Subaru Legacy 2004 Service Manual page 2599

Diagnostic Procedure without Diagnostic Trouble Code (DTC)
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Step
11 CHECK HARNESS CONNECTOR BETWEEN
BODY INTEGRATED UNIT AND SPORT
SHIFT SWITCH.
1) Disconnect the connector from body inte-
grated unit.
2) Measure the resistance of harness
between SPORT shift 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 SPORT SHIFT SWITCH GROUND
CIRCUIT.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from SPORT
shift switch.
3) Measure the resistance of harness
between SPORT shift switch connector and
chassis ground.
Connector & terminal
(B116) No. 10 — Chassis ground:
15 CHECK SPORT SHIFT SWITCH.
Measure the resistance between the SPORT
shift switch terminals.
Connector & terminal
(B116) No. 10 — No. 9:
16 CHECK SPORT SHIFT SWITCH.
1) Shift the select lever to manual mode.
2) Measure the resistance between the
SPORT shift switch terminals.
Connector & terminal
(B116) No. 10 — No. 9:
17 CHECK HARNESS CONNECTOR BETWEEN
BODY INTEGRATED UNIT AND SPORT
SHIFT SWITCH.
1) Disconnect the connector from body inte-
grated unit.
2) Measure the resistance of harness
between the body integrated unit and SPORT
shift switch connector.
Connector & terminal
(B116) No. 9 — (B281) No. 25:
Check
Is the resistance more than 1
M"?
Is the voltage more than 9 V?
$
):
Is the voltage less than 1 V?
$
):
Is the resistance less than 1
"?
Is the resistance more than 1
M"?
Is the resistance less than 1
"?
Is the resistance less than 1
"?
5AT(diag)-140
Yes
Go to step 12. Repair the short
circuit in harness
between SPORT
shift switch con-
nector and TCM
connector.
Go to step 13. Replace the body
integrated unit.
<Ref. to SL-46,
Body Integrated
Unit.>
Go to step 26. Replace the body
integrated unit.
<Ref. to SL-46,
Body Integrated
Unit.>
Go to step 15. Repair the open
circuit in harness
between SPORT
shift 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 in harness
between SPORT
shift switch con-
nector and body
integrated unit
connector, or poor
contact in cou-
pling connector.
No