Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / Catalyst system efficiency below
threshold
Toyota Corolla (E120): Catalyst system efficiency below threshold
Dtc p0420 catalyst system efficiency below threshold (bank 1)
Share this page:
Other materials:
Components
...
Circuit description
The d squib circuit consists of the airbag sensor assy center, spiral cable
sub–assy and horn button assy.
It causes the srs to deploy when the srs deployment conditions are satisfied.
Dtc b0100/13 is recorded when a short is detected in the d squib circuit.
Wiring diagram
...
Replacement
Hint: components:
1. Precaution
2. Disconnect battery negative terminal
3. Remove air bag front rh sensor
Disconnect the connector from the airbag front rh sensor.
remove the 2 bolts and airbag front rh sensor.
4. Inspect air bag front rh sensor
5. Install air bag front rh ...