TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
p.075
SRS/Supplemental Restraint System76 / 102
p.077
Check center airbag sensor assembly. — MK4 Supra Supplemental Restraint System, page 76
100%
RS–76 SUPPLEMENTAL RESTRAINT SYSTEM – TROUBLESHOOTING 5 Check center airbag sensor assembly. P– P+ Center Airbag Sensor Assembly P squib D squib Spiral Cable D– D+ ACC ON or DLC 1 E₁ Tc Code 14 DLC 2 Tc E₁ AB0069 AB0069 R06907 AB0118 AB0119 tel-23-1-A FI1391 S-17-1 OK P (1) Connect connector to center airbag sensor assembly. (2) Connect connector between center airbag sensor assembly and spiral cable. (3) Using a service wire, connect D+ and D– on spiral cable side of connector between spiral cable and steering wheel pad. (4) Using a service wire, connect P+ and P– on center airbag sensor assembly side of connector between center airbag sensor assembly and front passenger airbag assembly. (5) Connect negative (–) terminal cable to battery, and wait at least 2 seconds. C (1) Turn ignition switch to ACC or ON and wait at least 20 seconds. (2) Clear malfunction code stored in memory. (See page RS–47) (3) Turn ignition switch to LOCK, and wait at least 20 seconds. (4) Turn ignition switch to ACC or ON, and wait at least 20 seconds. (5) Using SST, connect terminals Tc and E₁ of DLC1 and DLC2. SST 09843–18020 (6) Check diagnostic trouble code. OK Diagnostic trouble code 14 is not output. Hint Codes other than code 14 may be output at this time, but they are not relevant to this check. NG Replace center airbag sensor assembly.