Toyota Corolla (E120): Circuit description

The p squib (2nd step) circuit consists of the airbag sensor assy center and instrument panel passenger airbag assy.

It causes the srs to deploy when the srs deployment conditions are satisfied.

Dtc b1188/56 is recorded when a b+ short is detected in the p squib (2nd step) circuit.

Wiring diagram

Wiring diagram

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    Replacement
    1. Disconnect battery negative terminal 2. Remove engine under cover rh 3. Remove starter assy Disconnect the starter connector.  open the terminal cover. remove the nut, then disconnect the starter wire.  remove the 2 bolts, then remove the starter. 4. Install starter a ...

    Evap monitor (vacuum pressure monitor) (continued)
    Preconditions The monitor will not run unless: mil is off. Fuel level is approximately 1/2 to 3/4. Altitude is 7800 feet (2400 m) or less.* Engine coolant temperature (ect) is between 40°f and 95°f (4.4 °C and 35 °C). Intake air temperature (iat) is between 40°f and 95 ...

    Circuit description
    Refer to dtc p0115 Dtc no. Dtc detection condition Trouble area P0116 If engine coolant temperature (ect) was between 35 c (95 °F) and 60 c (140 °F) when starting the engine, and also conditions (a) and (b) are met:  vehicle has run with acceleration an ...