Subaru 2009 IMPREZA, Service Manual

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EN(H4DOTC)(diag)-53
Drive Cycle
ENGINE (DIAGNOSTICS)
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.
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 |
d
5°C (41°F)
|Engine coolant temperature — Fuel temperature |
d
2°C (36°F)
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 Item Condition
*
P0410 Secondary Air Injection System —
*
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 —
*
P2440 Secondary Air Injection System Switching Valve Stuck Open (Bank1) —
*
P2441 Secondary Air Injection System Switching Valve Stuck Closed (Bank 1) —
*
P2442 Secondary Air Injection System Switching Valve Stuck Open (Bank2) —
*
P2443 Secondary Air Injection System Switching Valve Stuck Closed (Bank 2) —
DTC Item Condition
*
P1602 Control Module Programming Error —