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Nissan Sentra B18 (2020-2025) Service Manual: C1f02-16 Power Supply Circuit

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition
 

C1F02

16

POWER SUPPLY CIR

(Power supply circuit)

Diagnosis condition

  • When engine is running

  • When AEB system is ON

Signal (terminal)

Battery power supply

Threshold

The battery voltage sent to ADAS control unit 2 remains less than 7.9 V

Diagnosis delay time

5 seconds or more

POSSIBLE CAUSE

  • Connector, harness, fuse

  • ADAS control unit 2

FAIL-SAFE

The following systems are canceled.

  • Nissan Sentra Vehicle-to-vehicle distance control mode

  • Conventional (fixed speed) cruise control mode

  • AEB

  • LDW

  • TSR

  • BSW

  • I-DA

  • RCTA

  • I-FCW

  • RAB

Confirmation Procedure

Confirmation Procedure

  1. PERFORM DTC CONFIRMATION PROCEDURE

    1. Start the engine.

    2. Turn the AEB system ON.

    3. Perform “All DTC Reading” with CONSULT.

    4. Check if the “C1F02-16” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS 2”.

    Is “C1F02-16” detected as the current malfunction?

    YES >>

    DTC Diagnosis Procedure

    NO-1 >>

    To check malfunction symptom before repair: Intermittent Incident

    NO-2 >>

    Confirmation after repair: INSPECTION END

Dtc Diagnosis Procedure

DTC Diagnosis Procedure

  1. CHECK ADAS CONTROL UNIT 2 POWER SUPPLY AND GROUND CIRCUIT

    Check power supply and ground circuit of ADAS control unit 2. Refer to Diagnosis Procedure.

    Is the inspection result normal?

    YES >>

    Replace the ADAS control unit 2. Removal and Installation.

    NO >>

    Repair or replace the malfunctioning parts.

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