adjustment (GT-R certified NISSAN dealer).
7. Check front disc brake: Refer to Inspection (GT-R certified NISSAN dealer).
8. Check rear disc brake: Refer to Inspection (GT-R certified NISSAN dealer).

Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair or replace error-detected parts.
3.ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS
Perform self-diagnosis for “ABS” with CONSULT-III.
Is DTC “C1142” detected?
YES>>Replace ABS actuator and electric unit (control unit). Refer to Exploded View (GT-R certified NISSAN dealer).
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 error-detected parts.