LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2007 >> B9 Tribeca Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H6DO) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0691 Fan 1 Control Circuit Low >> Diagnostic Method >> Abnormality Judgment
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Abnormality Judgment

Judge as NG when the continuous time of completing the malfunction criteria below becomes more than 2.5 seconds.

Judgment Value 

MALFUNCTION CRITERIA AND THRESHOLD VALUE REFERENCE

Malfunction Criteria Threshold Value
Duty ratio = 100%
Terminal voltage level Low level
Duty ratio 5% ←→ 95%
Terminal voltage level Low level

Time Needed for Diagnosis:  2.5 seconds

Malfunction Indicator Light Illumination:  Illuminates when malfunction occurs in 2 continuous driving cycles.