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Home >> Scion >> 2012 >> tC Automatic Trans >> Repair and Diagnosis (Single Page) >> Restraints >> Air Bag, SRS >> Supplemental Restraint System (Diagnostic Codes & Symptom Tests) >> Airbag System >> DTC B1805/52: Short in Front Passenger Side Squib Circuit; DTC B1806/52: Open in Front Passenger Side Squib Circuit; DTC B1807/52: Short to GND in Front Passenger Side Squib Circuit; DTC B1808/52: Short to B+ in Front Passenger Side Squib Circuit >> Description

DTC B1805/52: Short in Front Passenger Side Squib Circuit; DTC B1806/52: Open in Front Passenger Side Squib Circuit; DTC B1807/52: Short to GND in Front Passenger Side Squib Circuit; DTC B1808/52: Short to B+ in Front Passenger Side Squib Circuit: Description

The front passenger side squib circuit consists of the center airbag sensor and instrument panel passenger airbag.

The circuit instructs the SRS to deploy when deployment conditions are met.

These DTCs are stored when a malfunction is detected in the front passenger side squib circuit.

DTC Code DTC Detection Condition Trouble Area
B1805/52 One of the following conditions is met:
  • The center airbag sensor detects a line short circuit signal 5 times in the front passenger side squib circuit during the primary check.
  • A front passenger side squib malfunction.
  • A center airbag sensor malfunction.
  • Instrument panel wire
  • No. 2 instrument panel wire
  • Instrument panel passenger airbag assembly (Front passenger side squib)
  • Center airbag sensor assembly
B1806/52 One of the following conditions is met:
  • The center airbag sensor detects an open circuit signal in the front passenger side squib circuit for 2 seconds.
  • A front passenger side squib malfunction.
  • A center airbag sensor malfunction.
  • Instrument panel wire
  • No. 2 instrument panel wire
  • Instrument panel passenger airbag assembly (Front passenger side squib)
  • Center airbag sensor assembly
B1807/52 One of the following conditions is met:
  • The center airbag sensor detects a short circuit to ground signal in the front passenger side squib circuit for 0.5 seconds.
  • A front passenger side squib malfunction.
  • A center airbag sensor malfunction.
  • Instrument panel wire
  • No. 2 instrument panel wire
  • Instrument panel passenger airbag assembly (Front passenger side squib)
  • Center airbag sensor assembly
B1808/52 One of the following conditions is met:
  • The center airbag sensor detects a short circuit to B+ signal in the front passenger side squib circuit for 0.5 seconds.
  • A front passenger side squib malfunction.
  • A center airbag sensor malfunction.
  • Instrument panel wire
  • No. 2 instrument panel wire
  • Instrument panel passenger airbag assembly (Front passenger side squib)
  • Center airbag sensor assembly
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