Subaru 2009 IMPREZA Service Manual page 1274

8. DRIVE CYCLE G
1) Disconnect the battery negative terminal, and reconnect after 10 seconds have passed.
2) Start the engine and warm up engine until coolant temperature is 80°C (176°F).
3) Turn OFF the engine and wait until the coolant temperature drop to 40°C (104°F) or less.
NOTE:
Do not let engine coolant temperature drop to 5°C (41°F) or less.
4) Start the engine and warm up engine until coolant temperature is 80°C (176°F).
5) Turn OFF the engine and wait until the coolant temperature drop to 40°C (104°F) or less.
NOTE:
Do not let engine coolant temperature drop to 5°C (41°F) or less.
6) Start the engine and let it idle.
DTC
*
P0410 Secondary Air Injection System
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P0411 Secondary Air Injection System Incorrect Flow Detected
P0414 Secondary Air Injection System Switching Valve "A" Circuit Shorted
P0417 Secondary Air Injection System Switching Valve "B" Circuit Shorted
P1418 Secondary Air Injection System Control "A" Circuit Shorted
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P2440 Secondary Air Injection System Switching Valve Stuck Open (Bank1)
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P2441 Secondary Air Injection System Switching Valve Stuck Closed (Bank 1)
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P2442 Secondary Air Injection System Switching Valve Stuck Open (Bank2)
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P2443 Secondary Air Injection System Switching Valve Stuck Closed (Bank 2)
9. DRIVE CYCLE H
1) Perform the Clear Memory Mode. <Ref. to EN(H4DOTC)(diag)-54, Clear Memory Mode.>
2) With the ignition switch ON, read the engine coolant temperature, intake air temperature and fuel temper-
ature. <Ref. to EN(H4DOTC)(diag)-35, READ CURRENT DATA FOR ENGINE (NORMAL MODE), OPER-
ATION, 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
2°C (36°F)
Item
EN(H4DOTC)(diag)-53
ENGINE (DIAGNOSTICS)
5°C (41°F)
Condition
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Condition
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