Subaru IMPREZA GD 2007 Series Manual page 3988

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Step
9 CHECK TAIL LIGHT.
Check that the tail light turns ON when the
headlight switch is turned ON.
10 CHECK BODY INTEGRATED UNIT.
1) Turn the headlight switch to OFF and start
the engine.
2) Measure the voltage between the body inte-
grated unit terminal and chassis ground with the
parking brake released.
Connector & terminal
(B280) No. 16 (+) — Chassis ground (–):
11 CHECK BODY INTEGRATED UNIT.
Measure the voltage between the body inte-
grated unit terminal and chassis ground with the
parking brake applied.
Connector & terminal
(B280) No. 16 (+) — Chassis ground (–):
12 CHECK DAYTIME RUNNING LIGHT RELAY
(HALOGEN TYPE MODEL) AND TAIL LIGHT
RELAY (HID MODEL).
Disconnect the relay connector, and perform
individual inspection. <Ref. to LI-6, DAYTIME
RUNNING LIGHT RELAY (SEDAN MODEL)
AND TAIL LIGHT RELAY (HID MODEL),
INSPECTION, Day Time Running Light Sys-
tem.>
13 CHECK DAYTIME RUNNING LIGHT RESIS-
TOR.
Disconnect the daytime running light resistor
connector, and measure the resistance
between the terminals.
Connector & terminal
(B5) No. 1 — No. 2:
14 CHECK HARNESS BETWEEN DAYTIME
RUNNING LIGHT RELAY CONNECTOR AND
DAYTIME RUNNING LIGHT RESISTOR CON-
NECTOR.
Measure the resistance between harness con-
nectors.
Connector & terminal
(B102) No. 3 — (B5) No. 1:
15 CHECK DAYTIME RUNING LIGHT RESIS-
TOR GROUND.
Measure the resistance between harness con-
nector terminal and chassis ground.
Connector & terminal
(B5) No. 2 — Chassis ground:
Day Time Running Light System
Check
Does the tail light turn ON prop-
erly?
Is the voltage battery voltage? Go to step 11.
Is the voltage less than 1 V?
Are individual relays operating
properly?
Is the resistance 0.2 — 0.4 Ω? Go to step 14.
Is the resistance less than 1 Ω? Go to step 15.
Is the resistance less than 1 Ω? The daytime run-
LI-5
LIGHTING SYSTEM
Yes No
Go to step 10. Check the tail light.
<Ref. to LI-27,
INSPECTION, Tail/
Stop Light Bulb.>
Check the harness
circuit between the
headlight relay and
body integrated
unit.
Go to step 12.
Replace the body
integrated unit.
Halogen type Replace the day-
model ⇒Go to step
time running light
13.
relay (halogen type
For HID models, model) and tail
check the HID light light relay (HID
circuit. model).
Replace the day-
time running light
resistor.
Repair the open
circuit of the har-
ness between the
daytime running
light relay connec-
tor and daytime
running light resis-
tor connector.
Repair the open
ning light system is circuit of the day-
normal. time running light
resister ground.