Subaru LEGACY 2006 Manual page 3643

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Diagnostic Procedure without Diagnostic Trouble Code (DTC)
Step
11 CHECK HARNESS BETWEEN BODY INTE-
GRATED UNIT AND MANUAL MODE
SWITCH.
1) Disconnect the connector from body inte-
grated unit.
2) Measure the resistance of harness
between manual mode switch connector and
chassis ground.
Connector & terminal
(B116) No. 7 — Chassis ground:
12 CHECK INPUT SIGNAL FROM TCM.
1) Connect all connectors.
2) Turn the ignition switch to ON. (engine
OFF)
3) Measure the voltage of the signal to TCM.
Connector & terminal
(B281) No. 15 (+) — Chassis ground (–):
13 CHECK INPUT SIGNAL FROM TCM.
1) Shift and hold the select lever to up side.
2) Measure the voltage of the signal to TCM.
Connector & terminal
(B281) No. 15 (+) — Chassis ground (–):
14 CHECK GROUND CIRCUIT OF MANUAL
MODE SWITCH.
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. 11:
16 CHECK MANUAL MODE SWITCH.
1) Move the select lever to manual mode.
2) Measure the resistance between manual
mode switch terminals.
Connector & terminal
(B116) No. 10 — No. 11:
17 CHECK HARNESS BETWEEN BODY INTE-
GRATED UNIT AND MANUAL MODE
SWITCH.
1) Disconnect the connector from body inte-
grated unit.
2) Measure the resistance of harness
between body integrated unit connector and
manual mode switch connector.
Connector & terminal
(B116) No. 11 — (B281) No. 25:
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
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)-127
Yes No
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 unit.
<Ref. to SL-55,
Body Integrated
Unit.>
Go to step 14.
Replace the body
integrated unit.
<Ref. to SL-55,
Body Integrated
Unit.>
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 the man-
ual mode switch
connector and
body integrated
unit connector, or
poor contact of
connector.