Subaru 2002 IMPREZA Service Manual page 1389

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
Step
1 CHECK ANY OTHER DIAGNOSTIC TROU-
BLE CODE (DTC) ON DISPLAY.
Check
Is any other DTC displayed?
EN(TURBO)-229
ENGINE (DIAGNOSTICS)
Yes
Inspect the rele- Check the radiator
vant DTC using fan, fan motor and
"List of Diagnostic thermostat. <Ref.
Trouble Code to CO-10, Radiator
(DTC)". <Ref. to Main Fan Sys-
EN(TURBO)-75, tem.> and <Ref. to
List of Diagnostic CO-18, Radiator
Trouble Code Sub Fan Sys-
(DTC).> tem.> If thermostat
is stuck, replace
thermostat.
No