Nissan Sentra B18 (2020-2025) Service Manual: C106c-01 Pressure Sensor

Nissan Sentra B18 (2020-2025) Service Manual / Brakes / Brake Control System :: Vdc/tcs/abs / Dtc/circuit Diagnosis / C106c-01 Pressure Sensor

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC No.	CONSULT screen item (Trouble diagnosis content)		DTC detection condition
C106C-01	Pressure sensor (Pressure sensor)	—	Diagnosis condition	When ignition switch is ON. When the power supply voltage is normal.
			Signal (terminal)	Pressure sensor signal
			Threshold	When a malfunction is detected in pressure sensor.
			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
Harness or connector Air inclusion in the brake piping Stop lamp switch system ABS actuator and electric unit (control unit) power supply system Fuse Fusible link 12V battery	Harness or connector Air inclusion in the brake piping Stop lamp switch system Brake system ABS actuator and electric unit (control unit) ABS actuator and electric unit (control unit) power supply system Fuse Fusible link 12V battery

FAIL-SAFE

The following functions are suspended:

VDC function
TCS function
Brake assist function
Hill start assist function

Confirmation Procedure

Confirmation Procedure

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.
CHECK DTC DETECTION
1. CONSULT
  1. Ignition switch OFF.
    Note:
    Wait at least 10 seconds after placing ignition switch in the OFF position.
  2. Start the engine.
    Note:
    Wait at least 10 seconds after start the engine.
  3. Select "Self Diagnostic Result" mode of "ABS".
Is DTC “C106C-01” 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

STOP LAMP SWITCH SYSTEM
1. Check the stop lamp switch system. Refer to DTC Diagnosis Procedure.
Is the inspection result normal?
YES >>
GO TO 2.
NO >>
Repair or replace stop lamp switch system.
CHECK BRAKE FLUID LEAKAGE
1. Check the brake fluid leakage. Refer to Inspection.
Is the inspection result normal?
YES >>
GO TO 3.
NO >>
Repair or replace brake fluid leakage part.
CHECK BRAKE PIPING
1. Check the brake piping.
  - Front: Refer to Inspection.
  - Rear: Refer to Inspection.
Is the inspection result normal?
YES >>
GO TO 4.
NO >>
Repair or replace brake piping.
- Front: Refer to Removal and Installation.
- Rear: Refer to Removal and Installation.
CHECK BRAKE PEDAL
1. Check the brake pedal.
  - Brake pedal height: Refer to Inspection.
  - Brake pedal assembly: Refer to Inspection.
Is the inspection result normal?
YES >>
GO TO 5.
NO >>
Adjust the brake pedal height or replace brake pedal assembly.
- Adjust the brake pedal: Refer to Adjustment.
- Replace the brake pedal: Refer to Removal and Installation.
CHECK BRAKE MASTER CYLINDER
1. Check the brake master cylinder. Refer to Inspection.
Is the inspection result normal?
YES >>
GO TO 6.
NO >>
Repair or replace brake master cylinder. Refer to Removal and Installation.
CHECK BRAKE BOOSTER
1. Check the brake booster. Refer to Inspection.
Is the inspection result normal?
YES >>
GO TO 7.
NO >>
Repair or replace brake booster. Refer to Removal and Installation.
CHECK VACUUM PIPING AND CHECK VALVE
1. Check the vacuum piping and check valve. Refer to Inspection.
Is the inspection result normal?
YES >>
GO TO 8.
NO >>
Repair or replace vacuum piping. Refer to Removal and Installation.
CHECK FRONT DISC BRAKE
1. Check the front disc brake. Refer to Inspection.
Is the inspection result normal?
YES >>
(Models with rear drum brake) GO TO 9.
YES >>
(Models with rear disc brake) GO TO 10.
NO >>
Repair or replace front disc brake. Refer to Removal and Installation.
CHECK REAR DRUM BRAKE
1. Check the rear drum brake. Refer to Inspection.
Is the inspection result normal?
YES >>
GO TO 11.
NO >>
Repair or replace rear drum brake. Refer to Removal and Installation.
CHECK REAR DISC BRAKE
1. Check the rear disc brake. Refer to Inspection.
Is the inspection result normal?
YES >>
GO TO 11.
NO >>
Repair or replace rear disc brake. Refer to Removal and Installation.
CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY AND GROUND CIRCUIT
1. Check the ABS actuator and electric unit (control unit) power supply and ground circuit. Refer to Diagnosis Procedure.
Is the inspection result normal?
YES>>
GO TO 12.
NO>>
Repair / replace harness, connector, fuse, or fusible link.
CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
1. CONSULT
  1. Select "Self Diagnostic Result" mode of "ABS".
  2. Ignition switch OFF.
    Note:
    Wait at least 10 seconds after placing ignition switch in the OFF position.
  3. Start the engine.
    Note:
    Wait at least 10 seconds after start the engine.
  4. Start the engine and drive the Nissan Sentra vehicle for a short period of time.
    Note:
    Vehicle must be driven after repair or replacement to erase the previous DTCs.
  5. Stop the Nissan Sentra vehicle.
  6. Select "Self Diagnostic Result" mode of "ABS".
Is DTC “C106C-01” detected?
YES >>
Replace the ABS actuator and electric unit (control unit). Refer to Removal and Installation.
NO >>
Check the ABS actuator and electric unit (control unit) harness connector and terminal for damage, looseness and disconnection. Repair / replace harness, connector, or terminal.

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