Toyota Sequoia (2005). Manual - part 585

I28593

(Shielded)

(Shielded)

R22

5

6

3

4

2

5

17

16

19

18

20

R22

R22

R22

IF4

ID2

R22

L+

SGND

W

W

W

W

6

IF4

3

IF4

4

IF4

2

IF4

ID2

ID2

ID2

ID2

(Shielded)

R25
Television Display Assy

Multi–display 
Controller Sub–assy

L–

R+

R–

HPL+

SLD1

HPL–

HPR+

HPR–

W

W

W

W

W

W

W

W

5

6

3

4

2

–

DIAGNOSTICS

REAR SEAT ENTERTAINMANT SYSTEM

DI–2135

2329

Sound signal circuit (Multi–display controller sub–assy – Televi-
sion display assy)

CIRCUIT DESCRIPTION

This is the sound signal circuit from the television display assy to the multi–display controller sub–assy.

WIRING DIAGRAM

DIDBH–01

I28332

Television Display Assy:

Multi–display Controller Sub–assy:

HPL–

HPL+

HPR+

HPR–

SLD1

SGND

R+

R–

L+

L–

R22

R25

DI–2136

–

DIAGNOSTICS

REAR SEAT ENTERTAINMANT SYSTEM

2330

INSPECTION PROCEDURE

1

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

PREPARATION:
Disconnect the R22 and R25 connectors.
CHECK:
Measure the resistance according to the value(s) in the table
below.
OK:

Symbol (Tester connection)

Condition

Specified condition

HPR+ (R22–19) – R+ (R25–3)

Always

Below 1 

Ω

HPR– (R22–18) – R– (R25–4)

Always

Below 1 

Ω

HPL+ (R22–17) – L+ (R25–5)

Always

Below 1 

Ω

HPL– (R22–16) – L– (R25–6)

Always

Below 1 

Ω

SLD1 (R22–20) – SGND (R25–2)

Always

Below 1 

Ω

HPR+ (R22–19) – Body ground

Always

10 k

Ω 

or higher

HPR– (R22–18) – Body ground

Always

10 k

Ω 

or higher

HPL+ (R22–17) – Body ground

Always

10 k

Ω 

or higher

HPL– (R22–16) – Body ground

Always

10 k

Ω 

or higher

SLD1 (R22–20) – 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

).

I28669

AR+

AR–

AL+

AL–

SG4

(Shielded)

R22

6

7

8

9

5

5

4

3

2

6

R22

R22

R22

R22

R+

R–

L+

L–

SLD

W

W

W

W

D23
Disc Player Controller

Multi–display 
Controller Sub–assy

–

DIAGNOSTICS

REAR SEAT ENTERTAINMANT SYSTEM

DI–2137

2331

Sound signal circuit (Multi–display controller sub–assy – Disc
player controller)

CIRCUIT DESCRIPTION

This is the sound signal circuit from the disc player controller to the multi–display controller sub–assy.

WIRING DIAGRAM

DIDBI–01

I28330

Disc Player Controller:

Multi–display Controller Sub–assy:

R+

L+

R–

L–

SLD

AL+

AR+

AR–

SG4

AL–

D23

R22

DI–2138

–

DIAGNOSTICS

REAR SEAT ENTERTAINMANT SYSTEM

2332

INSPECTION PROCEDURE

1

Check harness and connector (Multi–display controller sub–assy – Disc player
controller).

PREPARATION:
Disconnect the R22 and D23 connectors.
CHECK:
Measure the resistance according to the value(s) in the table
below.
OK:

Symbol (Tester connection)

Condition

Specified condition

L– (D23–9) – AL– (R22–2)

Always

Below 1 

Ω

L+ (D23–8) – AL+ (R22–3)

Always

Below 1 

Ω

R– (D23–7) – AR– (R22–4)

Always

Below 1 

Ω

R+ (D23–6) – AR+ (R22–5)

Always

Below 1 

Ω

SLD (D23–5) – SG4 (R22–6)

Always

Below 1 

Ω

L– (D23–9) – Body ground

Always

10 k

Ω 

or higher

L+ (D23–8) – Body ground

Always

10 k

Ω 

or higher

R– (D23–7) – Body ground

Always

10 k

Ω 

or higher

R+ (D23–6) – Body ground

Always

10 k

Ω 

or higher

SLD (D23–5) – 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

).