Nissan Rogue (T33) 2021-Present Service Manual: C1090-86 Adas Control Unit

Nissan Rogue (T33) 2021-Present Service Manual / Brakes :: Brake Control System / With Vdc :: Dtc/circuit Diagnosis / C1090-86 Adas Control Unit

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
C1090 86

ADAS control unit

(Advanced driver assistance systems control unit) 		Diagnosis condition

  • When ignition switch is ON.

  • When the power supply voltage is normal.
Signal (terminal) CAN communication signal
Threshold When a malfunction is detected in ADAS control unit 2 system.
Diagnosis delay time 2 seconds 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

  • CAN communication line

  • ABS actuator and electric unit (control unit) power supply system

  • Fuse

  • Fusible link

  • 12V battery

  • Harness or connector

  • CAN communication line

  • ADAS control unit 2

  • ABS actuator and electric unit (control unit)

  • ABS actuator and electric unit (control unit) power supply system

  • Fuse

  • Fusible link

  • 12V battery

FAIL-SAFE

Normal control

DTC CONFIRMATION PROCEDURE

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always ignition switch OFF (Auto ACC function OFF) before conducting the next test.

>>

GO TO 2.

CHECK DTC DETECTION

CONSULT

  1. Ignition switch OFF (Auto ACC function OFF).

  2. Start the engine.

    NOTE:

    Wait at least 10 seconds after start the engine.

  3. Perform self-diagnosis for “ABS”.

Is DTC “C1090-86” detected?

YES-1>>

“CRNT” is displayed: Refer to Diagnosis Procedure.

YES-2>>

“PAST” is displayed: Inspection End (Erase the memory of self-diagnosis results.)

NO-1>>

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

NO-2>>

Confirmation after repair: Inspection End

Diagnosis Procedure

CHECK ADAS CONTROL UNIT 2 SYSTEM

CONSULT

Perform self-diagnosis for “ICC/ADAS 2”.

Is DTC detected?

YES>>

Check the DTC. Refer to DTC Index.

NO>>

GO TO 2.

CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY AND GROUND CIRCUIT

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 3.

NO>>

Repair / replace harness, connector, terminal, fuse, or fusible link.

CHECK CONNECTOR AND TERMINAL

  1. Disconnect 12V battery negative terminal.

  2. Disconnect ADAS control unit 2 harness connector.

  3. Disconnect ABS actuator and electric unit (control unit) harness connector.

  4. Check the connector for disconnection or looseness.

  5. Check the terminals for damage or loose connection with harness connector.

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair / replace harness, connector, or terminal, securely lock the connector. GO TO 4.

PERFORM SELF-DIAGNOSIS

CONSULT

  1. Connect ADAS control unit 2 harness connector.

  2. Connect ABS actuator and electric unit (control unit) harness connector.

  3. Connect 12V battery negative terminal.

  4. Erase self-diagnosis result for “ABS”.

  5. Ignition switch OFF (Auto ACC function OFF).

  6. Start the engine.

    NOTE:

    Wait at least 10 seconds after start the engine.

  7. Perform self-diagnosis for “ABS”.

Is DTC detected?

YES>>

Check the DTC. Refer to DTC Index.

NO>>

Inspection End

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