Subaru Legacy (2005 year). Manual - part 1014

CC-3

CRUISE CONTROL SYSTEM

General Description

B: CAUTION

• Before disassembling or reassembling parts, al-
ways disconnect the battery ground cable from bat-
tery. When repairing the audio, control module, etc.
which are provided with memory functions, record
the memory contents before disconnecting the
ground cable from battery. Otherwise, the memory
will be erased.
• Reassemble the parts in the reverse order of dis-
assembly unless otherwise indicated.
• Adjust the parts to specifications specified in this
manual.
• Connect the connectors securely during reas-
sembly.
• After reassembly, ensure functional parts oper-
ate properly.

C: PREPARATION TOOL

TOOL NAME

REMARKS

Circuit tester

Used for measuring resis-
tance and voltage.

TORX

®

 BIT T30

Used for removing and 
installing driver’s airbag 
module.

CC-4

CRUISE CONTROL SYSTEM

Cruise Control Unit

2. Cruise Control Unit

A: NOTE

The control of cruise control system is carried out in
Engine control module (ECM).

B: REMOVAL

<Ref. to FU(H4SO 2.0)-34, REMOVAL, Engine
Control Module (ECM).> <Ref. to FU(H4SO 2.5)-
37, REMOVAL, Engine Control Module (ECM).>
<Ref. to FU(H4DOTC)-34, REMOVAL, Engine
Control Module (ECM).> <Ref. to FU(H6DO)-34,
REMOVAL, Engine Control Module (ECM).>

C: INSTALLATION

<Ref. to FU(H4SO 2.0)-34, INSTALLATION, En-
gine Control Module (ECM).> <Ref. to FU(H4SO
2.5)-37, INSTALLATION, Engine Control Module
(ECM).> <Ref. to FU(H4DOTC)-34, INSTALLA-
TION, Engine Control Module (ECM).> <Ref. to
FU(H6DO)-34, INSTALLATION, Engine Control
Module (ECM).>

CC-5

CRUISE CONTROL SYSTEM

Cruise Control Command Switch

3. Cruise Control Command 

Switch

A: REMOVAL

WARNING:
Before servicing, be sure to read the notes in
the “AB” section for proper handling of the
driver’s airbag module. <Ref. to AB-5, CAU-
TION, General Description.>

1) Set the front wheels in straight ahead position.
2) Turn the ignition switch to OFF.
3) Disconnect the ground cable from battery and
wait for at least 20 seconds before starting work.
4) Using TORX

®

 BIT T30 (Tamper resistant type),

loosen the two TORX

®

 bolts which secure driver’s

airbag module.

5) Disconnect the airbag module connector on
back of the airbag module. <Ref. to AB-11, PRO-
CEDURE, Airbag Connector.>
6) Remove the steering wheel. <Ref. to PS-21, RE-
MOVAL, Steering Wheel.>
7) Remove the four screws to remove the lower
cover from steering wheel.

8) Remove one screw to remove the cruise control
command switch from lower cover.

B: INSTALLATION

Install in the reverse order of removal.

C: INSPECTION

Measure the cruise control command switch resis-
tance.

If NG, replace the cruise control command switch.

(1) TORX

®

 BIT T30

CC-00018

(1)

CC-00181

Switch

Area

Terminal No.

Standard

CANCEL

SET/COAST

RESUME/

ACCEL

ALL 

OFF

2 and 3

Approx. 4 k

Ω

CANCEL

ON

2 and 3

Less than 1 

Ω

SET/COAST

ON

2 and 3

Approx. 250 

Ω

RESUME/

ACCEL

ON

2 and 3

Approx. 1500 

Ω

MAIN

OFF

1 and 2

More than 1 M

Ω

ON

1 and 2

Less than 1 

Ω

CC-00182

CC-00252

2 3

1

CC-6

CRUISE CONTROL SYSTEM

Stop Light & Brake Switch

4. Stop Light & Brake Switch

A: REMOVAL

1) Disconnect the ground cable from battery.
2) Disconnect the connector from stop light & brake
switch, and then remove the switch. <Ref. to BR-
45, REMOVAL, Stop Light Switch.>

B: INSTALLATION

Install in the reverse order of removal.

C: INSPECTION

Measure the resistance of brake switch (A) and
stop light switch (B).

If NG, replace the stop light & brake switch.

Switch

Pedal

Terminal No.

Standard

Brake

Released

1 and 4

Less than 1 

Ω

Depressed

1 and 4

More than 1 M

Ω

Stop 

Light

Released

2 and 3

More than 1 M

Ω

Depressed

2 and 3

Less than 1 

Ω

CC-00022

1

2

3

4

(A)

(B)

3

2

1

4