Subaru Legacy 2005 Service Manual page 2548

Diagnostic Procedure without Diagnostic Trouble Code (DTC)
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Step
11 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 manual mode switch connector and
chassis ground.
Connector & terminal
(B116) No. 5 — Chassis ground:
12 CHECK INPUT SIGNAL FOR TCM.
1) Connect all the connectors.
2) Turn the ignition switch to ON. (engine
OFF)
3) Measure the signal voltage for TCM.
Connector & terminal
(B281) No. 15 (+) — Chassis ground (
13 CHECK INPUT SIGNAL FOR TCM.
1) Shift and hold the select lever to up side.
2) Measure the signal voltage for TCM.
Connector & terminal
(B281) No. 15 (+) — Chassis ground (
14 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. 10 — Chassis ground:
15 CHECK MANUAL MODE SWITCH.
Measure the resistance between manual mode
switch terminals.
Connector & terminal
(B116) No. 10 — No. 9:
16 CHECK MANUAL MODE SWITCH.
1) Shift the select lever to manual mode.
2) Measure the resistance between manual
mode switch terminals.
Connector & terminal
(B116) No. 10 — No. 9:
17 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. 9 — (B281) No. 25:
Check
Is the resistance more than 1
MΩ?
Is the voltage more than 9 V?
−
):
Is the voltage less than 1 V?
−
):
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?
5AT(diag)-130
Yes
Go to step 12. Repair the short
circuit of harness
between manual
mode switch con-
nector and TCM
connector.
Go to step 13. Replace the body
integrated mod-
ule. <Ref. to SL-
44, Body Inte-
grated Module.>
Go to step 14. Replace the body
integrated mod-
ule. <Ref. to SL-
44, Body Inte-
grated Module.>
Go to step 15. Repair the open
circuit of harness
between manual
mode switch and
chassis ground.
Go to step 16. Replace the guide
plate assembly.
Go to step 17. Replace the guide
plate assembly.
Go to step 18. Repair the open
circuit of harness
between manual
mode switch con-
nector and body
integrated module
connector, or poor
contact in connec-
tor.
No