Nissan Sentra B18 (2020-2025) Service Manual: C1bb5-1c Ignition Power Supply

Nissan Sentra B18 (2020-2025) Service Manual / Cruise Control & Driver Assistance / Driver Assistance System :: Chassis Control / Dtc/circuit Diagnosis / C1bb5-1c Ignition Power Supply

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC No.		CONSULT screen terms (Trouble diagnosis content)		DTC detection condition
C1BB5	1C	IGN POWER SUPPLY (Ignition power supply)	[CIRC VOLTAGE OUT OF RANGE] (Circuit voltage out of range)	Diagnosis condition	When ignition switch is ON.
				Signal (terminal)	Ignition power supply
				Threshold	Less than 6.4 V.
				Diagnosis delay time	1 second or less

POSSIBLE CAUSE

Harness or connector
Ignition power supply system
Fuse
12V battery
Chassis control module (with built in steering angle sensor)

FAIL-SAFE

The following functions are suspended.

Intelligent trace control function
Intelligent engine brake function
Active ride control function

Confirmation Procedure

Confirmation Procedure

PRECONDITIONING

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

>>
GO TO 2.
CHECK DTC DETECTION

With CONSULT
1. Turn the ignition switch OFF to ON.
  
  CAUTION:
  
  Be sure to wait of 10 seconds after turning ignition switch OFF or ON.
2. Perform self-diagnosis for “CHASSIS CONTROL”.
Is DTC “C1BB5-1C” detected?
YES >>
Refer to DTC Diagnosis Procedure.
NO-1 >>
To check malfunction symptom before repair: Refer to Intermittent Incident.
NO-2 >>
Confirmation after repair: INSPECTION END

Dtc Diagnosis Procedure

DTC Diagnosis Procedure

CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the chassis control module (with built in steering angle sensor) harness connector.
3. Check the connector for disconnection or looseness.
4. Check the terminals for damage or loose connection with harness connector.
Is the inspection result normal?
YES >>
GO TO 2.
NO >>
Repair/replace harness or connector. securely lock the harness connector. GO TO 2.
PERFORM SELF-DIAGNOSIS (1)

With CONSULT
1. Connect the chassis control module (with built in steering angle sensor) harness connector.
2. Erase self-diagnosis result for “CHASSIS CONTROL”.
3. Turn the ignition switch OFF and wait for 10 seconds or more.
4. Turn the ignition switch ON.
5. Perform self-diagnosis for “CHASSIS CONTROL”.
Is DTC “C1BB5-1C” detected?
YES >>
GO TO 3.
NO >>
INSPECTION END
CHECK CHASSIS CONTROL MODULE (WITH BUILT IN STEERING ANGLE SENSOR) IGNITION POWER SUPPLY

Check the chassis control module (with built in steering angle sensor) ignition power supply. Refer to Diagnosis Procedure.

Is the inspection result normal?
YES >>
GO TO 4.
NO >>
Repair/replace harness, connector, terminal or fuse.
PERFORM SELF-DIAGNOSIS (2)

With CONSULT
1. Connect the chassis control module (with built in steering angle sensor) harness connector.
2. Erase self-diagnosis result for “CHASSIS CONTROL”.
3. Turn the ignition switch OFF and wait for 10 seconds or more.
4. Turn the ignition switch ON.
5. Perform self-diagnosis for “CHASSIS CONTROL”.
Is DTC “C1BB5-1C” detected?
YES >>
Replace the chassis control module (with built in steering angle sensor). Refer to Removal and Installation.
NO >>
INSPECTION END

U0076-00 Can Comm Circuit

Dtc Description DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen ...

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