4AT(diag)-80
Diagnostic Procedure without Diagnostic Trouble Code (DTC)
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
17
CHECK SPORT SHIFT INDICATOR.
1) Set the select lever to – side.
2) Read the SPORT shift indicator display in
combination meter.
Is “1” displayed?
Normal. Finish the
diagnosis.
Go to step
18
.
18
CHECK TCM.
1) Shift and hold the select lever to – side.
2) Read the “Down Switch” data using Subaru
Select Monitor.
Is “ON” displayed?
Go to step
23
.
Go to step
19
.
19
CHECK HARNESS CONNECTOR BETWEEN
TCM AND – SWITCH.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from TCM and –
switch.
3) Measure the resistance of harness between
TCM and – switch.
Connector & terminal
(B54) No. 18 — (B117) No. 9:
Is the resistance less than 1
:
? Go to step
20
.
Repair the open
circuit of harness
between TCM and
– switch.
20
CHECK – SWITCH.
1) Shift and hold the select lever to – side.
2) Measure the resistance between – switch
terminals.
Connector & terminal
(B117) No. 9 — No. 10:
Is the resistance less than 1
:
? Go to step
21
.
Replace the guide
plate assembly.
21
CHECK HARNESS CONNECTOR BETWEEN
– SWITCH AND CHASSIS GROUND.
Measure the resistance of harness between –
switch and chassis ground.
Connector & terminal
(B117) No. 10 — Chassis ground:
Is the resistance less than 1
:
? Go to step
22
.
Repair the open
circuit of harness
between – switch
and chassis
ground.
22
CHECK POOR CONTACT.
Check poor contact of – switch circuit.
Is there poor contact of – switch
circuit?
Repair the poor
contact.
Replace the TCM.
23
CHECK TCM.
1) Set the select lever to the center position.
(Tilt the select lever to SPORT mode, and
release the hold.)
2) Read the “Down Switch” data using Subaru
Select Monitor.
Is “OFF” displayed?
Perform the self-
diagnosis of com-
bination meter.
Go to step
24
.
24
CHECK HARNESS CONNECTOR BETWEEN
TCM AND – SWITCH.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from TCM and –
switch.
3) Measure the resistance of harness between
TCM and – switch.
Connector & terminal
(B54) No. 18 — Chassis ground:
Is the resistance 1 M
:
or
more?
Go to step
25
.
Repair the short
circuit of harness
between TCM and
– switch.
25
CHECK – SWITCH.
Measure the resistance between – switch termi-
nals.
Connector & terminal
(B117) No. 9 — No. 10:
Is the resistance 1 M
:
or
more?
Replace the TCM. Replace the guide
plate assembly.
Step
Check
Yes
No
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Page 18: ...PC 4 Precaution PRECAUTION...
Page 21: ...NT 4 Note NOTE Lift Rigid rack A Attachment NT 00241 A A Attachment NT 00242 A...
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Page 725: ...EN H4SO diag 308 General Diagnostic Table ENGINE DIAGNOSTICS...
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Page 1181: ...EX H4DOTC 16 Muffler EXHAUST...
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Page 1818: ...GD H4DOTC 230 Diagnostic Trouble Code DTC Detecting Criteria GENERAL DESCRIPTION...
Page 2154: ...5MT 82 General Diagnostic Table MANUAL TRANSMISSION AND DIFFERENTIAL...
Page 2227: ...RS 20 General Diagnostic Table REAR SUSPENSION...
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Page 2615: ...BR 48 General Diagnostic Table BRAKE...
Page 2624: ...PB 10 General Diagnostic Table PARKING BRAKE...
Page 2681: ...PS 58 General Diagnostic Table POWER ASSISTED SYSTEM POWER STEERING...
Page 2730: ...AC 50 General Diagnostic Table HVAC SYSTEM HEATER VENTILATOR AND A C...
Page 2961: ...SB 22 Rear Seat Belt SEAT BELT SYSTEM...
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Page 3240: ...EI 74 Ornament EXTERIOR INTERIOR TRIM...
Page 3286: ...CC 12 Neutral Position Switch CRUISE CONTROL SYSTEM...
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Page 3421: ...LAN diag 88 General Diagnostic Table LAN SYSTEM DIAGNOSTICS...
Page 3486: ...WI 67 Remote Engine Start System WIRING SYSTEM...