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Home >> Infiniti >> 2019 >> QX30 Pure >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> SRS Airbag Control System (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> DTC B0090: Crash Zone Sensor >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC

CONSULT screen items

DTC detecting condition

(Trouble diagnosis content)

[Malfunction type]

B0090

11

Front crash zone sensor left

(Front crash zone sensor left)

[CIRC SHORT TO GRND]

Diagnosis condition

When ignition switch is ON.

Signal (terminal)

Crash zone sensor signal

Threshold

Crash zone sensor circuit is shorted to ground

Diagnosis delay time

2.5 sec.

12

[CIRC SHORT TO BATTERY]

Diagnosis condition

When ignition switch is ON.

Signal (terminal)

Crash zone sensor signal

Threshold

Crash zone sensor circuit is shorted to power supply circuit

Diagnosis delay time

2.5 sec.

49

[INTERNAL ELECTRONIC]

Diagnosis condition

When ignition switch is ON.

Signal (terminal)

Crash zone sensor signal

Threshold

Crash zone sensor is malfunctioning

Diagnosis delay time

2.5 sec.

55

[NOT CONFIURED]

Diagnosis condition

When ignition switch is ON.

Signal (terminal)

--

Threshold

When no data are stored in the air bag diagnosis sensor unit

Diagnosis delay time

2.5 sec.

87

[MISSING MESSAGE]

Diagnosis condition

When ignition switch is ON.

Signal (terminal)

Crash zone sensor signal

Threshold

Communication malfunction of crash zone sensor

Diagnosis delay time

2.5 sec.