Drive Cycle H

DTC	Item	Condition
P0071	AMBIENT AIR TEMPERATURE SENSOR CIRCUIT "A" RANGE/PERFORMANCE	6 hours have elapsed since ignition switch is OFF under a completely warmed up condition. For models with block heater, at least 6 hours must have elapsed without operating the block heater.
P0116	ENGINE COOLANT TEMPERATURE SENSOR 1 CIRCUIT RANGE/PERFORMANCE	6 hours have elapsed since ignition switch is OFF under a completely warmed up condition. For models with block heater, at least 6 hours must have elapsed without operating the block heater.
P0196	ENGINE OIL TEMPERATURE SENSOR "A" RANGE/PERFORMANCE	6 hours have elapsed since ignition switch is OFF under a completely warmed up condition. For models with block heater, at least 6 hours must have elapsed without operating the block heater.
P0451	EVAP SYSTEM (CPC) PRESSURE SENSOR/SWITCH CIRCUIT RANGE/PERFORMANCE	60 seconds have elapsed since ignition switch is OFF.
P050A	COLD START IDLE CONTROL SYSTEM PERFORMANCE	-
P050B	COLD START IGNITION TIMING PERFORMANCE	-

Diagnostic procedure:

With the ignition switch ON (engine stopped), read the values in «Coolant Temp.» and «Intake Air Temp.». Ref. to DISPLAY CURRENT ENGINE DATA , OPERATION, Subaru Select Monitor.
If the values from step 1 satisfy the following conditions, idle the engine for two minutes or more.
Condition:

|Engine coolant temperature - Intake air temperature| ≤ 5°C (9°F)
NOTE:
- If the conditions are not satisfied, turn the ignition switch to OFF and wait until the parameters are satisfied.
- Hold the select lever in "P" range or "N" range at idling.
Read the temporary code using the Subaru Select Monitor or general scan tool. Ref. to OPERATION , Read Diagnostic Trouble Code (DTC).