C1140 ACTUATOR RELAY SYSTEM

1. Turn the ignition switch OFF.
2. Disconnect ABS actuator and electric unit (control unit) connector.
3. Check terminal for deformation, disconnection, looseness, etc.

YES>>GO TO 2.

NO>>Repair or replace error-detected parts.

Check the voltage between the ABS actuator and electric unit (control unit) harness connector and ground.

ABS actuator and electric unit (control unit)		—	Voltage
Connector	Terminal
E41	32	Ground	Battery voltage

YES>>GO TO 3.

NO>>Repair or replace error-detected parts.

Check the continuity between the ABS actuator and electric unit (control unit) harness connector and ground.

ABS actuator and electric unit (control unit)		—	Continuity
Connector	Terminal
E41	16	Ground	Existed
	47

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

NO>>Repair or replace error-detected parts.

1. On “ACTIVE TEST”, select “ABS MOTOR”.
2. Touch “On” and “Off” on screen. Make sure motor relay and actuator relay operates as shown in table below.
   

   NOTE：

   The On/Off indication may switch briefly at irregular intervals after turning ON the ignition switch. This is a validation operation and not a malfunction.

   Test item	Display item	Display
   		On	Off
   ABS MOTOR	MOTOR RELAY	On	Off
   	ACTUATOR RLY (Note)	On	On

   
   

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