Subaru XT 1988 Service Manual page 1367

WIRING DIAGRAM AND TROUBLESHOOTING
6-3
~
FAUL TV STEERING SENSOR CIRCUIT
No
: Repair connections or harness.
I
Check if continuity exists between steering
sensor and signal controller.
Yes
Connect positive lead of tester (set in V
range) to terminal B of signal controller
body harness connector
@.
Connect negative lead to GND.
Turn ignition switch ON.
No
l
Replace signal controller.
I
Check if tester alternately indicates 0 and
4.5 volts when steering wheel is turned
slowly.
Yes
No
Check if 4.5 volts are produced at terminal
I
Replace signal controller.
I
I
W of signal controller body harness
connector
CD.
Yes
Remove steering sensor.
No
: Repair slit or replace column shaft.
I
Check if slit in column turns in response to
steering wheel operation.
Yes
Replace signal controller.
95