Subaru LEGACY 2004 Service Manual page 769

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
M: DTC B0212 CAN-HS TCM DATA ABNORMAL
DTC DETECTING CONDITION:
TCM error, or harness between the main harness splice and TCM is open or short, the connector is not con-
nected securely and the terminal has poor caulking.
TROUBLE SYMPTOM:
• SPORT indicator light blinks.
• "Er HC" or "Er tC" is displayed in odo/trip meter.
WIRING DIAGRAM:
B:
B280
1 2 3 4 5
8 9 10 11 12 13 14 15 16 17 18
21 22 23 24 25 26 27
Step
1 CHECK TCM.
Read the DTC of TCM using Subaru Select
Monitor. <Ref. to 4AT(diag)-17, READ DIAG-
NOSTIC TROUBLE CODE (DTC), OPERA-
TION, Subaru Select Monitor.> <Ref. to
5AT(diag)-16, READ DIAGNOSTIC TROU-
BLE CODE (DTC), OPERATION, Subaru
Select Monitor.>
ECM
5AT
4AT
A: B54
TCM
5AT A: B54
6 7
1 2 3 4 5 6
19 20
10 11 12 13 14 15
28 29 30
19 20 21
LAN(diag)-53
B: B280
BODY INTEGRATED
UNIT
4AT A: B54
7 8 9 1 2 3 4 5
16 17 18 8 9 10 11 12 13 14 15 16
22 23 24 17 18 19 20 21
Check
Is DTC other than "CAN com-
munication" displayed?
LAN SYSTEM (DIAGNOSTICS)
ABSCM & H/U
VDCCM & H/U
6 7
22 23 24
Yes
Perform the diag- Replace the TCM.
nosis according to <Ref. to 4AT-65,
DTC. Transmission Con-
trol Module
(TCM).> <Ref. to
5AT-61, Transmis-
sion Control Mod-
ule (TCM).>
LAN00029
No