Subaru Legacy 2005 Service Manual page 2297

Diagnostic Procedure without Diagnostic Trouble Code (DTC)
Step
1 CHECK SPORT SHIFT SWITCH.
1) Shift the select lever to manual mode.
2) Shift and hold the select lever to up side.
3) Read the Up Switch data of TCM using
Subaru Select Monitor. <Ref. to 4AT(diag)-16,
READ CURRENT DATA, OPERATION, Subaru
Select Monitor.>
2 CHECK MANUAL MODE SWITCH.
1) Shift and hold the select lever to down side.
2) Read the Down Switch data of TCM using
Subaru Select Monitor. <Ref. to 4AT(diag)-16,
READ CURRENT DATA, OPERATION, Subaru
Select Monitor.>
3 CHECK BODY INTEGRATED MODULE.
1) Turn the ignition switch to ON.
2) Shift and hold the select lever to up side.
3) Read the TIP UP SW data of body inte-
grated module using Subaru Select Monitor.
<Ref. to LAN(diag)-14, OPERATION, Subaru
Select Monitor.>
4 CHECK BODY INTEGRATED MODULE.
Check DTC of body integrated module. <Ref.
to LAN(diag)-14, OPERATION, Subaru Select
Monitor.>
5 CHECK MANUAL MODE SWITCH GROUND
CIRCUIT.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from manual
mode switch.
3) Measure the resistance of harness
between manual mode switch connector and
chassis ground.
Connector & terminal
(B116) No. 6 — Chassis ground:
6 CHECK MANUAL MODE SWITCH.
Measure the resistance between manual mode
switch terminals.
Connector & terminal
(B116) No. 6 — No. 5:
7 CHECK MANUAL MODE SWITCH.
1) Shift and hold the select lever to up side.
2) Measure the resistance between manual
mode switch terminals.
Connector & terminal
(B116) No. 6 — No. 5:
8 CHECK HARNESS CONNECTOR BETWEEN
BODY INTEGRATED MODULE AND MANU-
AL MODE SWITCH.
1) Disconnect the connector from body inte-
grated module.
2) Measure the resistance of harness
between body integrated module connector
and manual mode switch connector.
Connector & terminal
(B116) No. 5 — (B281) No. 15:
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Check
Is ON displayed?
Is ON displayed?
Is ON displayed?
Is DTC of CAN communication
displayed?
Is the resistance less than 1
Ω?
Is the resistance more than 1
MΩ?
Is the resistance less than 1
Ω?
Is the resistance less than 1
Ω?
4AT(diag)-125
Yes
Go to step 2. Go to step 3.
Go to "CHECK Go to step 12.
SPORT INDICA-
TOR" procedures.
<Ref. to 4AT(diag)-
128, CHECK
SPORT INDICA-
TOR., Diagnostic
Procedure without
Diagnostic Trou-
ble Code (DTC).>
Go to step 4. Go to step 5.
Perform the diag- Check the TCM.
nosis according to
DTC.
Go to step 6. Repair the open
circuit of harness
between manual
mode switch and
chassis ground.
Go to step 7. Replace the guide
plate assembly.
Go to step 8. Replace the guide
plate assembly.
Go to step 9. Repair the open
circuit of harness
between manual
mode switch con-
nector and TCM
connector, or poor
contact in connec-
tor.
No