Operation CHARM
: Car repair manuals for everyone.
Home
>>
Subaru
>>
2006
>>
Impreza WRX STI F4-2.5L DOHC Turbo
>>
Repair and Diagnosis
>>
A L L Diagnostic Trouble Codes ( DTC )
>>
Testing and Inspection
>>
P Code Charts
>>
P1721
P1721
DTC P1721 DCCD ENGINE RPM SIGNAL SYSTEM CIRCUIT
DIAGNOSIS:
Open or short in DCCD engine speed output signal circuit
TROUBLE SYMPTOM:
The tendency of oversteer occurred when high speed cornering.
WIRING DIAGRAM:
Step 1 - Step 7:
Step 8: