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Toyota Corolla Repair Manual: 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

Short in squib (2nd step) circuit (to b+)
Dtc b1188/56 short in squib (2nd step) circuit (to b+) ...

Inspection procedure
1 Check p squib circuit(airbag sensor assy center instrument panel passenger airbag assy) Disconnect the negative () terminal cable from the battery, and wait at least for 90 seconds. ...

Other materials:

Diagnostics
Preparation Sst 0981630010 Oil pressure switch socket Sfi system 0984318040 Diagnosis check wire no.2 Sfi system supplemental restraint system Recomended tools 0908200040 Toyota electrical tester Sfi system supplemental re ...

Onvehicle inspection
1. Inspect drive belt Visually check the belt for excessive wear, frayed cords, etc. If any defect is found, replace the drive belt. Hint: cracks on the rib side of a belt are considered acceptable. If the missing chunks from the ribs are found on the belt, it should be replaced. 2 ...

Dtc check/clear
Notice: if there is no dtc in the normal mode, check the pending fault code using the continuous test results function (mode 7 for sae j1979) on the obd ii scan tool or the handheld tester. Handheld tester only: when the diagnosis system is switched from the normal mode to the chec ...

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