Toyota Corolla (E120): Short in d squib circuit (to b+)

Dtc b0103/12 short in d squib circuit (to b+)

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Circuit description
When a misfire occurs in the engine, hydrocarbons (hc) enter the exhaust in high concentrations. If this hc concentration is high enough, there could be an increase in exhaust emissions levels. High concentrations of hc passing through the catalyst also cause to temperature of the catalyst to ...

Removal and installation of engine intake parts
If any metal tip is mixed in the inlet pass, this may give a bad effect to the engine and turbocharger.  when removing and installing the inlet system parts, close the opening of the removed inlet system parts and the engine with a clean shop rag or gummed tape.  when inst ...

System description
The ecm uses the signals from the throttle position sensor, air–flow meter and crankshaft position sensor to monitor the engagement condition of the lock–up clutch. Then the ecm compares the engagement condition of the lock–up clutch with the lock–up schedule in the ecm memory to de ...