Subaru 2009 IMPREZA Service Manual page 1601

Diagnostic Trouble Code (DTC) Detecting Criteria
5. DIAGNOSTIC METHOD
Judge as NG when the cam sensor input position is not within the normal range.
• Abnormality Judgement
If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.
Judgement Value
Malfunction Criteria
Crank angle when the camshaft position
sensor signal comes in
Time Needed for Diagnosis: 20000 ms
Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cy-
cles.
• Normality Judgement
Judge as OK and clear the NG if the continuous time while the following conditions are established is more
than the predetermined time.
Judgement Value
Malfunction Criteria
Crank angle when the camshaft position
sensor signal comes in
Time Needed for Diagnosis: 1000 ms
C: DTC P0018 CRANKSHAFT POSITION - CAMSHAFT POSITION CORRELATION
(BANK2)
1. OUTLINE OF DIAGNOSIS
NOTE:
For the detection standard, refer to DTC P0016. <Ref. to GD(H4DOTC)-12, DTC P0016 CRANKSHAFT PO-
SITION - CAMSHAFT POSITION CORRELATION (BANK1), Diagnostic Trouble Code (DTC) Detecting Cri-
teria.>
D: DTC P0021 INTAKE CAMSHAFT POSITION - TIMING OVER-ADVANCED OR
SYSTEM PERFORMANCE (BANK 2)
1. OUTLINE OF DIAGNOSIS
NOTE:
For the detection standard, refer to DTC P0011. <Ref. to GD(H4DOTC)-10, DTC P0011 INTAKE CAM-
SHAFT POSITION - TIMING OVER-ADVANCED OR SYSTEM PERFORMANCE (BANK 1), Diagnostic
Trouble Code (DTC) Detecting Criteria.>
Threshold Value
< BTDC 17 °CA (Bank 1)
< BTDC 17 °CA (Bank 2)
or
> BTDC 55 °CA (Bank 1)
> BTDC 55 °CA (Bank 2)
Threshold Value
BTDC 17 °CA (Bank 1)
BTDC 17 °CA (Bank 2)
and
BTDC 55 °CA (Bank 1)
BTDC 55 °CA (Bank 2)
GD(H4DOTC)-13
GENERAL DESCRIPTION