DTC Detection Logic
To judge malfunctions, the diagnosis checks that the A/F signal computed by ECM from the A/F sensor 1 signal fluctuates according to fuel feedback control.
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DTC No. |
CONSULT screen terms (Trouble diagnosis content) |
DTC detecting condition |
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P0150 |
A/F SENSOR1 (B2) [Air fuel ratio (A/F) sensor 1 (bank 2) circuit] |
A |
The A/F signal computed by ECM from the A/F sensor 1 signal is constantly in a range other than approx. 2.2 V. |
|
B |
The A/F signal computed by ECM from the A/F sensor 1 signal is constantly approx. 2.2 V. |
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