DTC C1120-C1127, C1164-C1167

INSPECTION PROCEDURE

1. CHECK SELF-DIAGNOSTIC RESULTS 

   Check the self-diagnostic results.

   SELF-DIAGNOSTIC RESULTS CHART
   
   

   Self-diagnostic results
   FR LH IN ABS SOL
   FR LH OUT ABS SOL
   RR RH IN ABS SOL
   RR RH OUT ABS SOL
   FR RH IN ABS SOL
   FR RH OUT ABS SOL
   RR LH IN ABS SOL
   RR LH OUT ABS SOL
   CV 1
   CV 2
   SV 1
   SV 2

   Is the above displayed in the self-diagnosis display items?

   YES : GO TO 2.

   NO : INSPECTION END

2. CHECK CONNECTOR 
   1. Disconnect ABS actuator and electric unit (control unit) connector check terminals for deformation, disconnection, looseness, and so on. If any malfunction is found, repair or replace terminal.
   2. Securely reconnect connector and perform self-diagnosis.

   OK or NG 

   OK : Connector terminal contact is loose, damaged, open or shorted.

   NG : GO TO 3.

3. CHECK SOLENOID POWER AND GROUND CIRCUIT 
   1. Turn ignition switch OFF and disconnect ABS actuator and electric unit (control unit) connector E56.
   2. Check voltage between ABS actuator and electric unit (control unit) harness connector and ground.
      ABS ACTUATOR AND ELECTRIC UNIT VOLTAGE CHART
      
      

      ABS actuator and electric unit (control unit)	Ground	Voltage
      32	-	Battery voltage (Approx. 12 V)

      Fig 1: Checking Voltage Between ABS Actuator And Electric Unit Harness Connector And Ground

      Courtesy of NISSAN MOTOR CO., U.S.A.
   3. Check continuity between ABS actuator and electric unit (control unit) harness connector and ground.
      ABS ACTUATOR AND ELECTRIC UNIT CONTINUITY CHART
      
      

      ABS actuator and electric unit (control unit)	Ground	Continuity
      16, 47	-	Yes

   OK or NG 

   OK : Perform self-diagnosis again. If the same results appear, replace ABS actuator and electric unit (control unit). Refer to "ACTUATOR AND ELECTRIC UNIT (ASSEMBLY) ".

   NG : Repair or replace harness or connectors.

   Fig 2: Checking Continuity Between ABS Actuator And Electric Unit Harness Connector And Ground

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