Subaru LEGACY 2006 Manual page 411

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Step
17 CHECK CLUTCH SWITCH.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from clutch
switch.
3) Measure the resistance between clutch
switch terminals while depressing the clutch.
Terminals
No. 1 — No. 2:
18 CHECK HARNESS BETWEEN ECM AND
NEUTRAL SWITCH.
1) Disconnect the connector from the neutral
switch.
2) Measure the resistance of harness connec-
tor between ECM and neutral switch.
Connector & terminal
(B136) No. 31 — (B25) No. 1:
19 CHECK NEUTRAL SWITCH GROUND CIR-
CUIT.
Measure the resistance of harness between
neutral switch and ECM.
Connector & terminal
(B25) No. 2 — (B136) No. 6:
20 CHECK NEUTRAL SWITCH.
1) Set the shift lever to "N" range.
2) Measure the resistance between neutral
switch connector terminals.
Terminals
No. 1 — No. 2:
Diagnostics for Engine Starting Failure
Is the resistance less than 1
Ω?
Is the resistance less than 1
Ω?
Is the resistance less than 5
Ω?
Is the resistance more than 1
MΩ?
EN(H4SO)(diag)-59
ENGINE (DIAGNOSTICS)
Check Yes
Go to step 18.
Go to step 19.
Go to step 20.
Contact the SOA
service center.
No
Replace the clutch
switch.
Repair the open or
ground short cir-
cuit of harness
between ECM and
neutral switch.
Repair the open or
ground short cir-
cuit of harness
between neutral
switch and ECM.
Replace the neu-
tral switch.