Page 2177 of 2890
B3M0230B
1. CHECK HARNESS AND CONNECTORS BETWEEN
TCM AND DUTY SOLENOID C.
1) Turn ignition switch to OFF.
2) Disconnect connectors from TCM and transmission.
3) Measure resistance of harness connector between
TCM and transmission.
Connector & terminal / Specified resistance:
(B55) No. 3—(B11) No. 11 / 1Ω, or less
B3M0231B
4) Measure resistance of harness connector between
TCM and body to make sure that circuit does not short.
Connector & terminal / Specified resistance:
(B55) No. 3—Body/1MΩ, or more
G3M0109
2. CHECK DUTY SOLENOID C’s GROUND LINE.
Measure resistance between transmission connector
receptacle and transmission case.
Connector & terminal / Specified resistance:
(T4) No. 4—Transmission / 1Ω, or less
G3M0132
3. CHECK DUTY SOLENOID C.
Measure resistance between transmission connector
receptacle’s terminals.
Connector & terminal / Specified resistance:
(T4) No. 11—No.4/9—17Ω
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3-2AUTOMATIC TRANSMISSION AND DIFFERENTIAL
7. Diagnostic Chart with Trouble Code
Page 2178 of 2890
J: TROUBLE CODE 25
—TORQUE CONTROL SIGNAL—
DIAGNOSIS:
Torque control signal is not emitted from TCM.
The signal circuit is open or shorted.
1. Check harness connector between TCM and
ECM.
OK
Not OK
Repair or replace harness connectors.
2. Check output signal for TCM.
Not OK
OK
Repair TCM connector terminal poor contact.
Repair ECM connector terminal poor contact.
Replace ECM.
B2M0598
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3-2AUTOMATIC TRANSMISSION AND DIFFERENTIAL
7. Diagnostic Chart with Trouble Code
Page 2179 of 2890
B3M0478A
1. CHECK HARNESS CONNECTOR BETWEEN TCM
AND ECM.
1) Turn ignition switch to OFF.
2) Disconnect connectors from TCM and ECM.
3) Measure resistance of harness connector between
TCM and ECM.
Connector & terminal / Specified resistance:
(B55) No. 16—(B84) No. 79 / 1Ω, or less
B3M0235B
4) Measure resistance of harness connector between
TCM and body to make sure that circuit does not short.
Connector & terminal / Specified resistance:
(B55) No. 16—Body/1MΩ, or more
B3M0233B
2. CHECK OUTPUT SIGNAL FOR TCM.
1) Connect connectors to TCM and ECM.
2) Turn ignition switch to ON.
3) Measure signal voltage between TCM connector termi-
nal and body.
Connector & terminal / Specified voltage:
(B55) No. 16—Body / 5±1 V
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3-2AUTOMATIC TRANSMISSION AND DIFFERENTIAL
7. Diagnostic Chart with Trouble Code
Page 2180 of 2890
K: TROUBLE CODE 31
—THROTTLE POSITION SENSOR—
DIAGNOSIS:
Input signal circuit of throttle position sensor is open or
shorted.
TROUBLE SYMPTOM:
Shift point too high or too low; engine brake not effected in
“3”range; excessive shift shock; excessive tight corner
“braking”
1. Check harness connector between TCM and
throttle position sensor.
OK
Not OK
Repair or replace harness connectors.
2. Check throttle position sensor.
OK
Not OK
Replace throttle position sensor.
3. Check input signal for TCM.
Not OK
OK
Repair TCM connector terminal poor contact.
Replace TCM.
4. Check power supply to throttle position
sensor.
OK
Not OK
Repair or replace harness connectors.
Repair TCM connector terminal poor contact.
Replace TCM.
B2M0613
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3-2AUTOMATIC TRANSMISSION AND DIFFERENTIAL
7. Diagnostic Chart with Trouble Code
Page 2181 of 2890

OBD0507A
1. CHECK HARNESS CONNECTOR BETWEEN TCM
AND THROTTLE POSITION SENSOR.
1) Turn ignition switch to OFF.
2) Disconnect connector from TCM and throttle position
sensor.
3) Measure resistance of harness connector between
TCM and throttle position sensor.
Connector & terminal / Specified resistance:
(B54) No. 8—(E13) No.2/1Ω, or less
(B56) No. 19—(E13) No.3/1Ω, or less
B3M0382A
4) Measure resistance of harness connector between
TCM and body to make sure that circuit does not short.
Connector & terminal / Specified resistance:
(B54) No. 8—Body/1MΩ, or more
(B56) No. 19—Body/1MΩ, or more
OBD0510A
2. CHECK THROTTLE POSITION SENSOR.
Measure resistance between throttle position sensor termi-
nals.
Terminals / Specified resistance:
(E13) No. 1—No. 2 / 0.3—0.7 kΩ
(Throttle fully closed.)
3—6kΩ
(Throttle fully open.)
(E13) No. 1—No. 3 / 3.5—6.5 kΩ
OBD0503A
3. CHECK INPUT SIGNAL FOR TCM.
1) Connect connectors to TCM and throttle position sen-
sor.
2) Turn ignition switch ON (with engine OFF).
3) Measure signal voltage input emitted from throttle posi-
tion sensor with accelerator pedal fully depressed.
Connector & terminal / Specified voltage:
(B54) No. 8—No.7/
0.5±0.2 V (Throttle fully closed.)
4.6±0.3 V (Throttle fully open.)
OBD0145A
Using Subaru select monitor:
(1) Connect connectors to TCM and throttle position
sensor.
(2) Turn ignition switch to OFF.
(3) Connect the Subaru select monitor to data link con-
nector.
(4) Turn ignition switch to ON and Subaru select moni-
tor switch to ON.
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3-2AUTOMATIC TRANSMISSION AND DIFFERENTIAL
7. Diagnostic Chart with Trouble Code
Page 2182 of 2890

B3M0383
(5) Designate mode using function key.
(6) Read data on Subaru select monitor.
Function mode: F09
SPECIFIED DATA:
0.5±0.2 V (Throttle fully closed.)
4.6±0.3 V (Throttle fully open.)
[Must be changed correspondingly with accelera-
tor pedal operation (from“released”to
“depressed”position).]
B3M0238A
4. CHECK POWER SUPPLY TO THROTTLE POSITION
SENSOR.
1) Turn ignition switch to OFF.
2) Disconnect connector from throttle position sensor.
3) Turn ignition switch to ON.
4) Measure power supply voltage to throttle position sen-
sor.
Connector & terminal / Specified voltage:
(E13) No. 1—Body / 5.12±0.1 V
OBD0145A
Using Subaru select monitor:
(1) Turn ignition switch to OFF.
(2) Connect the Subaru select monitor to data link con-
nector.
(3) Turn ignition switch to ON and Subaru select moni-
tor switch to ON.
OBD0506
(4) Designate mode using function key.
(5) Read data on Subaru select monitor.
Function mode: F14
SPECIFIED DATA:
5.12±0.1 V
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3-2AUTOMATIC TRANSMISSION AND DIFFERENTIAL
7. Diagnostic Chart with Trouble Code
Page 2183 of 2890
L: TROUBLE CODE 32
—VEHICLE SPEED SENSOR 1—
DIAGNOSIS:
Input signal circuit of TCM is open or shorted.
TROUBLE SYMPTOM:
No locking-up or excessive tight corner“braking”
1. Check harness connector between TCM and
vehicle speed sensor 1.
OK
Not OK
Repair or replace harness connectors.
2. Check vehicle speed sensor 1.
OK
Not OK
Replace vehicle speed sensor 1.
3. Check input signal for TCM.
OK
Not OK
Repair TCM connector terminal poor contact.
Replace TCM.
When trouble code 32 reappears.
Mechanical trouble between vehicle speed sensor 1
and sprocket
B3M0412
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3-2AUTOMATIC TRANSMISSION AND DIFFERENTIAL
7. Diagnostic Chart with Trouble Code
Page 2184 of 2890

OBD0400A
1. CHECK HARNESS CONNECTOR BETWEEN TCM
AND VEHICLE SPEED SENSOR 1.
1) Turn ignition switch to OFF.
2) Disconnect connectors from TCM and transmission.
3) Measure resistance of harness connector between
TCM and transmission connector.
Connector & terminal / Specified resistance:
(B54) No. 12—(B11) No. 16 / 1Ω, or less
(B54) No. 7—(B11)No.9/1Ω, or less
OBD0401A
4) Measure resistance of harness connector between
TCM and body to make sure that circuit does not short.
Connector & terminal / Specified resistance:
(B54) No. 7—Body/1MΩ, or more
(B54) No. 12—Body/1MΩ, or more
G3M0140
2. CHECK VEHICLE SPEED SENSOR 1.
1) Measure resistance between transmission connector
receptacle’s terminals.
Connector & terminal / Specified resistance:
(T4) No. 16—No. 9 / 450—720Ω
OBD0403A
2) Measure resistance of harness connector between
transmission connector and transmission case to make
sure that circuit does not short.
Connector & terminal / Specified resistance:
(T4) No. 16—Transmission / 1 MΩ, or more
(T4) No. 9—Transmission / 1 MΩ, or more
44
3-2AUTOMATIC TRANSMISSION AND DIFFERENTIAL
7. Diagnostic Chart with Trouble Code