Toyota Sequoia (2005). Manual — part 454

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DIAGNOSTICS

COMBINATION METER SYSTEM

DI–1611

1805

6

Problem Symptoms Table (See page

DI–1614

)

NEXT

7

Circuit Inspection (See page

DI–1628

to

DI–1658

)

NEXT

8

Identification of Problem

NEXT

9

Repair

NEXT

10

Confirmation Test

NEXT

End

DID8S–01

/ /

/ /

COMBINATION METER SYSTEM Check Sheet

Inspector’s name:

Customer’s Name

VIN

Production Date

Licence Plate No.

Odometer Reading

km
miles

Weather Conditions
When Problem
Occurred

Frequency Problem Occurs

Weather

Outside temperature

Constantly

Sometimes ( times per day, month)

Once only

Fine

Cloudy

Rainy

Snowy

Various/Others

Hot

Warm

Cool

Cold (Approx.

°

F (

°

C))

Problem Symptom

Gauge

Malfunction in speedometer

Malfunction in tachometer

Malfunction in engine coolant temperature receiver gauge

Malfunction in fuel receiver gauge

Entire combination meter does not operate

Buzzer does not sound (Key reminder warning, Seat belt warning)

Seat belt warning for driver’s seat does not operate

Others

Operating light control rheostat does not change light brightness

Malfunction in oil pressure receiver gauge

Malfunction in volt meter

DI–1612

–

DIAGNOSTICS

COMBINATION METER SYSTEM

1806

CUSTOMER PROBLEM ANALYSIS CHECK

DID8T–01

–

DIAGNOSTICS

COMBINATION METER SYSTEM

DI–1613

1807

CUSTOMIZE PARAMETERS

HINT:
The following can be customized.
NOTICE:

After confirming whether the items of the customer’s request are applicable or not as custom-
ized items, perform customization.

Be sure to record the current value before customizing.

When troubleshooting, pay attention as there is a possibility that the function has been set to
SMALL through customizing (Example: In case of the symptom in which ”The key reminder
buzzer operation does not function” is displayed, check that the key reminder buzzer operation
is not set to SMALL, then perform troubleshooting).

METER:

DISPLAY (ITEM)

DEFAULT

CONTENTS

SETTING

KEY REMND VOLUM

(Key reminder buzzer vol-

ume)

LARGE

Function that changes the volume of key reminder buzzer.

LARGE/MEDIUM/SMALL

DID8U–01

DI–1614

–

DIAGNOSTICS

COMBINATION METER SYSTEM

1808

PROBLEM SYMPTOMS TABLE

HINT:
Inspect the related ”Fuse” and ”Relay” before confirming the suspected area as shown in the table below.
MALFUNCTION SYSTEM:

Symptom

Suspected Area

See page

Entire combination meter does not operate.

Refer to troubleshooting procedures

DI–1628

Operating light control rheostat does not change light brightness.

Refer to troubleshooting procedures

DI–1645

Seat belt warning does not operate.

Refer to troubleshooting procedures

DI–1650

Key reminder warning buzzer does not sound.

1. Multiplex communication system

2. Key unlock warning switch circuit

3. Door courtesy lamp switch circuit

4. Combination meter assy

DI–1892
DI–1715
DI–1728

IN–35

METER GAUGES:

Symptom

Suspected Area

See page

Malfunction in speedometer

Refer to troubleshooting procedures

DI–1632

Malfunction in tachometer

Refer to troubleshooting procedures

DI–1636

Malfunction in fuel receiver gauge

Refer to troubleshooting procedures

DI–1640

Malfunction in engine coolant temperature receiver gauge

Refer to troubleshooting procedures

DI–1644

Malfunction in oil pressure receiver gauge

Refer to troubleshooting procedures

DI–1654

Malfunction in volt meter

Refer to troubleshooting procedures

DI–1658

WARNING LIGHTS:

Symptom

Suspected Area

See page

Check engine warning light (MIL) does not come on.

1. ECM

2. Wire harness or connector

3. Combination meter assy

DI–9

–

IN–35

Discharge warning light does not come on.

1. ECM

2. Wire harness or connector

3. Combination meter assy

DI–9

–

IN–35

Brake warning light does not come on.

1. Skid control ECU

2. Wire harness or connector

3. Combination meter assy

DI–895

–

IN–35

ABS warning light does not come on.

1. Skid control ECU

2. Wire harness or connector

3. Combination meter assy

DI–895

–

IN–35

SRS warning light does not come on.

1. Airbag sensor assy

2. Wire harness or connector

3. Combination meter assy

DI–1126

–

IN–35

Open door warning light does not come on.

1. Door courtesy light switch circuit

2. Wire harness or connector

3. Combination meter assy

4. Body ECU

DI–1728

–

IN–35
IN–35

Fuel level warning light does not come on.

1. Refer to troubleshooting

2. Wire harness or connector

3. Combination meter assy

DI–1640

–

IN–35

Low oil pressure warning light does not come on.

1. Low oil pressure warning switch

2. Wire harness or connector

3. Combination meter assy

BE–55

–

IN–35