LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2009 >> Legacy R >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H6DO) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0607 Throttle Control System Circuit Range/Performance >> Diagnostic Method
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Method

Judge as NG when the following conditions are established.

Judgement Value 

MALFUNCTION THRESHOLD VALUE

Malfunction Criteria Threshold Value
(1) Difference of CPU reading value of the throttle position sensor signal ≥ 0.4058 V
(2) Difference of CPU read value of the accelerator pedal position sensor signal ≥ 0.127542424 V
(3) WD pulse from sub CPU No WD pulse occur
(4) Communication between CPU Not possible to communicate
(5) |Throttle position sensor 1 opening angle - (Throttle position sensor 1 opening angle after passing amplifier) 1/4| ≥ 3°
(6) Cruise control cancel signal at brake ON Cruise control cancel signal OFF
(7) Brake switch 1, 2 signal SW 1 and 2 are not matched

Time Needed for Diagnosis: 

  1. 600 ms
  2. 830 ms
  3. 200 ms
  4. 200 ms
  5. 24 ms
  6. 250 ms
  7. 200 ms

Malfunction Indicator Light Illumination:  Illuminates as soon as a malfunction occurs.

Judge as OK and clear the NG if the following conditions are established.

Judgement Value 

MALFUNCTION THRESHOLD VALUE

Malfunction Criteria Threshold Value
(1) Difference of CPU reading value of the throttle position sensor signal < 0.4058 V
(2) Difference of CPU read value of the accelerator pedal position sensor signal < 0.127542424 V
(3) WD pulse from sub CPU WD pulse occur
(4) Communication between CPU Possible to communicate
(5) |Throttle position sensor 1 opening angle - (Throttle position sensor 1 opening angle after passing amplifier) 1/4| < 3°
(6) Cruise control cancel signal at brake ON Cruise control cancel signal ON
(7) Brake switch 1, 2 signal SW 1 and 2 are matched

Time Needed for Diagnosis: 

  1. 2000 ms
  2. 2000 ms
  3. 2000 ms
  4. 2000 ms
  5. 24 ms
  6. 2000 ms
  7. 2000 ms