TOYOTA
SIENNA 2001 – VIDEO ENTERTAINMENT SYSTEM
Service Diagnostic Manual
Page 7 of 20 pages
SM
Check 1: Fuse Check
Turn OFF Ignition
Check RADIO FUSE #2 in instrument panel
fuse box. (Continuity/voltage test).
Go to next step.
Check RADIO FUSE #2 in instrument panel
fuse box. (Continuity/voltage test).
Disconnect VES power connections
from radio (see illustration on p.8).
Replace fuse again and turn on IG. Does
fuse blow?
Temporarily bypass FM Modulator
Noise Filter – connect FM Modulator di-
rectly to J4 (see illus. to right). Turn on
IG. Fuse OK?
Disconnect FM Modulator (behind radio.)
Turn on IG. Fuse OK?
Disconnect VCP (in center console). Turn on
IG. Fuse OK
Disconnect Monitor Assembly (see dia-
gram page 4). Turn on IG. Fuse OK?
Disconnect AUX board (in center console).
Turn on IG. Fuse OK
Replace VES Harness.
Troubleshoot vehicle electricval system.
Replace FM Modulator Power Harness.
Replace FM Modulator.
Check internal fuse on Bottom of VCP (in
center console).
Replace VCP unit.
Replace AUX board.
Replace fuse with Lillelfuse type 217 2A
rating or equivalent. Retest.
Replace Monitor Assembly.
FM Modulator Noise
Filter Cable
FM Modulator
Y
Y
Y
Y
Y
Y
N
N
N
N
N
N
N
N
NG
OK
N
J4b
J4a
J4