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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 667 (SRS Airbag Control System (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> DTC B0020: Side Airbag Module LH >> DTC Description >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

DTC

CONSULT name

DTC detecting condition

B0020

SIDE AIRBAG MODULE LH

[SHORT]

1A

Diagnosis condition

When ignition switch is ON

Signal (terminal)

Side air bag module LH circuit (terminals 31 and 32)

Threshold

--

Diagnosis delay time

--

SIDE AIRBAG MODULE LH

[OPEN]

13

Diagnosis condition

When ignition switch is ON

Signal (terminal)

Side air bag module LH circuit (terminals 31 and 32)

Threshold

--

Diagnosis delay time

--

SIDE AIRBAG MODULE LH

[VB-SHORT]

12

Diagnosis condition

When ignition switch is ON

Signal (terminal)

Side air bag module LH circuit (terminals 31 and 32)

Threshold

--

Diagnosis delay time

--

SIDE AIRBAG MODULE LH

[GND-SHORT]

11

Diagnosis condition

When ignition switch is ON

Signal (terminal)

Side air bag module LH circuit (terminals 31 and 32)

Threshold

--

Diagnosis delay time

--

SIDE AIRBAG MODULE LH

[SHORT]

09

Diagnosis condition

When ignition switch is ON

Signal (terminal)

Side air bag module LH circuit (terminals 31 and 32)

Threshold

--

Diagnosis delay time

--

POSSIBLE CAUSE 

[OPEN]

[VB-SHORT]

[GND-SHORT]

[SHORT]

FAIL-SAFE 

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