Inspection Mode Z

DTC DESCRIPTION - 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.

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.

Courtesy of SUBARU OF AMERICA, INC.

(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) .