Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 2004-2007 Approved SRM 04 05 20tq5 cib1262
<< 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 cib1262 documenatation <<
Text preview - extract from the document
05-1915
DIAGNOSTICS - MULTIPLEX COMMUNICATION SYSTEM 05BTI-02
DTC B1262 A/C ECU COMMUNICATION STOP
CIRCUIT DESCRIPTION
DTC B1262 is output when communication between the A/C ECU and the body ECU stops for more than 10
seconds.
DTC No. DTC Detection Condition Trouble Area
S A/C amplifier assy (A/C ECU)
B1262 A/C ECU communication stops
S Wire harness
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 2098
05-1916
DIAGNOSTICS - MULTIPLEX COMMUNICATION SYSTEM
WIRING DIAGRAM
A/C Amplifier Assy
(A/C ECU)
Instrument Panel J/B Assy J19
J/C
24 7 11
W-L W-L 54 64 W-L
1C 1L A9 +B
Combination Meter
Engine Room J/B Assy
28 32 62 2
8 2C V V
MPX- C10 A9 MPX+
ECU-B
2 ECM
18 3
R-L 90 70 R-L
1 Short Pin MPX1 E5 A9 MPX-
1 2D
W
1
1 F8 W-B
A9 GND
FL Block
1 F6
W
111
FL
J18
Main
J/C
1
Battery W-B
IE
B67671
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 2099
05-1917
DIAGNOSTICS - MULTIPLEX COMMUNICATION SYSTEM
INSPECTION PROCEDURE
1 CHECK RESISTANCE OF COMMUNICATION LINE
(a) Disconnect the A9 A/C ECU, C10 meter and E5 ECM con-
Wire Harness Side
nectors.
(b) Check the resistance between the wire harness side con-
A9 nectors.
A/C Amplifier Assy
Standard:
(A/C ECU)
Terminal No. Specified Condition
A9-2 (MPX+) - C10-28 (MPX-) Below 1
A9-3 (MPX-) - E5-18 (MPX1) Below 1
C10
Combination Meter
E5
ECM
NG REPAIR OR REPLACE HARNESS AND
B67684 CONNECTOR
OK
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 2100
05-1918
DIAGNOSTICS - MULTIPLEX COMMUNICATION SYSTEM
2 CHECK AIRCONDITIONER AMPLIFIER ASSY (A/C ECU)
(POWER SOURCE)
Wire Harness Side (a) Disconnect the A9 ECU connector.
(b) Check the voltage between the wire harness side con-
A9
A/C Amplifier Assy
nector and body ground.
(A/C ECU) Standard:
Terminal No. Specified Condition
A9-1 1 (+B) - Body ground 10 to 14 V
NG REPAIR OR REPLACE HARNESS AND
B68234 CONNECTOR
OK
3 CHECK AIRCONDITIONER AMPLIFIER ASSY (A/C ECU)
(GROUND)
Wire Harness Side (a) Disconnect the A9 ECU connector.
(b) Check the resistance between the wire harness side con-
A9
A/C Amplifier Assy nector and body ground.
(A/C ECU) Standard:
Terminal No. Specified Condition
A9-1 (GND) - Body ground Below 1
NG REPAIR OR REPLACE HARNESS AND
B68234 CONNECTOR
OK
REPLACE AIRCONDITIONER AMPLIFIER ASSY
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 2101
◦ Jabse Service Manual Search 2026 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo