TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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SRS/Supplemental Restraint System64 / 102
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SUPPLEMENTAL RESTRAINT SYSTEM — TROUBLESHOOTING — MK4 Supra Supplemental Restraint System, page 64
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RS–64 SUPPLEMENTAL RESTRAINT SYSTEM – TROUBLESHOOTING 7 Check D squib. P squib Center Airbag Sensor Assembly D squib Spiral Cable ACC ON or DLC 1 E1 Tc Code 12 DLC 2 Tc E1 R05896 AB0118 AB0119 lei-23-1-A FI1388 S-17-1 P (1) Turn ignition switch to LOCK. (2) Disconnect negative (–) terminal cable from the battery, and wait at least 90 seconds. (3) Connect steering wheel pad connector. (4) 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 or DLC2. SST 09843–18020 (6) Check diagnostic trouble code. OK Diagnostic trouble code 12 is not output. Hint Codes other than code 12 may be output at this time, but they are not relevant to this check. OK NG Replace steering wheel pad. 8 Check D squib. P squib Center Airbag Sensor Assembly Spiral Cable D squib ACC ON or DLC 1 E1 Tc Code 12 DLC 2 Tc E1 R05897 AB0118 AB0119 lei-23-1-A FI1388 S-17-1 P (1) Turn ignition switch to LOCK. (2) Disconnect negative (–) terminal cable from the battery, and wait at least 90 seconds. (3) Connect front passenger airbag assembly con– nectar. (4) 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 or DLC2. SST 09843–18020 (6) Check diagnostic trouble code. OK Diagnostic trouble code 12 is not output. Hint Codes other than code 12 may be output at this time, but they are not relevant to this check. OK NG Replace front passenger airbag assembly.