Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 2004-2007 Approved SRM 04 05 20ahm ciskidco
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05-522
DIAGNOSTICS - ABS WITH EBD & BA & TRAC & VSC SYSTEM 05CCJ-02
SKID CONTROL BUZZER CIRCUIT
CIRCUIT DESCRIPTION
The skid control buzzer sounds during the VSC operation.
WIRING DIAGRAM
Skid Control ECU
J18 V6 With Actuator
J/C VSC Warning Buzzer J/C
8 22 30
B-R B-R G-O G-O
Buzzer J6 J5 S3 BZ
87 128 (*1) 2 1
118 (*2)
Driver Side J/B
23 ECU-IG
1L
IG1 Relay
1
W
1A
5 3
29 16
B-Y W-B
1H 1L
2 1 I15
Ignition SW
AM1 10
W-L
1H
1 AM1 IG1 2
B-Y
FL Block
1 1 FL MAIN
W W
F7 F6
ALT
Battery IE
*1: Automatic A/C
*2: Except *1
F45125
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 705
05-523
DIAGNOSTICS - ABS WITH EBD & BA & TRAC & VSC SYSTEM
INSPECTION PROCEDURE
Start the inspection from step 1 if you are using the hand-held tester and start from step 2 if you are not using
the hand-held tester.
1 PERFORM ACTIVE TEST BY HAND-HELD TESTER(SKID CONTROL BUZZER)
(a) Connect the hand-held tester to the DLC3.
(b) Start the engine.
(c) Select the item "VSC/BR WARN BUZ" in the ACTIVE TEST and operate the skid control buzzer with
the hand-held tester.
(d) Check that skid control buzzer sounds "ON" and "OFF" with the hand-held tester.
OK REPLACE ABS & TRACTION ACTUATOR ASSY
(See page 32-46 )
NG
2 INSPECT SKID CONTROL BUZZER ASSY
(a) Disconnect the skid control buzzer connector.
2
(b) Apply battery positive voltage to the terminals 1 and 2 of
1 the skid control buzzer connector, check that the buzzer
(+) (-)
sounds.
F02192 NG REPLACE SKID CONTROL BUZZER ASSY
OK
3 CHECK HARNESS AND CONNECTOR(SKID CONTROL BUZZER - SKID
CONTROL ECU, SKID CONTROL BUZZER - BODY GROUND)
(a) Check for an open or short circuit in harness and connector between the skid control buzzer and skid
control ECU, skid control buzzer and body ground (See page 01-37 ).
NG REPAIR OR REPLACE HARNESS OR
CONNECTOR
OK
REPLACE ABS & TRACTION ACTUATOR ASSY(See page 32-46 )
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 706
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