Typical Enabling Conditions
TIMER MALFUNCTION:
| Monitor runs whenever following DTC not present | None |
| Ignition switch | ON |
| Engine | Running |
| Battery voltage | 8 V or more |
| Starter | OFF |
| CPU clock elapsed time | 10 minutes or more |
TIMER START-UP MALFUNCTION (CASE 1):
| Monitor runs whenever following DTC not present | None |
| Internal engine off timer (elapsed time from engine stop) | Less than 1800 seconds |
| Ignition switch | ON |
| Battery voltage | 8 V or more |
| Starter | OFF |
TIMER START-UP MALFUNCTION (CASE 2):
| Monitor runs whenever following DTC not present | None |
| Internal engine off timer (elapsed time from engine stop) | 2400 seconds or more |
| Ignition switch | ON |
| Battery voltage | 8 V or more |
| Starter | OFF |