Subaru IMPREZA GD 2007 Series Manual page 4116

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SECURITY AND LOCKS
12.CHECK HAZARD LIGHT OPERATION
Step
1 CHECK HAZARD LIGHT OPERATION.
Make sure that the hazard light blinks when
hazard switch is turned ON.
2 CHECK OUTPUT SIGNAL.
1) Remove the key from ignition switch.
2) Close all the doors and the rear gate.
3) Measure the voltage between the keyless
entry control module harness connector termi-
nal and the chassis ground when the LOCK/
ARM button of the transmitter is pressed.
Connector & terminal
(B176) No. 1 (+) — Chassis ground (–):
(B176) No. 13 (+) — Chassis ground (–):
13.CHECK KEYLESS BUZZER
Step
1 CHECK FUSE.
Remove and check fuse No. 2 (in the main fuse
box).
2 CHECK POWER SUPPLY TO THE KEYLESS
BUZZER.
1) Disconnect the connector from the keyless
buzzer.
2) Measure the voltage between the keyless
buzzer harness connector and the chassis
ground.
Connector & terminal
(F102) No. 2 (+) — Chassis ground (–):
3 CHECK HARNESS BETWEEN KEYLESS
BUZZER AND KEYLESS ENTRY CONTROL
MODULE.
1) Disconnect the connector from the keyless
entry control module.
2) Measure the resistance in the harness
between the keyless buzzer and keyless entry
control module.
Connector & terminal
(F102) No. 1 — (B176) No. 3:
4 CHECK KEYLESS BUZZER.
Connect the battery positive (+) lead to terminal
No. 2 of the keyless buzzer connector, and the
negative (–) lead to terminal No. 1, and check
whether or not the buzzer will sound.
Keyless Entry System
Check
Does the hazard light blink?
Is the voltage 10 V or more?
Check
Is the fuse blown out?
Is the voltage 10 V or more?
Is the resistance less than 10 Ω? Go to step 4.
Does the buzzer sound?
SL-20
Yes No
Go to step 2. Check the hazard
light circuit.
Check the harness Replace the key-
for open circuits or less entry control
shorts between the module.
keyless entry con-
trol module and the
turn signal lights.
Yes No
Go to step 2.
Replace the fuse
with a new part.
Go to step 3. Check for open or
short circuit in the
harness between
the fuse and key-
less buzzer.
Repair the harness
between the key-
less buzzer and
keyless entry con-
trol module.
Replace the key- Replace the key-
less entry control less buzzer.
module.