Subaru IMPREZA GD 2007 Series Manual page 2263

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Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
CP:DTC P1160 RETURN SPRING FAILURE
1. OUTLINE OF DIAGNOSIS
Judge as NG when the valve is opened more than the default opening angle, but does not move to the close
direction with the motor power stopped.
2. COMPONENT DESCRIPTION
(3)
(1) Opener spring
(2) Return spring
(3) Intermediate stopper
3. ENABLE CONDITION
Secondary Parameters
Motor continuity
4. GENERAL DRIVING CYCLE
• Ignition switch ON → OFF
• Ignition switch OFF → ON (Only after clearing memory)
5. DIAGNOSTIC METHOD
Abnormality Judgment
Judge as NG when the continuous time of meeting the malfunction criteria below becomes 0.5 seconds or
more.
Judgment Value
Malfunction Criteria
Opening variation after continuity is set
to OFF
Time Needed for Diagnosis: 600 milliseconds
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
6. DTC CLEAR CONDITION
• When the OK idling cycle is completed 40 times in a row
• When "Clear Memory" is performed (Only with engine stopped)
(1)
(2)
(4)
(4) Full closed stopper
(5) Throttle valve
(6) Gear
Enable Conditions
OFF
Threshold Value
< 2°
GD(STI)-196
(8)
S S
(7)
(6)
(5)
(7) DC motor
(8) Main and sub throttle sensor
EN-01866