Subaru IMPREZA 2002 Service Manual page 638

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ENGINE (DIAGNOSTICS)
CQ:DTC P I 594
-
AUTOMATIC TRANSMISSION DIAGNOSIS INPUT SIGNAL
CIRCUIT MALFUNCTION
-
DTC DETECTING CONDITION:
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(S0HC)-43, OP-
ERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(S0HC)-40, OPERATION, Inspec-
tion Mode.>.
WIRING DIAGRAM:
Two consecutive driving cycles with fault
Check Yes
Is the A T shift control function- Go to step 2.
ing properly?
71
7
No
Replace the TCM.
<Ref. to AT-45,
Transmission Con-
trol Module
(TCM).>
Step
1
CHECK DRIVING CONDITION.
1)Start and warm-up the engine until the radia-
tor fan makes one complete rotation.
2)Drive the vehicle.
E N l l O i
EN(S0HC)-314