Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 1998-2003 Approved FSM 05 abs ci49
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DI-243
DIAGNOSTICS - ANTI-LOCK BRAKE SYSTEM
DI046-17
DTC 49 Stop Light Switch Circuit
CIRCUIT DESCRIPTION
DTC No. DTC Detecting Condition Trouble Area
With IG1 terminal voltage at 9.5V-18.5V, and when ABS is
S Stop light switch
49 in non-operation stop light switch circuit is open for 0.3
S Stop light switch circuit
sec. or longer.
WIRING DIAGRAM
Driver Side J/B No. 1
Fusible Link Block
1 1 4
B-L 140A ALT 100A INP W-R W-R
F8 F9 1B
2 15A STOP
7 W
W-R
1B 1C
R11 Driver Side J/B No. 1
Stop Light RH J20 J/C Stop Light Switch
2 4
G-W G-W G-W
1S 1R
4 2 C C 1 2
Skid Control
ECU
5 17 18
G-W G-W STP
W-B 1R 3B 3B
5
FL R8
MAIN Stop Light LH J/B No.3
7 6 G-W
G-W G-W G-W
BB1 BD1
4 2 C C
H11
W-B High Mounted
Stop Light
3 6 7
W-B W-B G-W G-W
BD1 BD2 BD2
1 2
W-B
R10
W-B G-W
A A J22 J/C Stop Light RH
4 BB1 A W-B G-W
A 5 2
A
W-B W-B R9
Stop Light LH
W-B
W-B G-W
Battery
5 2
BK BM BN
F13447
2001 SIENNA (RM787U)
Author : Date : 397
DI-244
DIAGNOSTICS - ANTI-LOCK BRAKE SYSTEM
INSPECTION PROCEDURE
1 Check operation of stop light.
CHECK:
Check that stop light lights up when brake pedal is depressed and turns off when brake pedal is released.
NG Repair stop light circuit (See page BE-34 ).
OK
2 Check voltage between terminal STP of ABS actuator and body ground.
PREPARATION:
5 Disconnect ABS actuator connector.
CHECK:
Measure the voltage between terminal STP(5) of ABS actuator
harness side connector and body ground when brake pedal is
depressed.
OK:
Voltage: 8 - 14 V
F07878
OK Check and replace ABS actuator assembly.
NG
3 Check for open circuit in harness and connector between ABS actuator and stop
light switch (See page IN-31 ).
NG Repair or replace harness or connector.
OK
Proceed to next circuit inspection shown on
problem symptoms table (See page
DI-226 ).
2001 SIENNA (RM787U)
Author : Date : 398
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