Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Manual — part 706

IDI-15

Clock System

INSTRUMENTATION/DRIVER INFO

5. CHECK COMMUNICATION CIRCUIT OF FUEL ECONOMY SYSTEM

C: NOTE

For procedure of each component in the clock system, refer to the respective section.

• Clock: <Ref. to IDI-21, Clock.>

4

CHECK AMBIENT TEMPERATURE DIS-
PLAY.
1) Connect the combination meter connector.
2) Install the 3 kΩ resistance to ambient sen-
sor connector terminal.
3) Turn the ignition switch to ON.

Connector & terminal

(F78) No. 1 — (F78) No. 2:

Does the ambient temperature
display 25°C (77°F)?

Repair the poor
contact between
the ambient sensor
and harness con-
nector.

Go to step

5.

5

CHECK AMBIENT TEMPERATURE OUTPUT
DATA.
1) Prepare the Subaru Select Monitor kit.
2) Turn the ignition switch to ON (engine OFF)
and run the “PC application for Subaru Select
Monitor”.
3) On «System Selection Menu» display,
select {Integ. unit mode}.
4) Select {Ambient Temperature}.

Does the ambient temperature
display 25°C (77°F)?

Go to step

6.

Replace the meter
case assembly.
<Ref. to IDI-16,
Combination
Meter.>

6

CHECK CLOCK.
1) Remove the clock.
2) Attach the ambient temperature display to
another vehicle on which the ambient tempera-
ture display operates normally to check its oper-
ation.

Does the ambient temperature
display 25°C (77°F)?

Replace the clock
body.

Replace the meter
case assembly.

Step

Check

Yes

No

1

CHECK FUEL ECONOMY DISPLAY OFF
MODE.
Hold down the button “+” on the clock for 5 sec-
onds or more.

Does the fuel economy display
part blink?

Go to step

2.

Go to step

3.

2

CHECK FUEL ECONOMY DISPLAY OFF
MODE.
Turn the ignition switch to ON.

Is fuel economy displayed?

Clock is normal.

Go to step

3.

3

CHECK DIAGNOSTIC TROUBLE CODE
(DTC).
1) Prepare the Subaru Select Monitor kit.
2) Turn the ignition switch to ON (engine OFF)
and run the “PC application for Subaru Select
Monitor”.
3) On «System Selection Menu» display,
select {Integ. unit mode}.
4) Select the {Diagnostic Code(s) Display}.

Is DTC detected?

Go to step

4.

Replace the meter
case assembly.

4

CHECK CLOCK.
1) Remove the clock.
2) Attach the fuel economy display to another
vehicle on which the fuel economy display oper-
ates normally to check its operation.

Is the fuel economy display cor-
rect?

Replace the clock
body.

Replace the meter
case assembly.

Step

Check

Yes

No

IDI-16

Combination Meter

INSTRUMENTATION/DRIVER INFO

4. Combination Meter

A: REMOVAL

1) Disconnect the ground cable from battery.

2) Set the tilt steering at the lowest position. For

steering wheel with telescopic system, pull the

steering.

3) Remove the plastic hook (A), and detach the

meter visor.

4) Remove the screws of the combination meter,

and pull on the meter while tipping it towards your-

self.

5) Disconnect the connector in the rear side of

combination meter to remove meter.
CAUTION:

• Be careful not to damage the meter or instru-

ment panel.

• Pay particular attention to avoid damaging

the meter glass.

B: INSTALLATION

CAUTION:

• Make sure the electrical connector is con-

nected securely.

• Make sure that each meter operates normal-

ly.

• When the combination meter has been re-

placed, be sure to perform the registration of

immobilizer.

Install each part in the reverse order of removal.

C: DISASSEMBLY

1. DISASSEMBLY OF COMBINATION

METER

CAUTION:

• Use gloves to avoid damage and getting fin-

gerprints on the glass surface and meter sur-

faces.

• Be careful not to apply excessive force to the

trip knob.

• Be sure not to touch the meter indicator nee-

dle.

Disengage the tabs (A), and remove the meter

glass assembly (B) and meter visor (C) from the

meter case assembly (D).

2. BULB REPLACEMENT

LEDs are used for all of warning lights and indicator

lights of combination meters, replace the meter

case assembly if faulty.

D: ASSEMBLY

Assemble each part in the reverse order of disas-

sembly.

EI-01893

(A)

IDI00375

IDI00267

(A)

(D)

(C)

(B)

IDI-17

Speedometer

INSTRUMENTATION/DRIVER INFO

5. Speedometer

A: SPECIFICATION

Since the meter case assembly cannot be disas-

sembled, do not remove or inspect the speedome-

ter alone. (Do not remove the cover on the back

surface.)

IDI-18

Tachometer

INSTRUMENTATION/DRIVER INFO

6. Tachometer

A: SPECIFICATION

Since the meter case assembly cannot be disas-

sembled, do not remove or inspect the tachometer

alone. (Do not remove the cover on the back sur-

face.)