Subaru SVX 1992 Manual page 320

FUEL INJECTION SYSTEM [T91o] 2-7
I : TROUBLE CODE (28) - KNOCK SENSOR 2 (LH) -
DIAGNOSIS : TROUBLE SYMPTOM :
Abnormal signal is entered from knock sensor 2 . a Poor driving performance .
OK Not OK
Check contact of ECU connector terminal .
* OK
Replace ECU .
Repair ECU connector and terminal .
Not OK
[ Replace knock sensor 2 .
2 Check knock sensor 2 .
OK
Repair or replace harness connector between
ECU and knock sensor 2 .
Fig. 75
73