Typical Enabling Conditions
WARNING: This page is about a different car, the 2006 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
Common conditions
COMMON CONDITIONS
| This monitor runs whenever these DTCs are not present |
|
| Atmospheric pressure | 45 kPa or higher |
| Battery voltage | 11.5 V or higher |
Conditions for Case 1, Case 2 and Case 3
CONDITIONS FOR CASE 1, CASE 2 AND CASE 3
| Sequence 1 - 5 are performed to monitor AIR | - |
| [Sequence 1] | - |
| Idle | ON |
| AIR | In operation |
| AIR pump | ON |
| AIR valve | ON |
| AIR VSV bank 1 | ON (OFF) |
| AIR VSV bank 2 | OFF (ON) |
| [Sequence 2] | - |
| Idle | ON |
| AIR | In operation |
| AIR valve | ON |
| AIR VSV bank 1 | ON |
| AIR VSV bank 2 | ON |
| [Sequence 3] | - |
| Engine RPM | Less than 3,750 rpm |
| AIR | In operation |
| AIR pump | ON |
| AIR valve | ON |
| AIR VSV bank 1 | ON |
| AIR VSV bank 2 | ON |
| [Sequence 4-a] | Performed when AIR pressure changes at sequence 2 |
| Engine RPM | Less than 3,750 rpm |
| AIR | Not operating |
| AIR pump | OFF |
| AIR valve | OFF |
| AIR VSV bank 1 | OFF |
| AIR VSV bank 2 | OFF |
| [Sequence 4-b] | Performed when AIR pressure does not change at sequence 2 |
| Engine RPM | Less than 3,750 rpm |
| AIR | Not operating |
| AIR pump | ON |
| AIR valve | ON |
| AIR VSV bank 1 | ON (OFF) |
| AIR VSV bank 2 | OFF (ON) |
| [Sequence 5] | - |
| Engine RPM | Less than 3,750 rpm |
| AIR | Not operating |
| AIR pump | OFF |
| AIR valve | ON |
| AIR VSV bank 1 | OFF |
| AIR VSV bank 2 | OFF |
Conditions for Case 4
CONDITIONS FOR CASE 4
| ECT at engine start | Lower than 5°C (41°F) |
| IAT at engine start | -15°C (5°F) or higher |
| Time that ECT is 80°C (176°F) or higher | 10 to 60 minutes |
| Vehicle speed | 80 km/h or more |
| Cumulative intake air amount | 172 g/sec. or more |
| Sequence 3 of AIR monitor | Completed |
| AIR valve | OFF |
| AIR VSV bank 1 | OFF |
| AIR VSV bank 2 | OFF |