Toyota Sequoia (2005). Manual - part 584

I28666

Multi–display 
Controller Sub–assy

R21

12

R21

11

R21

10

BR

BR

AUXR

AUXL

SG6

1

2

3

(Shielded)

V10
VTR Terminal

AUXR

AUXL

SG7

–

DIAGNOSTICS

REAR SEAT ENTERTAINMANT SYSTEM

DI–2131

2325

Sound signal circuit (Multi–display controller sub–assy – VTR ter-
minal)

CIRCUIT DESCRIPTION

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

WIRING DIAGRAM

DIDBF–01

I28321

I28327

VTR Terminal:

Multi–display Controller Sub–assy:

SG6

V10

R21

AUXL

AUXR

AUXR

AUXL

SG7

DI–2132

–

DIAGNOSTICS

REAR SEAT ENTERTAINMANT SYSTEM

2326

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

SG6 (V10–3) – SG7 (R21–10)

Always

Below 1 

Ω

AUXR (V10–1) – AUXR (R21–12)

Always

Below 1 

Ω

AUXL (V10–2) – AUXL (R21–11)

Always

Below 1 

Ω

AUXR (V10–1) – Body ground

Always

10 k

Ω 

or higher

AUXL (V10–2) – Body ground

Always

10 k

Ω 

or higher

SG6 (V10–3) – 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

).

I28668

HP1R

HP1L

SG5

R21

9

R21

8

R21

7

BR

BR

HPR

HPL

SGND

1

2

3

(Shielded)

H10
Headphone Terminal LH

Multi–display 
Controller Sub–assy

HP2R

HP2L

SG6

R21

21

R21

20

R21

19

BR

BR

HPR

HPL

SGND

1

2

3

(Shielded)

H11
Headphone Terminal RH

–

DIAGNOSTICS

REAR SEAT ENTERTAINMANT SYSTEM

DI–2133

2327

Sound signal circuit (Multi–display controller sub–assy – Head-
phone terminal)

CIRCUIT DESCRIPTION

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

WIRING DIAGRAM

DIDBG–01

I28333

Headphone Terminal:

Multi–display Controller Sub–assy:

SG5

HP1L

HP1R

SG6

HP2L

HP2R

R21

H10

H11

HPR

HPL

SGND

DI–2134

–

DIAGNOSTICS

REAR SEAT ENTERTAINMANT SYSTEM

2328

INSPECTION PROCEDURE

1

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

PREPARATION:
Disconnect the H10 (H11) and R21 connectors.
CHECK:
Measure the resistance according to the value(s) in the table
below.
OK:

Symbol (Tester connection)

Condition

Specified condition

HPR (H10–1) – HP1R (R21–9)

Always

Below 1 

Ω

HPL (H10–2) – HP1L (R21–8)

Always

Below 1 

Ω

HPR (H11–1) – HP2R (R21–21)

Always

Below 1 

Ω

HPL (H11–2) – HP2L (R21–20)

Always

Below 1 

Ω

SGND (H10–3) – SG5 (R21–7)

Always

Below 1 

Ω

SGND (H11–3) – SG6 (R21–19)

Always

Below 1 

Ω

HPR (H10–1, H11–1) – Body ground

Always

10 k

Ω 

or higher

HPL (H10–2, H11–2) – Body ground

Always

10 k

Ω 

or higher

SGND (H10–3, H11–3) – Body ground

Always

10 k

Ω 

or higher

SGND (H10–3) – Body ground

Always

10 k

Ω 

or higher

SGND (H11–3) – 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

).