1996 SUBARU LEGACY warning light

OBD0607A
4. CHECK OUTPUT SIGNAL EMITTED FROM TCM.
1) Connect connectors to TCM and transmission.
2) Lift-up the vehicle or set the vehicle on free roller.
CAUTION:
On AWD models, raise all wheels off floor.
3) Start and warm-up the engine and transmission.
4) Push the TCS OFF switch to ON. (With TCS models)
5) Move selector lever to“D”and slowly increase vehicle
speed to 75 km/h (47 MPH).
6) Measure voltage between TCM connector terminals.
Connector & terminal / Specified voltage:
(B55) No. 5—No. 10 / 8.5 V, or more (when
wheels are locked-up.)
OBD0607A
7) Return the engine to idling speed and move selector
lever to“N”.
8) Measure voltage between TCM connector terminals.
Connector & terminal / Specified voltage:
(B55) No. 5—No. 10 / 0.5 V, or less
NOTE:
The speed difference between front and rear wheels may
light either the ABS or the ABS/TCS warning light, but this
indicates no malfunctions. When AT control diagnosis is
finished, perform the ABS or the ABS/TCS memory clear-
ance procedure of self-diagnosis system.

OBD0145A

Using Subaru select monitor:
(1) Connect connectors to TCM and transmission.
(2) Lift-up the vehicle or set the vehicle on free roller.
CAUTION:
On AWD models, raise all wheels off floor.
(3) Turn ignition switch to OFF.
(4) Connect the Subaru select monitor to data link con-
nector.
(5) 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

OBD0417
(6) Start and warm-up the engine and transmission.
(7) Push the TCS OFF switch to ON. (With TCS mod-
els)
(8) Designate mode using function key.
Function mode: F12
(9) Move selector lever to“D”and slowly increase
vehicle speed to 75 km/h (47 MPH).
(10) Read data on Subaru select monitor.
SPECIFIED DATA:

95% (Wheel locked-up)

5% (Released)
NOTE:
The speed difference between front and rear wheels may
light either the ABS or the ABS/TCS warning light, but this
indicates no malfunctions. When AT control diagnosis is
finished, perform the ABS or the ABS/TCS memory clear-
ance procedure of self-diagnosis system.

22
3-2AUTOMATIC TRANSMISSION AND DIFFERENTIAL
7. Diagnostic Chart with Trouble Code

OBD0455A
4) Measure resistance of harness connector between
TCM and body to make sure that circuit does not short.
Connector & terminal / Specified resistance:
(B55) No. 15—Body/1MΩ, or more
(B55) No. 10—Body/1MΩ, or more
G3M0109
2. CHECK SHIFT SOLENOID 3’s GROUND LINE.
Measure resistance between transmission connector
receptacle and transmission case.
Connector & terminal / Specified resistance:
(T4) No. 4—Transmission / 1Ω, or less
G3M0117
3. CHECK SHIFT SOLENOID 3.
Measure resistance between transmission connector
receptacle’s terminals.
Connector & terminal / Specified resistance:
(T4) No. 1—No.4/20—32Ω
B3M0381A
4. CHECK OUTPUT SIGNAL EMITTED FROM TCM.
1) Connect connectors to TCM and transmission.
2) Lift-up or raise the vehicle and support with safety
stands.
CAUTION:
On AWD models, raise all wheels off ground.
3) Start and warm-up the engine and transmission.
4) Idle the engine.
5) Move selector lever to“D”.
6) Measure voltage between TCM connector terminals.
Connector & terminal / Specified voltage:
(B55) No. 15—No. 10 / 9 V, or more
NOTE:
The speed difference between front and rear wheels may
light either the ABS or the ABS/TCS warning light, but this
indicates no malfunctions. When AT control diagnosis is
finished, perform the ABS or the ABS/TCS memory clear-
ance procedure of self-diagnosis system.

24
3-2AUTOMATIC TRANSMISSION AND DIFFERENTIAL
7. Diagnostic Chart with Trouble Code

OBD0447A
4) Measure resistance of harness connector between
TCM and body to make sure that circuit does not short.
Connector & terminal / Specified resistance:
(B55) No. 13—Body/1MΩ, or more
(B55) No. 10—Body/1MΩ, or more
G3M0109
2. CHECK SHIFT SOLENOID 2’s GROUND LINE.
Measure resistance between transmission connector
receptacle and transmission case.
Connector & terminal / Specified resistance:
(T4) No. 4—Transmission / 1Ω, or less
G3M0120
3. CHECK SHIFT SOLENOID 2.
Measure resistance between transmission connector
receptacle’s terminals.
Connector & terminal / Specified resistance:
(T4) No. 2—No.4/20—32Ω
OBD0445A
4. CHECK OUTPUT SIGNAL EMITTED FROM TCM.
1) Connect connectors to TCM and transmission.
2) Lift-up or raise the vehicle and support with safety
stands.
CAUTION:
On AWD models, raise all wheels off ground.
3) Start and warm-up the engine and transmission.
4) Idle the engine.
5) Move selector lever to“D”.
6) Measure voltage between TCM connector terminals.
Connector & terminal / Specified voltage:
(B55) No. 13—No. 10 / 9 V, or more
NOTE:
The speed difference between front and rear wheels may
light either the ABS or the ABS/TCS warning light, but this
indicates no malfunctions. When AT control diagnosis is
finished, perform the ABS or the ABS/TCS memory clear-
ance procedure of self-diagnosis system.

26
3-2AUTOMATIC TRANSMISSION AND DIFFERENTIAL
7. Diagnostic Chart with Trouble Code

OBD0439A
4) Measure resistance of harness connector between
TCM and body to make sure that circuit does not short.
Connector & terminal / Specified resistance:
(B55) No. 14—Body/1MΩ, or more
(B55) No. 10—Body/1MΩ, or more
G3M0109
2. CHECK SHIFT SOLENOID 1’s GROUND LINE.
Measure resistance between transmission connector
receptacle and transmission case.
Connector & terminal / Specified resistance:
(T4) No. 4—Transmission / 1Ω, or less
G3M0123
3. CHECK SHIFT SOLENOID 1.
Measure resistance between transmission connector
receptacle’s terminals.
Connector & terminal / Specified resistance:
(T4) No. 3—No.4/20—32Ω
OBD0437A
4. CHECK OUTPUT SIGNAL EMITTED FROM TCM.
1) Connect connectors to TCM and transmission.
2) Lift-up or raise the vehicle and support with safety
stands.
CAUTION:
On AWD models, raise all wheels off ground.
3) Start and warm-up the engine and transmission.
4) Idle the engine.
5) Move selector lever to“D”.
6) Measure voltage between TCM connector terminals.
Connector & terminal / Specified voltage:
(B55) No. 14—No. 10 / 9 V, or more
NOTE:
The speed difference between front and rear wheels may
light either the ABS or the ABS/TCS warning light, but this
indicates no malfunctions. When AT control diagnosis is
finished, perform the ABS or the ABS/TCS memory clear-
ance procedure of self-diagnosis system.

28
3-2AUTOMATIC TRANSMISSION AND DIFFERENTIAL
7. Diagnostic Chart with Trouble Code

OBD0396A
3. CHECK INPUT SIGNAL FOR TCM.
1) Connect connectors to TCM and transmission.
2) Lift-up or raise the vehicle and place safety stands.
CAUTION:
On AWD models, raise all wheels off floor.
3) Push the TCS OFF switch to ON. (With TCS models)
4) Start the engine and set vehicle in 20 km/h (12 MPH)
condition.
5) Measure voltage between TCM connector terminals.
Connector & terminal / Specified voltage:
(B54) No. 12—No. 7 / AC 1 V, or more
NOTE:
The speed difference between front and rear wheels may
light either the ABS or the ABS/TCS warning light, but this
indicates no malfunctions. When AT control diagnosis is
finished, perform the ABS or the ABS/TCS memory clear-
ance procedure of self-diagnosis system.

OBD0145A
B3M0413
OBD0399

Using Subaru select monitor:
(1) Connect connectors to TCM and transmission.
(2) Turn ignition switch to OFF.
(3) Connect the Subaru select monitor to data link con-
nector.
(4) Lift-up or raise the vehicle and place safety stands.
CAUTION:
On AWD models, raise all wheels off floor.
(5) Turn ignition switch to ON and Subaru select moni-
tor switch to ON.
(6) Push the TCS OFF switch to ON. (With TCS mod-
els)
(7) Start the engine and operate at constant speed.
(8) Read data on Subaru select monitor.
(9) Designate mode using function key.
Function mode: F02 or F03
SPECIFIED DATA:
F02: Compare speedometer with monitor indica-
tions.
F03: Compare speedometer with monitor indica-
tions.

F02: Vehicle speed is indicated in“m/h”.

F03: Vehicle speed is indicated in“km/h”.
NOTE:
The speed difference between front and rear wheels may
light either the ABS or the ABS/TCS warning light, but this
indicates no malfunctions. When AT control diagnosis is
finished, perform the ABS or the ABS/TCS memory clear-
ance procedure of self-diagnosis system.

45
3-2AUTOMATIC TRANSMISSION AND DIFFERENTIAL
7. Diagnostic Chart with Trouble Code

B3M0243B

Using oscilloscope:
(1) Connect connectors to TCM and transmission.
(2) Lift-up the vehicle and place safety stands.
WARNING:
On AWD models, make sure that all wheels are raised
off floor.
(3) Set oscilloscope to TCM connector terminals.
Connector & terminals:
Positive probe; (B54) No. 12
Earth lead; (B54) No. 7
B3M0244A
(4) Push the TCS OFF switch to ON. (With TCS mod-
els)
(5) Start the engine, and set vehicle in 20 km/h (12
MPH) condition.
(6) Measure signal voltage indicated on oscilloscope.
Specified voltage: AC 1 V, or more
NOTE:
The speed difference between front and rear wheels may
light either the ABS or the ABS/TCS warning light, but this
indicates no malfunctions. When AT control diagnosis is
finished, perform the ABS or the ABS/TCS memory clear-
ance procedure of self-diagnosis system.

46
3-2AUTOMATIC TRANSMISSION AND DIFFERENTIAL
7. Diagnostic Chart with Trouble Code

B3M0289
3. CHECK VEHICLE SPEED SENSOR 2.
1) Install combination meter.
2) Connect connector to TCM.
3) Lift-up the vehicle and place safety stand.
CAUTION:
On AWD models, raise all wheels off floor.
4) Disconnect connector from vehicle speed sensor 2.
5) Measure resistance between terminals of vehicle speed
sensor 2.
Terminals / Specified resistance:
(B17) No. 1—No. 2 / 350—450Ω
No. 1—Body/1MΩ, or more
No. 2—Body/1MΩ, or more
B3M0256
6) Push the TCS OFF switch to ON. (With TCS models)
7) Start the engine and set vehicle in 20 km/h (12 MPH)
condition.
8) Measure output signal of vehicle speed sensor 2.
WARNING:
Be careful not to be caught up by the running wheels.
9) Using a voltage meter; measure voltage between termi-
nals of vehicle speed sensor 2.
Terminals / Specified voltage:
(B17) No. 1—No. 2 / AC 2 V, or more
NOTE:
The speed difference between front and rear wheels may
light either the ABS or the ABS/TCS warning light, but this
indicates no malfunctions. When AT control diagnosis is
finished, perform the ABS or the ABS/TCS memory clear-
ance procedure of self-diagnosis system.

49
3-2AUTOMATIC TRANSMISSION AND DIFFERENTIAL
7. Diagnostic Chart with Trouble Code