
05-1446
DIAGNOSTICS - REAR SEAT ENTERTAINMENT SYSTEM 05ATX-03
DISPLAY SCREEN NOT STABILIZED(SYNCHRONOUS ERROR)
WIRING DIAGRAM
Multi-display
R25 Controller
Television Display Assy Sub-assy
13
22 W
R R28 R2
W 14
21
G R28 G2
W 15
20
B R28 B2
16
19 W
SYNC R28 SYN2
17
18 GR
VR R28 VR2
18
17 (Shielded)
VG R28 VG2
I35021
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1629
05-1447
DIAGNOSTICS - REAR SEAT ENTERTAINMENT SYSTEM
INSPECTION PROCEDURE
1 CHECK HARNESS AND CONNECTOR(MULTI-DISPLA Y CONTROLLER
SUB-ASSY - TELEVISION DISPLAY ASSY)
(a) Disconnect the television display assy and multi-display
Television Display Assy:
controller sub-assy connectors.
(b) In order to check for an open circuit, measure the resis-
tance between the terminals, as shown in the chart.
Standard:
Tester connection Specified condition
VG - VG2 Below 1
VG VR - VR2 Below 1
SYNC - SYN2 Below 1
SYNC VR
(c) In order to check for a short circuit, measure the resis-
Multi-display Controller Sub-assy:
tance between the terminals, as shown in the chart.
Standard:
Tester connection Specified condition
VG - Body ground 10 k or higher
VR - Body ground 10 k or higher
SYNC - Body ground 10 k or higher
SYN2
VG2 VR2
I35960
NG REPAIR OR REPLACE HARNESS OR
CONNECTOR
OK
2 REPLACE TELEVISION DISPLAY ASSY
OK: Malfunction disappears
OK NORMAL
NG
REPLACE MULTI-DISPLA Y CONTROLLER SUB-ASSY
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1630