Subaru SVX 1992 Manual page 315

2-7 [T9G0]
FUEL INJECTION SYSTEM
G : TROUBLE CODE (23) - AIR FLOW SENSOR -
DIAGNOSIS :
Abnormal signal from air flow sensor .
1 1 Check input signal for ECU .
OK
TROUBLE SYMPTOM :
Engine stall
Erroneous idling
Poor driving performance
Check contact of ECU connector terminal .
OK
Replace ECU .
Repair ECU connector and terminal .
Not OK
Not OK
2 ~ Check harness connector between ECU Repair or replace harness connector .
and air flow sensor.
~r OK
Replace air flow sensor .
Not OK
a : 859 b : B611
8]
Air flow
sensor
C2-354
Fig . 71
68