F13459
FL Main
ED
BRAKE
Active Light Relay
Skid Control ECU
J/B No. 3
Translate ECU
Engine Room J/B No. 2
Battery
Driver Side J/B No. 1
Fusible Link Block
Combination Meter
I12
Ignition Switch
Parking Brake Switch
Brake Fluid Level
Warning Switch
V14
2
R-W
V14
V14
T10
3B
3B
C9
C10
2D
2L
1D
1K
1B
1K
J3
J2
Driver Side J/B No. 1
BR
R
R
Y-R
R
GR
GR
B-Y
W-L
W
W
B-L
GR
Y-R
32
16
40
15
25
11
Y-G
GR-G
16
2
D
D
D
3
8
4
9
5
D
D
A
A
2
1
4
2
1
2
1
2
2
2
4
1
A
A
W-B
1
P3
R-W
IJ
140A
100A
ALT
INP
40A AM1
10A GAUGE
J18
J/C
8
9
1
W-B
J/C
J17
J/C
J8
J/C
E
BRL
EBDW
EBDW
PKB
LBL
PKB
LBL
LVL2
BRL
PKB2
T10
T10
T10
T10
-
DIAGNOSTICS
ABS WITH EBD & BA & TRAC & VSC SYSTEM
DI-339
493
Author:
Date:
2001 SIENNA (RM787U)
BRAKE Warning Light Circuit
CIRCUIT DESCRIPTION
The BRAKE warning light lights up when the brake fluid is insufficient, when the parking brake is ap-
plied or when the EBD is defective.
If the translate ECU detects trouble, it makes VSC warning light lights up while prohibiting VSC & TRAC
control. At this time, the ECU records a DTC in memory. Connect terminals Tc and E
1
of the DLC1 or
Tc and CG of the DLC3 to make BRAKE warning light blink and output the DTC.
WIRING DIAGRAM
DI8AZ-01
Содержание RM787U
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