Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 2004-2007 Approved SRM 04 05 20ag2 cirearbu
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05-1513
DIAGNOSTICS - TOYOTA PARK ASSIST SYSTEM 05BV5-02
REAR BUZZER CIRCUIT
WIRING DIAGRAM
Printed Wire Integration
Board Sub-assy (*1) Air Conditioner C9
Integration Panel sub-assy (*2) Amplifier Assy Clearance Warning ECU Assy
10 3
BZ R 16 BBZ
A11 A10
Rear (*1) (*2)
Buzzer 12
(*1) IG 40
A9 A9
(*2) IG+
(*1) (*2)
From Battery
J18
J/C
1 121 (*1) W-B 7 E
111 (*2)
W-B
IE
*1: Auto A/C
*2: Except *1
I35091
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1696
05-1514
DIAGNOSTICS - TOYOTA PARK ASSIST SYSTEM
INSPECTION PROCEDURE
1 CHECK HARNESS AND CONNECTOR(CLEARANCE WARNING ECU ASSY - AIR
CONDITIONER AMPLIFIER ASSY)
(a) Check for an open or short circuit in harness and connector between the clearance warning ECU assy
and air conditioner amplifier assy (See page 01-37 ).
NG REPAIR OR REPLACE HARNESS OR
CONNECTOR
OK
2 INSPECT REAR BUZZER
Auto A/C: (a) Remove the integration control & panel assy with connec-
tors being connected.
(b) Using a service wire, ground the terminal BZ of the in-
tegration control & panel assy connector.
(c) Turn the ignition switch ON.
(d) Check the rear buzzer sounds.
Standard:
BZ
Rear buzzer sounds
OK A
NG B (Auto A/C)
NG C (Manual A/C)
I35049
Manual A/C:
BZ
B Go to step 3
I35047
C Go to step 4
A
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE
(See page 05-1497 )
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1697
05-1515
DIAGNOSTICS - TOYOTA PARK ASSIST SYSTEM
3 INSPECT PRINTED WIRE INTEGRATION BOARD SUB-ASSY
(a) Check that the malfunction disappears when a proper printed wire integration board sub-assy is
installed (See page 55-23 ).
Standard: Malfunction disappears
NG REPLACE AIRCONDITIONER AMPLIFIER ASSY
(See page 55-23 )
OK
REPLACE PRINTED WIRE INTEGRATION BOARD SUB-ASSY (See page 55-23 )
4 INSPECT INTEGRATION PANEL SUB-ASSY
(a) Check that the malfunction disappears when a good integration panel sub-assy is installed (See page
55-23 ).
Standard: Malfunction disappears
NG REPLACE AIRCONDITIONER AMPLIFIER ASSY
(See page 55-23 )
OK
REPLACE INTEGRATION PANEL SUB-ASSY (See page 55-23 )
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1698
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