2004 SUBARU FORESTER fuse box

SL-16
SECURITY AND LOCK
Keyless Entry System
2. CHECK TRANSMITTER BATTERY
3. CHECK FUSE
The room light and ignition switch illu-
mination operation does not activate.1. Check the room light operation. LIGHT OPERATION, INSPECTION,
Keyless Entry System.>
2. Check the ignition switch illumination circuit. SWITCH ILLUMINATION CIRCUIT,
INSPECTION, Keyless Entry Sys-
tem.>
3. Replace the keyless entry control module.
(without double lock) Module.>
4. Replace the double lock module. (with double
lock) ule.>
Step Check Yes No
1 CHECK TRANSMITTER BATTERY.
1) Remove the battery from transmitter. to SL-41, REMOVAL, Keyless Transmitter.>
2) Check the battery voltage. INSPECTION, Keyless Transmitter.>
NOTE:
If the transmitter battery voltage is 2.5 V or less,
the range of transmission becomes very short.Is the voltage more than 2.5 V? If further inspec-
tion is necessary,
refer to “SYMP-
TOM CHART”.
SYMPTOM
CHART, INSPEC-
TION, Keyless
Entry System.>Replace the trans-
mitter battery.
Step Check Yes No
1 CHECK FUSE.
Remove and visually check the fuse No. 2 (in
the main fuse box), No. 3 (in the fuse and relay
box) and SBF-6 (in the main fuse box)Is the fuse blown out? Replace the fuse
with a new one.Check the power
supply and ground
circuit. SL-17, CHECK
POWER SUPPLY
AND GROUND
CIRCUIT,
INSPECTION,
Keyless Entry Sys-
tem.> Symptom Repair order Reference

SL-19
SECURITY AND LOCK
Keyless Entry System
7. CHECK KEY WARNING SWITCH
Step Check Yes No
1 CHECK FUSE.
Remove and visually check the fuse No. 6 (in
the main fuse box).Is the fuse blown out? Go to step 2.Replace the fuse
with a new one.
2 CHECK KEY WARNING SWITCH CIRCUIT.
1) Disconnect the keyless entry control mod-
ule harness connector.
2) Insert the key into ignition switch. (LOCK
position)
3) Measure the voltage between harness con-
nector terminal and chassis ground.
Connector & terminal
(B176) No. 1 (+) — Chassis ground (
−):Is the voltage more than 10 V? Go to step 3.Go to step 4.
3 CHECK KEY WARNING SWITCH CIRCUIT.
1) Remove the key from ignition switch.
2) Measure the voltage between harness con-
nector terminal and chassis ground.
NOTE:
The voltage is not 0 V due to noise, etc.
Connector & terminal
(B176) No. 1 (+) — Chassis ground (
−):Is the voltage approx. less than
0 V?The key warning
switch is OK.Go to step 4.
4 CHECK KEY WARNING SWITCH.
1) Disconnect the key warning switch harness
connector.
2) Insert the key into ignition switch. (LOCK
position)
3) Measure the resistance between key warn-
ing switch terminals.
Te r m i n a l
No. 1 — No. 2:Is the resistance less than 1
Ω?Go to step 5.Replace the key
warning switch.
5 CHECK KEY WARNING SWITCH.
1) Remove the key from ignition switch.
2) Measure the resistance between key warn-
ing switch terminals.
Te r m i n a l
No. 1 — No. 2:Is the resistance less than 1
MΩ?Check the follow-
ing:
Harness for
open circuits or
shorts between
the key warn-
ing switch and
fuse
Harness for
open circuits
and shorts
between the
keyless entry
control module
and key warn-
ing switchReplace the key
warning switch.

CC(H4SO)-14
CRUISE CONTROL SYSTEM (DIAGNOSTIC)
Diagnostic Procedure with Symptom
Step Check Yes No
1 CHECK POWER SUPPLY.
1) Turn the ignition switch to OFF.
2) Disconnect the cruise control module har-
ness connector.
3) Turn the ignition switch to ON.
4) Measure the voltage between harness con-
nector terminal and chassis ground.
Connector & terminal
(B94) No. 12 (+) — Chassis ground (
−):Is the voltage more than 10 V? Go to step 2. Check the fuse
No. 18 (in fuse &
relay box).
 Check the har-
ness for open or
short between
cruise control
module and fuse &
relay box.
2 CHECK GROUND CIRCUIT.
1) Turn the ignition switch OFF.
2) Measure the resistance between harness
connector terminal and chassis ground.
Connector & terminal
(B94) No. 6 — Chassis ground:Is the resistance less than 10
Ω?Power supply and
ground circuit are
OK.Repair the har-
ness.

CC(H4SO)-16
CRUISE CONTROL SYSTEM (DIAGNOSTIC)
Diagnostic Procedure with Symptom
Step Check Yes No
1 CHECK CRUISE CONTROL MAIN SWITCH
CIRCUIT.
1) Turn the ignition switch to OFF.
2) Disconnect the cruise control main switch
harness connector.
3) Turn the ignition switch to ON.
4) Measure the voltage between harness con-
nector terminal and chassis ground.
Connector & terminal
With indicator built in combination
meter:
(B161) No. 3 (+) — Chassis ground (
−):
With indicator built in main switch:
(B161) No. 2 (+) — Chassis ground (
−):Is the voltage more than 10 V? Go to step 2. Check the fuse
No. 18 (in fuse &
relay box).
 Check the har-
ness for open or
short between
cruise control main
switch and fuse &
relay box.
2 CHECK CRUISE CONTROL MAIN SWITCH
CIRCUIT.
1) Turn the ignition switch OFF.
2) Disconnect the cruise control module har-
ness connector.
3) Measure the resistance between cruise
control module harness connector terminal
and cruise control main switch harness con-
nector terminal.
Connector & terminal
With indicator built in combination
meter:
(B94) No. 15 — (B161) No. 5:
With indicator built in main switch:
(B94) No. 15 — (B161) No. 1:Is the resistance less than 10
Ω?Go to step 3.Repair the har-
ness.
3 CHECK CRUISE CONTROL MAIN SWITCH.
Remove and check the cruise control main
switch. Switch.>Is the cruise control main
switch OK?Replace the cruise
control module.Replace the cruise
control main
switch.

CC(H4SO)-18
CRUISE CONTROL SYSTEM (DIAGNOSTIC)
Diagnostic Procedure with Symptom
Step Check Yes No
1 CHECK CRUISE INDICATOR LIGHT CIR-
CUIT.
1) Turn the ignition switch to OFF.
2) With indicator built in combination meter:
Disconnect the combination meter harness
connector.
With indicator built in main switch:
Disconnect the cruise control main switch har-
ness connector.
3) Turn the ignition switch to ON.
4) Measure the voltage between harness con-
nector terminal and chassis ground.
Connector & terminal
With indicator built in combination
meter:
(i10) No. 9 (+) — Chassis ground (
−):
With indicator built in main switch:
(B161) No. 3 (+) — Chassis ground (
−):Is the voltage more than 10 V? Go to step 2. Check the fuse
No. 13 (in fuse &
relay box).
 Check the har-
ness for open or
short between
combination meter
and fuse & relay
box.
2 CHECK CRUISE INDICATOR LIGHT CIR-
CUIT.
1) Turn the ignition switch to OFF.
2) Disconnect the cruise control module har-
ness connector.
3) Measure the resistance between cruise
control module harness connector terminal
and combination meter harness connector ter-
minal.
Connector & terminal
With indicator built in combination
meter:
(B94) No. 1 (+) — (i10) No. 16:
With indicator built in main switch:
(B94) No. 1 (+) — (B161) No. 4:Is the resistance less than 10
Ω?Go to step 3.Repair the har-
ness.
3 CHECK CRUISE INDICATOR LIGHT CIR-
CUIT.
Ground the cruise control module harness
connector terminal with a suitable wire.
Connector & terminal
(B94) No. 1 — Chassis ground:Does the cruise indicator light
illuminate?Replace the cruise
control module. With indicator
built in combina-
tion meter: Check
the cruise indicator
light bulb in combi-
nation meter, and
replace it if mal-
function
occurred.No mal-
function found,
replace the printed
circuit of combina-
tion meter.
 With indicator
built in main
switch: Replace
the cruise control
main switch.

CC(H4SO)-20
CRUISE CONTROL SYSTEM (DIAGNOSTIC)
Diagnostic Procedure with Symptom
Step Check Yes No
1 CHECK SET/COAST SWITCH CIRCUIT.
1) Turn the ignition switch to OFF.
2) Disconnect the cruise control module har-
ness connector.
3) Measure the voltage between harness con-
nector terminal and chassis ground when SET/
COAST switch is pressed and not pressed.
Connector & terminal
(B94) No. 10 (+) — Chassis ground (
−):Is the voltage 0 V when the
SET/COAST switch is not
pressed? Is the voltage more
than 10 V when the SET/
COAST switch is pressed?Go to step 2.Go to step 4.
2 CHECK RESUME/ACCEL SWITCH CIRCUIT.
Measure the voltage between harness connec-
tor terminal and chassis ground when
RESUME/ACCEL switch is pressed and not
pressed.
Connector & terminal
(B94) No. 9 (+) — Chassis ground (
−):Is the voltage 0 V when the
RESUME/ACCEL switch is not
pressed? Is the voltage more
than 10 V when the RESUME/
ACCEL switch is pressed?Go to step 3.Go to step 4.
3 CHECK CANCEL SWITCH CIRCUIT.
Measure the voltage between harness connec-
tor terminal and chassis ground when CAN-
CEL switch is pressed and not pressed.
Connector & terminal
(B94) No. 9 (+) — Chassis ground (
−):
(B94) No. 10 (+) — Chassis ground (
−): Is the voltage 0 V when the
CANCEL switch is not
pressed? Is the voltage more
than 10 V when the CANCEL
switch is pressed?Cruise control
command switch
circuit is OK.Go to step 4.
4 CHECK POWER SUPPLY FOR COMMAND
SWITCH.
Check the horn operation.Does the horn sound? Go to step 5. Check the fuse
No. 6 (in main fuse
box).
 Check the horn
relay. COM-3, INSPEC-
TION, Horn Sys-
tem.>
 Check the har-
ness for open or
short between
cruise control
command switch
and fuse & relay
box.
5 CHECK CRUISE CONTROL COMMAND
SWITCH.
Remove and check the cruise control com-
mand switch. Command Switch.>Is the cruise control command
switch OK?Check the harness
between cruise
control command
switch and cruise
control module.Replace the cruise
control command
switch.

CC(H4SO)-22
CRUISE CONTROL SYSTEM (DIAGNOSTIC)
Diagnostic Procedure with Symptom
Step Check Yes No
1 CHECK STOP LIGHT SWITCH AND BRAKE
SWITCH CIRCUIT.
1) Turn the ignition switch to OFF.
2) Disconnect the stop light switch and brake
switch harness connector.
3) Turn the ignition switch to ON.
4) Turn the cruise control main switch to ON.
5) Measure the voltage between harness con-
nector terminal and chassis ground.
Connector & terminal
(B65) No. 2 (+) — Chassis ground (
−): Is the voltage more than 10 V? Go to step 2. Check the fuse
No. 16 (in fuse &
relay box).
 Check the har-
ness for open or
short between
stop light/brake
switch and fuse &
relay box.
2 CHECK STOP LIGHT SWITCH AND BRAKE
SWITCH CIRCUIT.
Measure the voltage between harness connec-
tor terminal and chassis ground.
Connector & terminal
(B65) No. 4 (+) — Chassis ground (
−): Is the voltage more than 10 V? Go to step 3. Check the har-
ness for open or
short between
stop light/brake
switch and cruise
control module (AT
model).
 Check the clutch
switch and circuit
(MT model).
3 CHECK STOP LIGHT SWITCH AND BRAKE
SWITCH CIRCUIT.
1) Turn the cruise control main switch and
ignition switch to OFF.
2) Disconnect the cruise control module har-
ness connector.
3) Measure the resistance between cruise
control module harness connector terminal
and stop light switch and brake switch harness
connector terminal.
Connector & terminal
(B94) No. 20 — (B65) No. 3:
(B94) No. 16 — (B65) No. 1: Is the resistance less than 10
Ω?Go to step 4.Repair the har-
ness.
4 CHECK STOP LIGHT SWITCH AND BRAKE
SWITCH.
Remove and check the stop light switch and
brake switch. Switch.>Are the stop light switch and
brake switch are OK?Stop light switch
and brake switch
circuit are OK.Replace the stop
light switch and
brake switch.

CC(H4DOTC 2.5)-12
CRUISE CONTROL SYSTEM (DIAGNOSTIC)
Diagnostic Procedure with Symptom
Step Check Yes No
1 CHECK CRUISE INDICATOR LIGHT CIR-
CUIT.
1) Turn the ignition switch to OFF.
2) Disconnect the combination meter harness
connector.
3) Turn the ignition switch to ON.
4) Measure the voltage between harness con-
nector terminal and chassis ground.
Connector & terminal
(i10) No. 9 (+) — Chassis ground (
−):Is the voltage more than 10 V? Go to step 2. Check the fuse
No. 14 (in fuse &
relay box).
 Check the har-
ness for open or
short between
combination meter
and fuse & relay
box.
2 CHECK CRUISE INDICATOR LIGHT CIR-
CUIT.
1) Turn the ignition switch to OFF.
2) Disconnect the ECM harness connector.
3) Measure the resistance between ECM har-
ness connector terminal and combination
meter harness connector terminal.
Connector & terminal
(B134) No. 15 — (i10) No. 16:Is the resistance less than 10
Ω?Go to step 3.Repair the har-
ness.
3 CHECK CRUISE INDICATOR LIGHT CIR-
CUIT.
Ground the ECM harness connector terminal
with a suitable wire.
Connector & terminal
(B134) No. 15 — Chassis ground:Does the cruise indicator light
illuminate?Check the poor
contact of ECM
connector.Replace the meter
main assembly.