Inspection Mode A
DTC DESCRIPTION - INSPECTION MODE A
| DTC | Description & trouble part | Condition | Number of driving cycles on the detecting condition |
|---|---|---|---|
| P0087 | FUEL RAIL/SYSTEM PRESSURE - TOO LOW BANK 1 | Complete diagnosis with inspection mode B as well. | 1 |
| P0088 | FUEL RAIL/SYSTEM PRESSURE - TOO HIGH BANK 1 | Complete diagnosis with inspection mode B as well. | 1 |
| P0128 | COOLANT THERMOSTAT (COOLANT TEMPERATURE BELOW THERMOSTAT REGULATING TEMPERATURE) | 2 | |
| P013A | O2 SENSOR SLOW RESPONSE - RICH TO LEAN BANK 1 SENSOR 2 | - | 2 |
| P013E | O2 SENSOR DELAYED RESPONSE - RICH TO LEAN BANK 1 SENSOR 2 | - | 2 |
| P0141 | O2 SENSOR HEATER CIRCUIT BANK 1 SENSOR 2 | - | 2 |
| P014C | A/F/O2 SENSOR SLOW RESPONSE - RICH TO LEAN BANK 1 SENSOR 1 | - | 2 |
| P014D | A/F/O2 SENSOR SLOW RESPONSE - LEAN TO RICH BANK 1 SENSOR 1 | - | 2 |
| P015A | A/F/O2 SENSOR DELAYED RESPONSE - RICH TO LEAN BANK 1 SENSOR 1 | - | 2 |
| P015B | A/F/O2 SENSOR DELAYED RESPONSE - LEAN TO RICH BANK 1 SENSOR 1 | - | 2 |
| P0171 | SYSTEM TOO LEAN BANK 1 | Complete diagnosis with inspection mode B as well. | 2 |
| P0172 | SYSTEM TOO RICH BANK 1 | Complete diagnosis with inspection mode B as well. | 2 |
| P0300 | RANDOM/MULTIPLE CYLINDER MISFIRE DETECTED | Complete diagnosis with inspection mode B as well. | 2 |
| P0301 | CYLINDER 1 MISFIRE DETECTED | Complete diagnosis with inspection mode B as well. | 2 |
| P0302 | CYLINDER 2 MISFIRE DETECTED | Complete diagnosis with inspection mode B as well. | 2 |
| P0303 | CYLINDER 3 MISFIRE DETECTED | Complete diagnosis with inspection mode B as well. | 2 |
| P0304 | CYLINDER 4 MISFIRE DETECTED | Complete diagnosis with inspection mode B as well. | 2 |
| P0459 | EVAP SYSTEM (CPC) PURGE CONTROL VALVE "A" CIRCUIT HIGH | - | 2 |
| P0562 | SYSTEM VOLTAGE LOW | - | 1 |
| P0563 | SYSTEM VOLTAGE HIGH | - | 1 |
| P2096 | POST CATALYST FUEL TRIM SYSTEM TOO LEAN BANK 1 | Complete diagnosis with inspection mode B as well. | 2 |
| P2097 | POST CATALYST FUEL TRIM SYSTEM TOO RICH BANK 1 | Complete diagnosis with inspection mode B as well. | 2 |
| P2195 | A/F/O2 SENSOR SIGNAL BIASED/STUCK LEAN BANK 1 SENSOR 1 | - | 2 |
| P2196 | A/F/O2 SENSOR SIGNAL BIASED/STUCK RICH BANK 1 SENSOR 1 | - | 2 |
| P2270 | O2 SENSOR SIGNAL BIASED/STUCK LEAN BANK 1 SENSOR 2 | - | 2 |
| P2271 | O2 SENSOR SIGNAL BIASED/STUCK RICH BANK 1 SENSOR 2 | - | 2 |
WARNING:
When performing inspection mode A 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.
- 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 Control System]. Ref. to COMMON (DIAGNOSTICS)>CLEAR MEMORY .
- Drive for 20 minutes or more at a constant speed of 80 km/h (50 MPH) or more.
- Stop the vehicle and idle for one minute.
- Read the readiness code of [Engine Control System] using Subaru Select Monitor and check that the concerned self-diagnosis is completed. Ref. to ENGINE (DIAGNOSTICS) (H4DO)>ALL READINESS DIAGNOSTIC CODE(S) .
- Read the pending code using the Subaru Select Monitor or general scan tool. Ref. to COMMON (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .