Toyota Sequoia (2005). Manual - part 590

I28495

Multi–display
Controller Sub–assy

LG

3

GAUX

R21

CE

V10
VTR Terminal

4

–

DIAGNOSTICS

REAR SEAT ENTERTAINMANT SYSTEM

DI–2155

2349

VTR terminal set signal circuit

CIRCUIT DESCRIPTION

When terminal GAUX is grounded, the multi–display controller recognizes that an external device is con-
nected.

WIRING DIAGRAM

DIDBM–01

I28321

I28327

VTR Terminal:

Multi–display Controller Sub–assy:

GAUX

CE

V10

R21

DI–2156

–

DIAGNOSTICS

REAR SEAT ENTERTAINMANT SYSTEM

2350

INSPECTION PROCEDURE

1

Check harness and connector (VTR terminal – Multi–display controller sub–
assy).

PREPARATION:
Disconnect the R21 and V10 connectors.
CHECK:
Measure the resistance according to the value(s) in the table
below.
OK:

Symbol (Tester connection)

Condition

Specified condition

CE (V10–4) – GAUX (R21–3)

Always

Below 1 

Ω

CE (V10–4) – Body ground

Always

10 k

Ω 

or higher

NG

Repair or replace harness or connector.

OK

Proceed to next circuit inspection shown in problem symptoms table (See page 

DI–2087

).

–

DIAGNOSTICS

REAR SEAT ENTERTAINMANT SYSTEM

DI–2157

2351

Remote control system does not operate

INSPECTION PROCEDURE

1

Check malfunction symptoms.

CHECK:
Check for obstructions.

Check that there are no obstructions between the switch assy and the infrared ray emitting portion of
the television display assy.

OK:

No obstructions.

NG

Remove obstructions.

OK

2

Check battery (Switch assy).

CHECK:
Check the battery.

Check that the dry–cell battery used for the switch assy is not dead.

OK:

It is not dead.

NG

Replace dry–cell battery.

OK

DIDBN–01

I28723

DI–2158

–

DIAGNOSTICS

REAR SEAT ENTERTAINMANT SYSTEM

2352

3

Clean the infrared ray emitting portion.

PREPARATION:
Clean the infrared ray emitting portion.
CHECK:
(a)

Clean the infrared ray emitting portion on the television
display assy.

(b)

Check whether the same malfunction occurs.

OK:
The function returns to normal.

OK

End.

NG

4

Replace switch assy.

CHECK:
Replace the switch assy and check if it operates normally.
OK:
Normal operation.

OK

End.

NG

Proceed to next circuit inspection shown in problem symptoms table (See page 

DI–2087

).