Typical Enabling Conditions
WARNING: This page is about a different variant/trim than selected.
P22AB: AIR FUEL RATIO SENSOR (SENSOR 2) CIRCUIT OPEN
| Auxiliary battery voltage | 10.5 V or higher |
| Time after heater on | 100 seconds or more |
| Ignition switch | ON |
| Air fuel ratio sensor (sensor 2) heater circuit fail (P0037, P0038, P102D) | Not detected |
| Air fuel ratio sensor (sensor 2) positive current control circuit range check fail (P22AC, P22AD) | Not detected |
| Air fuel ratio sensor (sensor 2) positive/negative current control circuit correlation fail (P22AC, P22AD) | Not detected |
| Air fuel ratio sensor (sensor 2) negative current control circuit range check fail (P22B3, P22B4) | Not detected |
P22AC AND P22AD: AIR FUEL RATIO SENSOR (SENSOR 2) RANGE CHECK (A1B+ LOW VOLTAGE, A1B+ HIGH VOLTAGE)
| Auxiliary battery voltage | 10.5 V or higher |
| Ignition switch ON | 5 seconds or more |
| Air fuel ratio sensor (sensor 2) positive current control circuit open fail (P22AB) | Not detected |
| Air fuel ratio sensor (sensor 2) positive/negative current control circuit correlation fail (P22AC, P22AD) | Not detected |
| Air fuel ratio sensor (sensor 2) negative current control circuit range check fail (P22B3, P22B4) | Not detected |
P22AC: AIR FUEL RATIO SENSOR (SENSOR 2) CORRELATION (A1B+ AND A1B-)
| Auxiliary battery voltage | 10.5 V or higher |
| Ignition switch ON | 5 seconds or more |
| A1B- terminal voltage | Higher than 2.77 V |
| Air fuel ratio sensor (sensor 2) positive current control circuit open fail (P22AB) | Not detected |
| Air fuel ratio sensor (sensor 2) positive current control circuit range check fail (P22AC, P22AD) | Not detected |
| Air fuel ratio sensor (sensor 2) negative current control circuit range check fail (P22B3, P22B4) | Not detected |
P22AD: AIR FUEL RATIO SENSOR (SENSOR 2) CORRELATION (A1B+ AND A1B-)
| Auxiliary battery voltage | 10.5 V or higher |
| Ignition switch ON | 5 seconds or more |
| Air fuel ratio sensor (sensor 2) positive current control circuit open fail (P22AB) | Not detected |
| Air fuel ratio sensor (sensor 2) positive current control circuit range check fail (P22AC, P22AD) | Not detected |
| Air fuel ratio sensor (sensor 2) negative current control circuit range check fail (P22B3, P22B4) | Not detected |
P22B3 AND P22B4: AIR FUEL RATIO SENSOR (SENSOR 2) RANGE CHECK (A1B- LOW VOLTAGE, A1B- HIGH VOLTAGE)
| Auxiliary battery voltage | 10.5 V or higher |
| Ignition switch ON | 5 seconds or more |
| Air fuel ratio sensor (sensor 2) positive current control circuit open fail (P22AB) | Not detected |
| Air fuel ratio sensor (sensor 2) positive/negative current control circuit correlation fail (P22AC, P22AD) | Not detected |
| Air fuel ratio sensor (sensor 2) positive current control circuit range check fail (P22AC, P22AD) | Not detected |