Subaru SVX 1992 Manual page 331

2-7 [T9NO]
FUEL INJECTION SYSTEM
N : TROUBLE CODE (34) - EGR SOLENOID VALVE -
DIAGNOSIS :
Abnormal signal is emitted from ECU .
EGR solenoid valve inoperative .
TROUBLE SYMPTOM :
Poor driving performance on low engine speed .
Repair or replace harness connector .
Not OK
`I p I Check harness connector between ECU
and main relay .
OK
Not OK
3 1 Check power supply circuit of main relay .
OK
Replace main relay.
Repair or replace harness connector of main
relay power supply circuit.
5 Check harness connector between ECU
and solenoid valve.
* OK
Replace EGR solenoid valve.
Repair or replace harness connector.
* OK
Not OK
Repair ECU connector terminal .
Check contact of ECU connector terminal .
OK
Replace ECU .
Not OK
Not OK
Not OK
84
4 Check input signal from EGR solenoid
valve .