Typical Malfunction Thresholds
WARNING: This page is about a different variant/trim than selected.
P2237: AIR FUEL RATIO SENSOR (SENSOR 1) CIRCUIT CONTINUITY CHECK (CIRCUIT OPEN)
| Air fuel ratio sensor (sensor 1) impedance | Higher than 556 Ω |
P2238: AIR FUEL RATIO SENSOR (SENSOR 1) IMPEDANCE CHECK (HIGH IMPEDANCE)
| Air fuel ratio sensor (sensor 1) impedance | Higher than 185 Ω |
P2238: AIR FUEL RATIO SENSOR (SENSOR 1) RANGE CHECK (A1A+ LOW VOLTAGE)
| A1A+ terminal voltage | 1.26 V or less |
P2238: AIR FUEL RATIO SENSOR (SENSOR 1) CORRELATION (A1A+ AND A1A-)
| Difference between A1A+ terminal and A1A- terminal voltage | 0.2 V or less |
P2239: AIR FUEL RATIO SENSOR (SENSOR 1) RANGE CHECK (A1A+ HIGH VOLTAGE)
| A1A+ terminal voltage | Higher than 4.47 V |
P2239: AIR FUEL RATIO SENSOR (SENSOR 1) CORRELATION (A1A+ AND A1A-)
| Difference between A1A+ terminal and A1A- terminal voltage | Higher than 1.04 V |
P2252: AIR FUEL RATIO SENSOR (SENSOR 1) RANGE CHECK (A1A- LOW VOLTAGE)
| A1A- terminal voltage | 1.07 V or less |
P2253: AIR FUEL RATIO SENSOR (SENSOR 1) RANGE CHECK (A1A- HIGH VOLTAGE)
| A1A- terminal voltage | Higher than 3.93 V |