Toyota Corolla (E120): Fuel pump control circuit

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Diagnostic trouble code chart
Hint: when the srs warning light remains lit up and the dtc is the normal code, this means a voltage source drops. This malfunction is not stored in memory by the airbag sensor assy center and if the power source voltage returns to normal, the srs warning light will autom ...

Circuit description
The airbag sensor front lh circuit consists of the airbag sensor assy center and airbag sensor front lh. Dtc b1158/b1159/16 is recorded when malfunction is detected in the airbag sensor front lh circuit. Wiring diagram ...

Circuit inspection
1 Check d squib circuit(airbag sensor assy center – horn button assy) 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 horn button assy.  connect the ...