Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: B00a0-86 Occupant Sens Unit

Nissan Rogue (T33) 2021-Present Service Manual / Restraints :: Srs Air Bag Control System / Dtc/circuit Diagnosis :: B00a0-86 Occupant Sens Unit

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen items

(Trouble diagnosis content) 		DTC Detection Condition
B00A0–86

OCCUPANT SENS UNIT

(Occupant Classification System) 		Diagnosis condition When ignition switch is ON.
Signal (terminal) Occupant detection system control unit signal
Threshold

  • Communication malfunction of occupant detection system control unit

  • Communication blank of occupant detection system control unit
Diagnosis delay time 2 seconds or more.

POSSIBLE CAUSE

  • Connection malfunction or open circuit of harness and connector

  • Internal malfunction of occupant detection system control unit

  • Internal malfunction of air bag diagnosis sensor unit

FAIL-SAFE

—

DTC CONFIRMATION PROCEDURE

CHECK SELF DIAGNOSIS RESULT

CONSULT

  1. Ignition switch ON.

  2. Perform “Self diagnosis result” mode of “AIR BAG” using CONSULT.

Is malfunctioning part detected?

YES>>

Refer to Diagnosis Procedure.

NO-1>>

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

NO-2>>

Confirmation after repair: Inspection End

Diagnosis Procedure

WARNING:

  • Before servicing, ignition switch OFF, disconnect battery negative terminal, and wait at least 3 minutes or more. (To discharge backup capacitor.)

  • Never use unspecified tester or other measuring device.

CHECK HARNESS CONNECTOR

Check the harness connector.

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Replace harness connector.

CHECK WIRING HARNESS

Check the wiring harness externals.

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Replace wiring harness.

REPLACE OCCUPANT DETECTION SYSTEM CONTROL UNIT

  1. Replace occupant detection system control unit. Refer to Removal and Installation.

  2. Perform DTC confirmation procedure. Refer to DTC Description.

Is DTC detected?

YES>>

GO TO 4.

NO>>

Inspection End

REPLACE OCCUPANT DETECTION SYSTEM SENSOR

  1. Replace passenger seat cushion frame. Refer to Disassembly and Assembly.

  2. Perform DTC confirmation procedure. Refer to DTC Description.

Is DTC detected?

YES>>

GO TO 5.

NO>>

Inspection End

REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

  1. Replace air bag diagnosis sensor unit. Refer to Removal and Installation.

  2. Perform DTC confirmation procedure. Refer to DTC Description.

Is DTC detected?

YES>>

GO TO 1.

NO>>

Inspection End

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