FixVault

DTC Detection Logic

To judge the malfunction, the diagnosis checks that the A/F signal computed by ECM from the A/F sensor 1 signal is not inordinately high.

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

P0152

A/F SENSOR1 (B2)

[Air fuel ratio (A/F) sensor 1 (bank 2) circuit high voltage]

The A/F signal computed by ECM from the A/F sensor 1 signal is constantly approx. 5 V.