Subaru Legacy 2005 Service Manual page 1912

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
CA:DTC P0691 FAN 1 CONTROL CIRCUIT LOW
DTC DETECTING CONDITION:
Detects when malfunction occurs in 2 continuous driving cycles.
TROUBLE SYMPTOM:
• Radiator fan does not operate properly.
• Overheating
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(H6DO)(diag)-41,
OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H6DO)(diag)-34, PROCEDURE,
Inspection Mode.>.
Step
1 CHECK ANY OTHER DTC ON DISPLAY.
CB:DTC P0692 FAN 1 CONTROL CIRCUIT HIGH
DTC DETECTING CONDITION:
Detects when malfunction occurs in 2 continuous driving cycles.
TROUBLE SYMPTOM:
• Radiator fan does not operate properly.
• Overheating
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(H6DO)(diag)-41,
OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H6DO)(diag)-34, PROCEDURE,
Inspection Mode.>.
Step
1 CHECK ANY OTHER DTC ON DISPLAY.
CC:DTC P0700 TRANSMISSION CONTROL SYSTEM (MIL REQUEST)
NOTE:
For the diagnostic procedure, refer to AT section. <Ref. to 4AT(diag)-2, Basic Diagnostic Procedure.>
Check
Is DTC P0691 displayed?
Check
Is DTC 692 displayed?
EN(H6DO)(diag)-216
Yes
Check the radiator Temporary poor
fan system. <Ref. contact occurs.
to CO(H6DO)-8,
Radiator Fan Sys-
tem.>
Yes
Check the radiator Temporary poor
fan system. <Ref. contact occurs.
to CO(H6DO)-8,
Radiator Fan Sys-
tem.>
No
No