Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 2004-2007 Approved SRM 04 05 20ahm cislipin
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05-520
DIAGNOSTICS - ABS WITH EBD & BA & TRAC & VSC SYSTEM 05CCI-01
SLIP INDICATOR LIGHT CIRCUIT
CIRCUIT DESCRIPTION
The SLIP indicator blinks during the TRAC & VSC operation.
WIRING DIAGRAM
Skid Control ECU
ECM with Actuator
25 J/C 10 8
27
LG-B LG-B
TRC+ E4 J4 J3 S3 TRC+
31 26 9 22
LG-R LG-R
TRC- E4 J4 J3 S3 TRC-
Airbag Sensor Assembly Body ECU
Driver Side J/B Driver Side J/B
29 32 6 24 22 7
V R-L MPX1 R-L
MPX2 E5 1H 1E A21 A21 1E MPX1
MPX2 14
A9 21
R-L
J19 A/C Control Assembly J19 B7 MPX2
18 J/C 3 2 J/C
R-L R-L MPX- V C10
MPX1 E5 A9 A9 J19
90 70 62 32 Combination Meter
MPX+ J/C
R-L
13 33 29
I15
Driver Side J/B
Ignition SW V 28
27 GAUGE 2 25
W-R B B-R
1H 1H
5 AM2 IG2 6 J19 J/C
24 7
W-L W-L W-L
1C 1L Slip
54 34
Engine Room J/B
B-R
W-L 8 ECU-B Short Pin 1 32
W
2C 2D
2 1 12
16 J/C 33 1 AM2
W-R
J4 J3 2H
W-R 2 1
FL Block
FL MAIN 1 1
W W
F6 F8
Battery
2005 SIENNA REPAIR MANUAL (RM1163U) F45130
Author : Date : 703
05-521
DIAGNOSTICS - ABS WITH EBD & BA & TRAC & VSC SYSTEM
INSPECTION PROCEDURE
HINT:
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(SLIP INDICATOR LIGHT)
(a) Connect the hand-held tester to the DLC3.
(b) Start the engine.
(c) Select the item "SLIP INDI LIGHT" in the ACTIVE TEST and operate the SLIP indicator light with the
hand-held tester.
(d) Check that "ON" and "OFF" of the SLIP indicator light is shown on the combination meter by the hand-
held tester.
OK REPLACE ABS & TRACTION ACTUATOR ASSY
(See page 32-46 )
NG
2 INSPECT MULTIPLEX COMMUNCATION SYSTEM(See page 05-1876 )
NG REPAIR MULTIPLEX COMMUNCATION
SYSTEM
OK
3 CHECK HARNESS AND CONNECTOR(ECM - SKID CONTROL ECU)
(a) Check for an open or short circuit in harness and connector between terminals TRC+ and TRC- of the
ECM and terminals TRC+ and TRC- of the skid control ECU (See page 01-37 ).
NG REPAIR OR REPLACE HARNESS OR
CONNECTOR
OK
4 INSPECT COMBINATION METER ASSEMBLY(SLIP INDICATOR LIGHT)
(See page 71-1 )
NG REPAIR OR REPLACE COMBINATION METER
ASSEMBLY
OK
REPLACE ABS & TRACTION ACTUATOR ASSY(See page 32-46 )
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 704
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