DIAGNOSTIC CHART 1 Preparation. 2 Check squib circuit. OK → Go to step 5. NG ↓ 3 Check spiral cable. NG → Repair or replace spiral cable. OK ↓ 4 Check harness between center airbag NG → Repair or replace harness or sensor assembly and spiral cable. connector between center air- bag sensor assembly and spiral cable. OK ↓ 5 Check center airbag sensor assembly. NG → Replace center airbag sensor assembly. OK ↓ 6 Check squib. NG → Replace steering wheel pad. OK ↓ From the results of the above inspection, the malfunctioning part can now be con- sidered normal. To make sure of this, use the simulation method to check. WIRING DIAGRAM Center Airbag Sensor Assembly Power Source Steering Wheel Pad Spiral Cable Squib D⁺ Safing Sensor D⁻ To Front Airbag Sensor AB0191