Mazda Protege 5. Manual - part 354

INSTRUMENTATION/DRIVER INFO. 

09–22–10

DTC 16

Operation signal to fuel-level warning light

INSPECTION

INDICATION

SITUATION

ACTION

Wait for 2 seconds after selecting DTC 16.

Fuel-level warning light 
turns on and off 3 times.

Fuel-level warning light is 
okay.

Other than stated above.

Inspect fuel-level warning 
light.
(See 09–22–13 WARNING 
AND INDICATOR LIGHT 
BULB REMOVAL/
INSTALLATION)

DTC 22

Fuel level signal

STEP

INSPECTION

INDICATION

SITUATION

ACTION

1

Select DTC 22.

Short to GND.

•

Inspect fuel gauge 
sender unit.
(See 09–22–13 FUEL 
GAUGE SENDER 
UNIT INSPECTION)

•

Inspect wiring harness. 
(Instrument cluster — 
fuel gauge sender 
unit.)

Open circuit.

Other than stated 
above.

Go to next step.

2

Using SST (Fuel And Thermometer 
checker), input 20 ohms to terminal 
3C of instrument cluster.

—

Go to next step.

Other than stated 
above.

—

Replace instrument 
cluster.

3

Using SST (Fuel And Thermometer 
checker), input 60 ohms to terminal 
3C of instrument cluster.

—

Go to next step.

Other than stated 
above.

—

Replace instrument 
cluster.

4

Using SST (Fuel And Thermometer 
checker), input 100 ohms to 
terminal 3C of instrument cluster.

—

Input signal to instrument 
cluster is okay.

Other than stated 
above.

—

Replace instrument 
cluster.

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INSTRUMENTATION/DRIVER INFO. 

09–22–11

09–22

DTC 23

Operation signal to fuel gauge

INSPECTION

INDICATION

SITUATION

ACTION

Wait for 2 seconds after selecting DTC 23.

Fuel gauge indicates in 
following order for every 2 
seconds.

•

F

→

1/2

→

E

→

F (fixed)

Fuel gauge is okay.

Other than stated above.

Replace instrument 
cluster.

Replace instrument cluster.

DTC 24

Water temperature signal

STEP

INSPECTION

INDICATION

SITUATION

ACTION

1

Inspect PCM and 
ETC sensor.
Are any DTCs of 
PCM displayed?

Yes

—

—

Go to applicable DTC 
inspection.

No

—

—

Go to next step.

2

Select DTC 24.

Caution

••••

If ignition switch is turned 
to ON position with ECT 
sensor connector 
disconnected, DTC (P0117, 
P0118) of on-board 
diagnostic system will be 
recorded in PCM. After 
inspecting DTC 24, always 
delete DTC of PCM.

Short to GND.

Inspect wiring harness. 
(Instrument cluster — ECT 
sensor)

Open circuit.

Other than stated 
above.

—

Go to next step.

3

Use  the  SST (Fuel and thermometer 
checker) to adjust the resistance so 
that the voltage of the instrument 
cluster terminal 3E is 
approximately 0.29 V.

—

Go to next step.

Other than stated 
above.

—

Replace instrument 
cluster.

4

Use  the  SST (Fuel and thermometer 
checker) to adjust the resistance so 
that the voltage of the instrument 
cluster terminal 3E is 
approximately 1.61V.

—

Input signal to instrument 
cluster is okay.

Other than stated 
above.

—

Replace instrument 
cluster.

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INSTRUMENTATION/DRIVER INFO. 

09–22–12

End Of Sie

DTC 25

Operation signal to water temperature gauge

INSPECTION

INDICATION

SITUATION

ACTION

Wait for 2 seconds after selecting DTC 25.

Water temperature gauge 
indicates in following order 
for every 2 seconds.

•

H

→

Center

→

C

→

H 

(fixed)

Water temperature gauge 
is okay.

Other than stated above.

Replace instrument 
cluster.

Replace instrument cluster.

DTC 26

LCD indication

INSPECTION

INDICATION

SITUATION

ACTION

Wait for 2 seconds after selecting DTC 26.

Indication is normal.

LCD is okay.

Other than stated above.

Replace instrument 
cluster.

DTC 27

Operation signal to interior light

INSPECTION

INDICATION

SITUATION

ACTION

a. Turn interior light switch to DOOR position.
b. Wait for 2 seconds after selecting DTC 27.

Interior light turns on and 
off 3 times.

Interior light is okay.

Other than stated above.

•

Inspect interior light.

•

Inspect wiring harness. 
(Battery — interior light 
— instrument cluster)

DTC 31

TNS relay on/off signal

STEP

INSPECTION

INDICATION

ACTION

1

Remove key from steering lock and 
then insert key into steering lock 
after selecting DTC 31 (key 
reminder switch on).

Go to next step.

•

Inspect key reminder switch.
(See 09–21–4 KEY REMINDER SWITCH 
INSPECTION)

•

Inspect wiring harness. (Battery — key reminder 
switch — instrument cluster)

2

Remove key from steering lock (key 
reminder switch off).

•

Inspect key reminder switch.
(See 09–21–4 KEY REMINDER SWITCH 
INSPECTION)

•

Inspect wiring harness. (Battery — key reminder 
switch — instrument cluster)

Input signal to instrument cluster is okay.

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INSTRUMENTATION/DRIVER INFO. 

09–22–13

09–22

WARNING AND INDICATOR LIGHT BULB REMOVAL/INSTALLATION

A3U092255431W01

1. Disconnect the negative battery cable.
2. Remove the instrument cluster. (See 09–22–3 INSTRUMENT CLUSTER REMOVAL/INSTALLATION.)
3. Turn the socket counterclockwise to remove the 

bulb as shown in the figure.

4. Install in the reverse order of removal.

End Of Sie

FUEL GAUGE SENDER UNIT INSPECTION

A3U092260960W01

1. Remove the fuel gauge sender unit. (See 01–14–15 FUEL PUMP UNIT DISASSEMBLY/ASSEMBLY.)
2. Move the float to the topmost and bottommost 

positions, and verify that the resistance between 
terminals A and B of the unit and the position of 
the float are as indicated in the figure.

•

If they are not as indicated, replace the fuel 
gauge sender unit.

End Of Sie

OIL PRESSURE SWITCH INSPECTION

A3U092218500W01

1. Verify that the oil pressure warning light illuminates when the ignition switch is turned to ON position.
2. Verify that the oil pressure warning light goes off when the engine is started.

•

If the oil pressure warning light does not illuminate or remains illuminated, inspect the oil pressure warning 
light bulb and related wiring harness.

•

If the oil pressure warning light bulb and related wiring harness are normal, inspect the oil pressure. (See 
01–11–2 OIL PRESSURE INSPECTION.)

•

If the oil pressure is normal, replace the oil pressure switch.

End Of Sie

HORN REMOVAL/INSTALLATION

A3U092266790W01

1. Disconnect the negative battery cable.
2. Remove the front bumper. (See 09–10–5 FRONT BUMPER REMOVAL/INSTALLATION.)
3. Disconnect the horn connector.
4. Remove the bolt.
5. Remove the horn.
6. Install in the reverse order of removal.

End Of Sie

X3U922WBK

Y3U922WA0

X3U922WBM

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