Typical Enabling Conditions
WARNING: This page is about a different car, the 2018 Toyota Sequoia, 2017 Toyota Sequoia, and 2016 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
CASE 1
| Monitor runs whenever following DTCs not stored | None |
| Current air pump heater relay (AIR-HTR) | ON |
| Last air pump heater relay (AIR-HTR) | ON |
| Battery | 8 V or more |
| Ignition switch | ON |
| Starter | OFF |
CASE 2
| Monitor runs whenever following DTCs not stored | None |
| Current air pump heater relay (AIR-HTR) | OFF |
| Last air pump heater relay (AIR-HTR) | OFF |
| Battery | 8 V or more |
| Ignition switch | ON |
| Starter | OFF |