Toyota Corolla (E120): System too lean/rich

Dtc p0171 system too lean (bank 1)

Dtc p0172 system too rich (bank 1)

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Inspection procedure
1 Check front airbag sensor (lh) circuit (to b+)(airbag sensor assy center – airbag sensor front 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 airbag ...

Using the AUX port
To use the AUX port, connect a portable player, press the “AUDIO” button, then select “AUX” to display the audio control screen. Connecting a portable audio player ■Operating portable audio players connected to the multimedia system The volume can be adjusted using the vehicle' ...

Adjustment
1. Inspect and adjust clutch pedal sub–assy Turn over the floor carpet.  check that the pedal height is correct. Pedal height from asphalt sheet: 135.8 – 145.8 Mm (5.346 – 5.740 In.)  adjust the pedal height. Loosen the lock nut and turn the stopper bolt until ...