Subaru 2006 Legacy, Руководство пользователя

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EN(H4DOTC)(diag)-56
Diagnostics for Engine Starting Failure
ENGINE (DIAGNOSTICS)
3 CHECK DTC.
Is DTC displayed? <Ref. to
EN(H4DOTC)(diag)-32,
OPERATION, Read Diagnos-
tic Trouble Code (DTC).> Check the appro-
priate DTC using
the List of Diag-
nostic Trouble
Code (DTC). <Ref.
to
EN(H4DOTC)(diag
)-68, List of Diag-
nostic Trouble
Code (DTC).> Repair the poor
contact of ECM
connector.
4 CHECK INPUT SIGNAL FOR STARTER MO-
TOR.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from starter
motor.
3) Turn the ignition switch to START.
4) Measure the power supply voltage between
starter motor connector terminal and engine
ground.
Connector & terminal
(B14) No. 1 (+) — Engine ground (–):
NOTE:
• For AT model, place the select lever in “P” or
“N” range.
• For MT model, depress the clutch pedal.
Is the voltage more than 10 V? Check the starter
motor. <Ref. to
SC(H4SO)-6,
Starter.>
Go to step 5 .
5 CHECK HARNESS BETWEEN BATTERY
AND IGNITION SWITCH CONNECTOR.
1) Disconnect the connector from ignition
switch.
2) Measure the power supply voltage between
ignition switch connector and chassis ground.
Connector & terminal
(B72) No. 3 (+) — Chassis ground (–):
Is the voltage more than 10 V? Go to step
6
. Check the follow-
ing item and repair
if necessary.
• Blown out of
fuse
• Open circuit of
harness between
ignition switch and
battery
6 CHECK IGNITION SWITCH.
1) Disconnect the connector from ignition
switch.
2) Measure the resistance between ignition
switch terminals after turning the ignition
switch to START position.
Terminals
No. 2 — No. 3:
Is the resistance less than 5
Ω
?
Go to step
7
. Replace the igni-
tion switch.
7 CHECK INPUT VOLTAGE OF STARTER RE-
LAY.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from starter relay.
3) Connect the connector to ignition switch.
4) Measure the input voltage between starter
relay connector and chassis ground after turn-
ing the ignition switch to START position.
Connector & terminal
(B225) No. 14 (+) — Chassis ground (–):
(B225) No. 16 (+) — Chassis ground (–):
Is the voltage more than 10 V? Go to step 8 . Repair open or
short circuit to
ground in harness
between starter
relay and ignition
switch.
8 CHECK STARTER RELAY.
1) Connect the battery to starter relay termi-
nals No. 15 and No. 16.
2) Measure the resistance between starter
relay terminals.
Terminals
No. 13 — No. 14:
Is the resistance less than 1
Ω
?
Go to step 9 . Replace the
starter relay.
Step Check Yes No
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