TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
p.088
SRS/Supplemental Restraint System89 / 102
p.090
Check center airbag sensor assembly. — MK4 Supra Supplemental Restraint System, page 89
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RS–89 SUPPLEMENTAL RESTRAINT SYSTEM – TROUBLESHOOTING 3 Check center airbag sensor assembly. P– P+ Center Airbag Sensor Assembly P squib D squib Spiral Cable D– D+ ACC ON or DLC 1 Code 53 E1 Tc DLC 2 Tc E1 AB0069 AB0085 R06907 AB0118 AB0119 16r-23-1-A R05169 S-17-1 P (1) Using a service wire, connect D+ and D– on spi– ral cable side of connector between spiral cable and steering wheel pad. (2) Using a service wire, connect P+ and P– on center airbag sensor assembly side of connector be– tween center airbag sensor assembly and front passenger airbag assembly. (3) Connect negative (–) terminal cable to battery, and wait at least 2 seconds. C (1) Turn ignition switch to LOCK, and wait at least 2 seconds. (2) Turn ignition switch to ACC or ON, wait at least 20 seconds. (3) Clear malfunction code stored in memory. (See page RS–47) (4) Turn ignition switch to LOCK, and wait at least 20 seconds. (5) Remove the service wire which connect P+ and P– on center airbag assembly side of connector between center airbag sensor assembly and front passenger airbag assembly. (6) Using SST, connect terminals Tc and E1 of DLC1 or DLC2. SST 09843–18020 (7) Check diagnostic trouble code. OK Diagnostic trouble code 53 is not output. Hint Codes other than code 53 may be output at this time, but they are not relevant to this check. OK NG Replace center airbag sensor assembly.