DTC Detection Logic
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DTC No. |
CONSULT screen terms |
DTC detecting condition |
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|
(Trouble diagnosis content) |
Malfunction type |
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|
P2237 |
84 |
O2 SENSOR B1 SEN 1 (O2 Sensor Positive Current Control Circuit/Open Bank 1 Sensor 1) |
SIG BELOW ALLOWABLE RANGE |
The pump current connection of A/F sensor (cylinder bank 1) has an electrical malfunction or open circuit. There is a signal below the permissible limit value. |
|
85 |
SIG ABOVE ALLOWABLE RANGE |
The pump current connection of A/F sensor (cylinder bank 1) has an electrical malfunction or open circuit. There is a signal above the permissible limit value. |
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|
86 |
SIGNAL INVALID |
The pump current connection of A/F sensor (cylinder bank 1) has an electrical malfunction or open circuit. There is an incorrect signal. |
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