Toyota Sequoia (2005). Manual - part 466

–

DIAGNOSTICS

COMBINATION METER SYSTEM

DI–1659

1853

INSPECTION PROCEDURE

HINT:
Start the inspection from step 1 when using the hand–held tester and start from step 2 when not using the
hand–held tester.

1

Perform active test by hand–held tester.

PREPARATION:
(a)

Connect the hand–held tester to the DLC3.

(b)

Turn the ignition switch ON, and push the hand–held tester main switch ON.

CHECK:
From the display on the tester, perform the ”ACTIVE TEST”.
METER:

Item

Test Details

Diagnostic Note

VOLT METER

9 V / 12 V / 15 V / 18V

Confirm that the vehicle is stopped and engine is

idling.

OK:

Volt meter readings change according to hand–held tester operation.

NG

Replace combination meter
(See page 

IN–35

).

OK

2

Check fuse.

CHECK:
Measure the resistance of the IGN1 fuse in the instrument panel J/B.
OK:

Below 1 

Ω

CHECK:
Measure the resistance of the AM2 fuse in the engine room J/B.
OK:

Below 1 

Ω

NG

Inspect for short circuit in harness and all com-
ponents connected to fuse.

OK

I28570

C6–24

DI–1660

–

DIAGNOSTICS

COMBINATION METER SYSTEM

1854

3

Inspect combination meter.

PREPARATION:
Disconnect the C6 connector of the combination meter.
CHECK:
Measure the voltage according to the value(s) in the table be-
low.
OK:

Terminal No

Condition

Specified condition

C6–24 – Body ground

Ignition switch ON

10 to 14 V

NG

Repair or replace harness or connector.

OK

Replace combination meter
(See page 

IN–35

).

DID64–01

–

DIAGNOSTICS

SLIDING ROOF SYSTEM

DI–1661

1855

SLIDING ROOF SYSTEM

PRECAUTION

NOTICE:
When disconnecting the battery terminal, initialize the following system after the terminal is recon-
nected.

System Name

See Page

Back Door Power Window Control System

BE–77

DI272–11

Customer Problem Analysis

Vehicle Brought to Workshop

Problem Symptom Confirmation

Symptom Simulation

Symptom does not occur

Problem Symptom Table

Circuit Inspection

Identification of Problem

Repair

Confirmation Test

End

Titles inside

are titles of pages in this

manual with the page number indicated in the
bottom portion.      See the indicated pages
for detailed explanations.

1

2

3

5

6

8

Step 6, 8 : Diagnostic steps permitting the use

of the hand–held tester.

P. 

DI–1663

P. 

DI–1664

P. 

IN–24

P. 

DI–1668

 – 

DI–1675

Symptom occurs

7

Multiplex Communication System Inspection *

4

P. 

DI–1904

*: Confirm that there is no trouble

 

by DTC check.

DI–1662

–

DIAGNOSTICS

SLIDING ROOF SYSTEM

1856

HOW TO PROCEED WITH TROUBLESHOOTING

HINT:
The ECU of this system is connected to the multiplex communication system. Therefore, before starting trou-
bleshooting, make sure to check that there is no trouble in the multiplex communication system.