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Home >> Infiniti >> 2019 >> QX30 Pure >> Repair and Diagnosis (Single Page) >> Restraints >> Seat Belts >> SRS Airbag Control System (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> DTC B00A0: Occupant Classification System Control Unit >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC

CONSULT screen items

DTC detecting condition

(Trouble diagnosis content)

[Malfunction type]

B00A0

01

Occupant detection sensor ECU

[ELECTRICAL MALFUNCTION]

Diagnosis condition

When ignition switch is ON.

Signal (terminal)

Occupant classification sensor signal

Threshold

Driver air bag module circuit is shorted to ground

Diagnosis delay time

5 sec.

16

[CIRC VOLT BELOW THRESHOLD]

Diagnosis condition

When ignition switch is ON.

Signal (terminal)

Battery low voltage signal

Threshold

Power supply malfunction (low voltage) of occupant classification system control unit

Diagnosis delay time

5 sec.

54

[MISSING CALIBRATION]

Diagnosis condition

When ignition switch is ON.

Signal (terminal)

--

Threshold

Incomplete of calibration for occupant classification system control unit

Diagnosis delay time

5 sec.

56

[An incorrect or incompatible configuration was detected]

Diagnosis condition

When ignition switch is ON.

Signal (terminal)

Occupant classification system control unit ID signal

Threshold

Occupant classification system control unit ID is wrong

Diagnosis delay time

5 sec.

57

[Incorrect or incompatible software modules were detected]

Diagnosis condition

When ignition switch is ON.

Signal (terminal)

Weight signal (LIN communication)

Threshold

Weight signal do not match

Diagnosis delay time

5 sec.

68

[EVENT INFORMATION]

Diagnosis condition

When ignition switch is ON.

Signal (terminal)

Weight class signal

Threshold

--

Diagnosis delay time

25 sec.

B00A0

7A

Occupant detection sensor ECU

[FLUID LEAK OR SEAL FAILURE]

Diagnosis condition

When ignition switch is ON.

Signal (terminal)

Pressure signal

Threshold

Pressure sensor is malfunction

Diagnosis delay time

5 sec.

7B

[LOW FLUID LEVEL]

Diagnosis condition

When ignition switch is ON.

Signal (terminal)

Driver air bag module signal

Threshold

Driver air bag module circuit is shorted to power supply circuit

Diagnosis delay time

5 sec.

81

[INVALID SERIAL DATA RECEIVED]

Diagnosis condition

When ignition switch is ON.

Signal (terminal)

Weight signal

Threshold

wrong weight

Diagnosis delay time

24 sec.

92

[PERFORMANCE OR INCORRECT OPERATION]

Diagnosis condition

When ignition switch is ON.

Signal (terminal)

--

Threshold

Acceleration self test error

Diagnosis delay time

5 sec.

96

[CMPNENT INTERNAL MLFNCTN]

Diagnosis condition

When ignition switch is ON.

Signal (terminal)

--

Threshold

Occupant classification system control unit detected internal error

Diagnosis delay time

5 sec.

98

[COMPONENT/SYS OVER TEMP]

Diagnosis condition

When ignition switch is ON.

Signal (terminal)

Temperature signal

Threshold

Temperature sensor is malfunction

Diagnosis delay time

5 sec.