Subaru 2002 IMPREZA Service Manual page 1422

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ENGINE (DIAGNOSTICS)
BS:DTC P0864 — AUTOMATIC TRANSMISSION DIAGNOSIS INPUT SIGNAL
CIRCUIT MALFUNCTION —
• DTC DETECTING CONDITION:
• Two consecutive driving cycles with fault
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(TURBO)-45, OP-
ERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(TURBO)-42, Inspection Mode.>.
• WIRING DIAGRAM:
B55
1 2 3 4 5 6 8
7
10 11 12 13 14 15 16 17 18
19 20 21 22 23 24
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.
B135
9 7 6 5 4 3 2
15 14 13 12 11 10 9
22 21 20 19 18 17 16
EN(TURBO)-262
B56 TCM
B135 ECM
1
8
Check
Is the AT shift control function-
ing properly?
Yes
Go to step 2. Replace the TCM.
<Ref. to AT-46,
Transmission Con-
trol Module
(TCM).>
B2M4371
No