RS–84 SUPPLEMENTAL RESTRAINT SYSTEM – TROUBLESHOOTING 4 Check SRS warning light circuit. Center Airbag Sensor Assembly ON LA AB0118 R05298 P (1) Disconnect center airbag sensor assembly connector. (2) Connect negative (–) terminal cable to battery. (3) Turn ignition switch to ACC or ON. C Measure voltage LA terminal of harness side connector of center airbag sensor assembly. OK Voltage: Battery positive voltage OK NG Repair SRS warning light circuit. 5 Does SRS warning light come on? P squib Spiral Cable D squib Center Airbag Sensor Assembly ON R05902 AB0119 R05893 P (1) Disconnect negative (–) terminal cable from the battery. (2) Connect center airbag sensor assembly connector. (3) Connect negative (–) terminal cable to battery, and wait at least 2 seconds. (4) Turn ignition switch to ACC or ON C Check operation of SRS warning light. OK SRS warning light comes on. YES NO Check terminal LA of center airbag sensor assembly and electrical connection check mechanism. If normal, replace center airbag sensor assembly. From the results of the above inspection, the malfunctioning part can now be considered normal. To make sure of this, use the simulation method to check. 6 Is new ECU–B fuse burnt out again? YES NO Using simulation method, reproduce malfunction symptoms (See page RS–48). Check harness between ECU–B fuse and SRS warning light.