TSRM/MK3 Supra/Repair Manual
Repair ManualWiring Diagrams
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AB/SRS Airbag73 / 90
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Diag.Code 41 Malfunction Stored in Memory — MK3 Supra SRS Airbag, page 73
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SRS AIRBAG - Troubleshooting AB-73 Diag.Code 41 Malfunction Stored in Memory CIRCUIT DESCRIPTION If a malfunction occurs in the airbag system, malfunction codes 11 to 31 may be output, and when the battery is disconnected after the malfunction is repaired, malfunction codes 11 to 31 will be cleared, but code 41 will be output instead. So long as the cancellation operation for a malfunction stored in memory (See page AB-31) is not performed, code 41 is stored in the center airbag sensor assembly and the airbag warning light remains lit up. Code No. Diagnosis 41 · Malfunction recorded in memory. · Center airbag sensor assembly malfunction. DIAGNOSTIC CHART 1 Check operation of airbag warning light. OK → System is normal. ↓ NG 2 Is diagnostic code 41 output again? YES → Check harness between ECU-B ↓ fuse and center airbag sensor NO assembly. If normal, replace center airbag sensor assembly. Perform troubleshooting according to malfunction code output. WIRING DIAGRAM Center Airbag Sensor Assembly ┌─────────────┐ │ │ +B ─┬─►├ │ ECU-B ├────────► ┌───────────┤ │ Airbag Warning Light │ └─────────────┘ │ Engine Fuse ├┤ ALT Link Box ├┘ │ Battery ├┤+ │ ═╧═ AB0163