Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 2004-2007 Approved SRM 04 05 21pl9 cirevers
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05-1358
DIAGNOSTICS - NAVIGATION SYSTEM 05CEL-11
REVERSE SIGNAL CIRCUIT
CIRCUIT DESCRIPTION
The radio and navigation assy receives a reverse signal from the park/neutral position switch and information
about the GPS antenna, and then adjusts vehicle position.
WIRING DIAGRAM
Radio and Navigation Assy
P1 Park/Neutral
Position Switch
from 11 87 J/C 117 1 5
R-B R-B R-B R-B
GAUGE II3 J19 J19 IG1 R12 REV
2 1
Fuse
I45238
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1541
05-1359
DIAGNOSTICS - NAVIGATION SYSTEM
INSPECTION PROCEDURE
1 INSPECT RADIO AND NAVIGATION ASSY
Wire Harness View: (a) Disconnect the radio and navigation assy connector R12.
(b) Measure the resistance according to the value(s) in the
table below.
R12 Standard:
Tester connection Condition Specified condition
Ignition switch is ON.
REV REV - Body ground Shift lever is moved to R 10 to 14 V
position.
I35924
Ignition switch is ON.
REV - Body ground Shift lever is moved to Below 1 V
any position except R.
OK REPLACE RADIO AND NAVIGATION ASSY
(SEE PAGE 67-9 )
NG
2 CHECK HARNESS AND CONNECTOR(RADIO AND NAVIGATION ASSY - PARK/
NEUTRAL POSITION SWITCH ASSY)
Radio and Navigation Assy (a) Disconnect the radio and navigation assy connector R12
Wire Harness View: and park/neutral position switch assy connector P1.
(b) Measure the resistance according to the value(s) in the
table below.
R12 Standard:
Tester connection Condition Specified condition
REV - P1-1 Always Below 1
REV REV - Body ground Always 10 k or higher
I35924
Park/Neutral Position Switch
Connector Front View:
P1
NG REPAIR OR REPLACE HARNESS OR
I36918
CONNECTOR
OK
GO TO "P0705" IN ELECTRONIC CONTROLLED AUTOMATIC TRANSAXLE (SEE PAGE 05-555 )
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1542
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