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AIRBAG SYSTEM, Diagnostic DTC:B1160, B1161, B1162, B1163, B1164, B1165, B1166, B1167

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DTC Code DTC Name
B1160 Airbag ECU Malfunction1
B1161 Airbag ECU Malfunction2
B1162 Airbag ECU Malfunction3
B1163 Airbag ECU Malfunction4
B1164 Airbag ECU Malfunction5
B1165 Airbag ECU Malfunction6
B1166 Airbag ECU Malfunction7
B1167 Airbag ECU Malfunction8
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DESCRIPTION

The airbag ECU assembly consists of a deceleration sensor, safing sensor, drive circuit, diagnosis circuit, ignition control, etc.

If the airbag ECU assembly receives signals from the deceleration sensor, it determines whether or not the SRS should be activated.

DTC B1160, B1161, B1162, B1163, B1164, B1165, B1166, B1167 is stored when a malfunction is detected in the airbag ECU assembly.

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Test Mode / Check Mode
B1160 Airbag ECU Malfunction1 An airbag ECU assembly malfunction Airbag ECU assembly Comes on Not applicable
B1161 Airbag ECU Malfunction2 An airbag ECU assembly malfunction Airbag ECU assembly Comes on Not applicable
B1162 Airbag ECU Malfunction3 An airbag ECU assembly malfunction Airbag ECU assembly Comes on Not applicable
B1163 Airbag ECU Malfunction4 An airbag ECU assembly malfunction Airbag ECU assembly Comes on Not applicable
B1164 Airbag ECU Malfunction5 An airbag ECU assembly malfunction Airbag ECU assembly Comes on Not applicable
B1165 Airbag ECU Malfunction6 An airbag ECU assembly malfunction Airbag ECU assembly Comes on Not applicable
B1166 Airbag ECU Malfunction7 An airbag ECU assembly malfunction Airbag ECU assembly Comes on Not applicable
B1167 Airbag ECU Malfunction8 An airbag ECU assembly malfunction Airbag ECU assembly Comes on Not applicable
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CAUTION / NOTICE / HINT

Tip:

If a DTC (except B1160, B1161, B1162, B1163, B1164, B1165, B1166 or B1167) is output at the same time as B1160, B1161, B1162, B1163, B1164, B1165, B1166 or B1167, repair the malfunction from that DTC first.

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PROCEDURE


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    CHECK DTC


    1. Check for DTCs.

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      1. Body Electrical > SRS Airbag > Trouble Codes


      Result
      Result Proceed to
      DTC B1160, B1161, B1162, B1163, B1164, B1165, B1166 or B1167 is output A
      DTC B1160, B1161, B1162, B1163, B1164, B1165, B1166, B1167 and other DTCs are output B
      Note:

      If only DTC B1160, B1161, B1162, B1163, B1164, B1165, B1166 or B1167 is output, do not clear the DTCs. Replace the airbag ECU assembly.

      Tip:

      If any DTCs other than DTC DTC B1160, B1161, B1162, B1163, B1164, B1165, B1166 and B1167 are also output, troubleshoot those DTCs first.