Inspection Mode Z
| DTC | Description & trouble part | Condition | Number of driving cycles on the detecting condition |
|---|---|---|---|
| P0030 | A/F/O2 HEATER CONTROL CIRCUIT BANK 1 SENSOR 1 | - | 2 |
| P0068 | MAP/MAF - THROTTLE POSITION CORRELATION | - | 2 |
| P0101 | MASS OR VOLUME AIR FLOW SENSOR "A" CIRCUIT RANGE/PERFORMANCE | - | 2 |
| P219C | CYLINDER 1 AIR-FUEL RATIO IMBALANCE | - | 2 |
| P219D | CYLINDER 2 AIR-FUEL RATIO IMBALANCE | - | 2 |
| P219E | CYLINDER 3 AIR-FUEL RATIO IMBALANCE | 2 | |
| P219F | CYLINDER 4 AIR-FUEL RATIO IMBALANCE | 2 |
WARNING:
When performing inspection mode Z 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 according to the drive pattern described below.
(1) 0 km/h (0 MPH) (2) 60 km/h (37 MPH) (3) 88 km/h (55 MPH) (A) Shift the select lever to "P" range, and let the engine idle for 10 seconds or more . (B) Accelerate with the throttle half-open to 88 km/h (55 MPH) or more . (C) Drive for 20 seconds or more at 88 km/h (55 MPH) or more . (D) Decelerate the vehicle speed to 60 km/h (37 MPH) with fully closed throttle . (E) Drive for 20 seconds or more at 60 km/h (37 MPH) or less . (F) Accelerate with the throttle half-open to 88 km/h (55 MPH) or more . (G) Stop vehicle with the throttle fully closed . (H) Vehicle speed (I) Sec . - Read the pending code using the Subaru Select Monitor or general scan tool. Ref. to COMMON (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .