Nissan Sentra B18 (2020-2025) Service Manual: C1076-55 Control Unit

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC No.	CONSULT screen item (Trouble diagnosis content)		DTC detection condition
C1076-55	Not configured (Not configured)	—	Diagnosis condition	When ignition switch is ON. When the power supply voltage is normal.
			Signal (terminal)	—
			Threshold	When configuration is not complete.
			Diagnosis delay time	1 second or less

POSSIBLE CAUSE

Note:

Confirm if DTC is PAST or CRNT. If DTC is CRNT, proceed with Diagnosis Procedure. If DTC is PAST, clear DTC. Do not replace the ABS actuator and electric unit (control unit) for a PAST DTC.

PAST DTC	CRNT DTC
Configuration is not complete.	Configuration is not complete. ABS actuator and electric unit (control unit)

FAIL-SAFE

The following functions are suspended:

• VDC function

• TCS function

• ABS function

• EBD function

• Brake assist function

• Hill start assist function

Confirmation Procedure

Confirmation Procedure

1. PRECONDITIONING

   1. If “Confirmation Procedure” has been previously conducted, always place the ignition switch in the OFF position and wait at least 10 seconds before conducting the next test.

   >>

   GO TO 2.

2. CHECK DTC DETECTION

   1. CONSULT

      1. Ignition switch OFF.

      2. Select "Self Diagnostic Result" mode of "ABS".

   Is DTC “C1076-55” detected?

   YES >>

   “CRNT” is displayed: Refer to DTC Diagnosis Procedure.

   YES >>

   “PAST” is displayed: Inspection End. (Erase "Self Diagnostic Result" mode of “ABS”.)

   NO >>

   To check malfunction symptom before repair: Refer to Intermittent Incident.

   NO >>

   Confirmation after repair: Inspection End.

Dtc Diagnosis Procedure

DTC Diagnosis Procedure

1. PROGRAMMING OF ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

   1. Perform programming of ABS actuator and electric unit (control unit). Refer to Work Procedure.

      CAUTION:

      Do not replace the ABS actuator and electric unit (control unit) until self-diagnosis has been completed.

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   GO TO 2.

2. CHECK SELF DIAGNOSTIC RESULT

   1. CONSULT

      Replace the ABS actuator and electric unit (control unit) even if other DTCs are displayed along with “C1076-55” in self-diagnosis for “ABS”.

   >>

   Replace the ABS actuator and electric unit (control unit). Refer to Removal and Installation.