Inspection Mode AO
| DTC | Description and trouble part | Condition | Number of driving cycles on the detecting condition |
|---|---|---|---|
| P0420 | CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD BANK 1 | - | 2 |
WARNING:
When performing inspection mode AO on a public road, pay sufficient attention to the traffic condition and give the highest priority to safe driving.
NOTE:
- Perform the inspection mode after warming up the engine except that the engine coolant temperature at engine start is specified .
- Even if switched to the hybrid battery save mode under the following conditions, the engine may not start .
- Power from HV battery is low and reduction in SOC is slight .
- SOC is recovering due to regeneration, etc .
- Check that the battery voltage is 12 V or more and fuel remains approx. half [20 - 40 L (5.3 - 10.6 US gal, 4.4 - 8.8 Imp gal)].
- Using the Subaru Select Monitor, perform the clear memory of [Engine]. Ref. to COMMON (DIAG)>CLEAR MEMORY .
- Drive according to the drive pattern described below.NOTE:
- The condition of acceleration or constant driving can be changed according to different traffic conditions .
- If diagnostic values have not been input after driving, repeat the cycle from diagnosis 3 without stopping the engine .
- Read the temporary code using the Subaru Select Monitor or general scan tool. Ref. to COMMON (DIAG)>DIAGNOSTIC TROUBLE CODE (DTC) .