Toyota Corolla (E120): Short in d squib (2nd step) circuit

Dtc b1180/17 short in d squib (2nd step) circuit

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Abbreviations used in this manual
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Disposal
1. Dispose shock absorber assy front lh  fully extend the shock absorber piston rod.  using a drill, make a hole in the cylinder as shown in the illustration to discharge the gas inside. Caution: when drilling, chips may fly out, work carefully. The gas is colorless, o ...

Circuit description
The rear heated oxygen sensor is used to monitor oxygen concentration in the exhaust gas. For optimum catalytic converter operation, the air fuel mixture must be maintained near the ideal ”stoichiometric” ratio. The heated oxygen sensor output voltage changes suddenly in the vicinity of ...