Subaru IMPREZA GD 2007 Series Manual page 155

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ENGINE (DIAGNOSTICS)
STUCK DIAGNOSIS
1) Make sure that the battery voltage is 10.9 V or more.
2) Perform the Clear Memory Mode. <Ref. to EN(H4SO)(diag)-47, Clear Memory Mode.>
3) Drive the vehicle for the distance equal to the fuel of 50 2 (13.2 US gal, 11 Imp gal).
NOTE:
• It is acceptable to drive the vehicle intermittently.
• Do not disconnect the battery terminals while diagnosing. (Data will be cleared by disconnecting the bat-
tery terminals.)
DTC
P0181 Fuel Temperature Sensor "A" Circuit Range/Performance
6. DRIVE CYCLE E
1) Make sure that the battery voltage is 10.9 V or more.
2) Perform the Clear Memory Mode. <Ref. to EN(H4SO)(diag)-47, Clear Memory Mode.>
3) Drive the vehicle for the distance equal to the fuel of 30 2 (7.9 US gal, 6.6 Imp gal).
NOTE:
• It is acceptable to drive the vehicle intermittently.
• Do not disconnect the battery terminals while diagnosing. (Data will be cleared by disconnecting the bat-
tery terminals.)
DTC
P0461 Fuel Level Sensor "A" Circuit Range/Performance
7. DRIVE CYCLE F
1) Check that the engine coolant temperature at engine start is less than 30°C (86°F).
2) Start the engine, and warm it up until engine coolant temperature increases over 95°C (203°F).
3) After the engine has reached the state of procedure 2), idle the engine for 10 minutes or more.
NOTE:
Do not disconnect the battery terminals while diagnosing. (Data will be cleared by disconnecting the battery
terminals.)
DTC
P0111 Intake Air Temperature Sensor 1 Circuit Range/Performance
8. DRIVE CYCLE H
1) Perform the Clear Memory Mode. <Ref. to EN(H4SO)(diag)-47, Clear Memory Mode.>
2) With the ignition switch ON, read the engine coolant temperature, intake air temperature and fuel temper-
ature. <Ref. to EN(H4SO)(diag)-33, READ CURRENT DATA FOR ENGINE (NORMAL MODE), OPERA-
TION, Subaru Select Monitor.>
3) If the values from step 2) satisfy the following two conditions, start the engine.
Condition:
|Engine coolant temperature — intake air temperature |
|Engine coolant temperature — fuel temperature |
NOTE:
• If the conditions are not satisfied, turn the ignition switch to OFF and wait until the parameters are satisfied.
• Start AT vehicles in the P range, and MT vehicles in the N position.
4) Idle the engine for 1 minute under the conditions in step 3).
DTC
*
P1602 Control Module Programming Error
Drive Cycle
Item
Item
Item
≤
5°C (41°F)
≤
2°C (36°F)
Item
EN(H4SO)(diag)-46
Condition
—
Condition
—
Condition
—
Condition
—