B1337, B1338, B2337, B2338
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Airbag warning lamp on.
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B1337, B1338, B2337, B2338
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B1337
Passenger airbag. Open Circuit
B1338
Passenger Airbag. Resistance too Low
B2337
Passenger Airbag. Short to Ground
B2338
Passenger Airbag. Short to B+
Fault symptoms
Airbag warning lamp on.
Conditions
The following conditions are applicable to the respective diagnostic trouble codes:
B1337
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The resistance measured by the control module is higher than 3.67 ohms for 10 s.
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The resistance measured by the control module is higher than 225 ohms for 160 ms.
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Fault diagnosis will not be carried out if diagnostic trouble code B2337 or B2338 has been generated.
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B1338
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The resistance measured by the control module is lower than 1.34 ohms for 20 s.
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Fault diagnosis will not be carried out if diagnostic trouble code B2337 or B2338 has been generated.
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B2337
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The voltage applied to control module pin 3 is lower than 1.5 V for 1.25 s.
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B2338
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The voltage applied to control module pin 4 is higher than 3.5 V for 1.25 s.
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