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
Other materials:
How to proceed with troubleshooting
The hand–held tester can be used at step 3, 4, 5, 7, 10.
1 Vehicle brought to workshop
2 Customer problem analysis
3 Connect hand–held tester to dlc3
Hint:
if the display indicates a communication fault in the tool, inspect dlc3.
4 Check dtc and freeze frame data
Hint:
record or pr ...
Inspection procedure
1 Check side squib(lh) circuit(airbag sensor assy center – front
seat airbag assy lh)
Disconnect the negative (–) terminal cable from the battery,
and wait at least for 90 seconds.
disconnect the connectors between the airbag sensor
assy center and the front seat airbag assy ...
On–vehicle inspection
1. Inspect front axle hub bearing
remove the front wheel.
separate the front disc brake caliper assy .
remove the front disc.
inspect the bearing backlash.
Using a dial indicator, check the backlash near the
center of the axle hub.
Maximum: 0.05 Mm (0. ...