Subaru 2003 LEGACY Service Manual page 128

DIAGNOSTIC PROCEDURE FOR NO-DIAGNOSTIC TROUBLE CODE (DTC)
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
F: CHECK KICK–DOWN SWITCH.
DIAGNOSIS:
• The kick-down switch is not ON when the throttle is fully open but is OFF when the throttle is partially open
or fully closed.
• Kick-down switch circuit is open or shorted.
TROUBLE SYMPTOM:
No kick-down occurs (when the throttle is fully open).
WIRING DIAGRAM:
1 CHECK KICK-DOWN SWITCH OPERATION.
When the accelerator pedal is depressed,
does "ON" displayed?
2 CHECK KICK-DOWN SWITCH GROUND
LINE.
1) Disconnect connector from kick-down
switch.
2) Measure resistance of harness connector
between kick-down switch and chassis
ground.
Connector & terminal
(B129) No. 1 — Chassis ground:
Is the measured value less than the speci-
fied value?
KICK-DOWN
SWITCH
2
1
B129
B129
1
2
Step
B55 TCM
E
1 2 3 4
10 11 12 13
19 20 21
Value
ON is displayed.
1 Ω
AT-126
B55
5 6 7 8 9
14 15 16 17 18
22 23 24
Yes
Go to step CHECK Go to step 2.
POWER MODE
SWITCH. <Ref. to
AT-128, CHECK
POWER MODE
SWITCH., Diag-
nostic Procedure
for No-diagnostic
Trouble Code
(DTC).>
Go to step 3. Repair open circuit
in harness
between kick-
down switch and
chassis ground.
AT-00594
No