Subaru LEGACY 2004 Service Manual page 860

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
Step
8 CHECK ACCELERATOR POSITION SEN-
SOR.
Measure the resistance of accelerator position
sensor.
Terminals
No. 5 — No. 4:
Check the measured value is within the specifi-
cation without depressing the accelerator
pedal.
9 CHECK ACCELERATOR POSITION SEN-
SOR.
Measure the resistance of accelerator position
sensor.
Terminals
No. 5 — No. 4:
Check the measured value is within the specifi-
cation with the accelerator pedal depressed.
Check
Is the resistance 0.2 — 1.0
kΩ?
Is the resistance 0.5 — 2.5
kΩ?
EN(H4SO 2.5)(diag)-244
Yes
Go to step 9. Replace the accel-
erator position
sensor.
Repair the poor Replace the accel-
contact in ECM erator position
connector. sensor.
Replace the ECM
if defective. <Ref.
to FU(H4SO 2.5)-
36, Engine Con-
trol Module
(ECM).>
No