Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 2004-2007 Approved SRM 04 05 202xg cilt71
<< Back | HomeMost service manuals and schematics are PDF files, so You will need Adobre Acrobat Reader to view : Acrobat Download Some of the files are DjVu format. Readers and resources available here : DjVu Resources
For the compressed files, most common are zip and rar. Please, extract files with Your favorite compression software ( WinZip, WinRAR ... ) before viewing. If a document has multiple parts, You should download all, before extracting.
Good luck. Repair on Your own risk. Make sure You know what You are doing.
Image preview - the first page of the document
>> Download cilt71 documenatation <<
Text preview - extract from the document
05-1 176
DIAGNOSTICS - LIGHTING SYSTEM 05BVY-02
FRONT FOG LIGHT CIRCUIT
CIRCUIT DESCRIPTION
The Multiplex network body ECU controls FOG relay when signal is received from headlamp dimmer switch
assy.
WIRING DIAGRAM
Multiplex Network Body ECU
Driver Side Junction Block
1
W
1A
1
R-W
1C
FOG Relay
12 FOG TAIL Relay
R-W
1C TRLY
3 5 1 2 7
11 28 7
R G
1C 1H B8 FFGO
1 2
H6
Headlamp Assy LH (Low)
R(*1) W-B(*1)
J2 H3 2 1
J/C Headlight Control ECU LH
R R(*2) W-B(*2)
B B F1 2 1 J1
Front Fog light LH J/C
R-W W-B
F2 1 2 J27 A A
Front Fog light RH JC
R-W W-B W-B
Fusible Link Block 1 2 B B
1 1 W-B
ALT FL MAIN
F6 W
F7
W-B
Battery EA EA ED
*1: w/o HID
*2: w/ HID
E68121
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1359
05-1 177
DIAGNOSTICS - LIGHTING SYSTEM
INSPECTION PROCEDURE
HINT:
Start the inspection from step 1 in the case of using the hand-held tester, and start from step 2 in the case
of not using the hand-held tester.
1 PERFORM ACTIVE TEST USING HAND-HELD TESTER
(a) Connect the hand-held tester to DLC3.
(b) Turn the ignition switch ON and push the hand-held tester main switch ON.
(c) Select the item below in the ACTIVE TEST and then check that the relay operates.
Item Test Details Diagnostic Note
F FOG LIGHT RLY Turn Front fog light relay ON/OFF -
OK PROCEED TO NEXT CIRCUIT INSPECTION
SHOWN ON PROBLEM SYMPTOMS TABLE
(See page 05-1 131)
NG
2 INSPECT FOG LAMP RELAY
(a) Inspect fog lamp relay continuity.
Standard:
Condition Tester connection Specified condition
Always 1-2 Continuity
Always 3-5 No continuity
Apply B+ between
3-5 Continuity
the terminal 1 and 2
B16200
NG REPLACE FOG LAMP RELAY
OK
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1360
05-1 178
DIAGNOSTICS - LIGHTING SYSTEM
3 INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSY
(a) Measure voltage between the terminal B8-7 of the multiplex network body ECU in the instrument panel
junction block assy and body ground.
Standard:
Tester connection Condition Specified condition
Light control switch TAIL and
B8-7 - Body ground Below 1 V
Fog lamp switch ON
Light control switch TAIL and
B8-7 - Body ground 10 to 14 V
Fog lamp switch ON
B8
E67349
NG PROCEED TO NEXT CIRCUIT INSPECTION
SHOWN ON PROBLEM SYMPTOMS TABLE
(See page 05-1 131)
OK
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1361
05-1 179
DIAGNOSTICS - LIGHTING SYSTEM
4 INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSY
(a) Measure voltage between each of the terminals as shown in the chart below.
Standard:
Tester connection Condition Specified voltage
Light control switch TAIL and
1C-1 - Body ground Below 1 V 10 to 14 V
front fog lamp switch is OFF
Light control switch TAIL and
1C-12 - Body ground Below 1 V 10 to 14 V
front fog lamp switch is OFF
Light control switch TAIL and
1C-28 - Body ground 10 to 14 V Below 1 V
front fog lamp switch is OFF
Instrument Panel Junction Block Assy
Front Side:
1C
E67348
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1362
05-1 180
DIAGNOSTICS - LIGHTING SYSTEM
Instrument Panel Junction Block Assy
Back Side:
1H
E67349
NG PROCEED TO NEXT CIRCUIT INSPECTION
SHOWN ON PROBLEM SYMPTOMS TABLE
(See page 05-1 131)
OK
REPAIR OR REPLACE HARNESS OR CONNECTOR
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1363
◦ Jabse Service Manual Search 2026 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo