Subaru XT 1988 Service Manual page 671

3-2 AUTOMATIC TRANSMISSION AND DIFFERENTIAL
(7) Troubleshooting for Electronic Control System
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Check diagnosis code
I
t
Defective sensor
I
I
NG
Severed wire harness or short circuit
Speed sensor No.1
I
t
OK
Defective sensor
I
I
NG
Speed sensor No.2
I
Severed wire harness or short circu it
J OK
Defective sensor
I
I
NG
Throttle sensor
I
Severed wire harness or short circuit
t
OK
Severed solenoid or short circuit
I
Shift solenoid No.1
I
NG
I
Severed wire harness or short circuit
!
OK
Severed solenoid or short circuit
I
I
NG
Shift solenoid No.2
I
Severed wire harness or short circuit
t
OK
Severed solenoid or short circu it
I
I
NG
Shift solenoid No.3
I
Severed wire harness or short circuit
t
OK
Severed solenoid or short circuit
I
I
NG
Duty solenoid B
I
Severed wire harness or short circuit
t
OK
Severed solenoid or short circu it
I
I
NG
Duty solenoid C
I
Severed wire harness or short circuit
t
OK
Defective sensor
I
I
NG
ATF Temp sensor
I
Severed wire harness or short circuit
t
OK
I
I
NG
Severed wire harness
Ignition pulse
I
i
OK
Severed solenoid or short circu it
I
Duty solenoid A
I
NG
Severed wire harness or short circuit
I
t
OK
I
END
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