Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 1998-2003 Approved FSM 05 abswebdb cic02003
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DI-275
DIAGNOSTICS - ABS WITH EBD & BA & TRAC & VSC SYSTEM
DI6NX-02
CIRCUIT INSPECTION
DTC C0200 / 31 - C1331 / 36 Speed Sensor Circuit
DTC C1332 / 38, C1333 / 39 Speed Sensor Circuit
CIRCUIT DESCRIPTION
The speed sensor detects a wheel speed and sends the ap-
Speed Sensor propriate signals to the ECU. These signals are used to control
Rotor N S Magnet of the ABS and VSC system. Each of the front and rear rotors
Coil
has 48 serrations.
To ECU When the rotors rotate, a magnetic field emitted by a permanent
magnet in the speed sensor generates an AC voltage. Since
the frequency of this AC voltage changes in direct proportion to
Low Speed
the speed of the rotor, the frequency is used by the ECU to de-
High Speed tect the speed of each wheel.
+V
BR3583 -V F00010
BR3582
DTC No. DTC Detecting Condition Trouble Area
When any of the following 1. to 3. is detected :
1. Vehicle speed is more than 40 km/h (25 mph), pulses
are not input for 0.01 sec.
C0200 / 31 S Right front, left front, right rear, left rear speed sensor
2. After the initial start or restart and when the vehicle
C0205 / 32 S Each speed sensor circuit
speed has reached 12 km/h (7 mph), the wheel speed of
C0210 / 33 S Sensor installation
0 km/h (0 mph) is detected.
C0215 / 34 S Speed sensor rotor
3. After the initial start or restart and when the vehicle
speed has reached 18 km/h (11 mph), the front wheel
speed of 0 km/h (0 mph) is detected.
C1330 / 35
C1331 / 36 Detecting abnormality in the resistance value of each speed S Right front, left front, right rear, left rear speed sensor
C1332 / 38 sensor. S Each speed sensor circuit
C1333 / 39
HINT:
S DTC No. C0200 / 31 and C1330 / 35 are for the right front speed sensor.
S DTC No. C0205 / 32 and C1331 / 36 are for the left front speed sensor.
S DTC No. C0210 / 33 and C1332 / 38 are for the right rear speed sensor.
S DTC No. C0215 / 34 and C1333 / 39 are for the left rear speed sensor.
2001 SIENNA (RM787U)
Author : Date : 429
DI-276
DIAGNOSTICS - ABS WITH EBD & BA & TRAC & VSC SYSTEM
WIRING DIAGRAM
4
(Shielded) (Shielded)
IK5
Skid Control ECU
7
BR BR 72
IK5 FR+
1
ABS Speed
Sensor
Front RH 3
2 Y Y 71 FR-
IK5
(Shielded)
L 64
FL+
1
ABS Speed
Sensor
Front LH
2 P 65
FL-
(Shielded) (Shielded) (Shielded)
8 2
W W W 66
BA2 IC2 RR+
2
ABS Speed
Sensor
Rear RH 9 10
1 B B B 67
BA2 IC2 RR-
2 3
R R R 68
BA2 IC2 RL+
2
ABS Speed
Sensor
Rear LH 6 11
1 G G G 69
BA2 IC2 RL-
10 9 BR
BR-W
BA2 IC2
(Shielded) BR
7 ED
BR-W
BA2
F13449
2001 SIENNA (RM787U)
Author : Date : 430
DI-277
DIAGNOSTICS - ABS WITH EBD & BA & TRAC & VSC SYSTEM
INSPECTION PROCEDURE
HINT:
Start the inspection from step 1 in case of using the TOYOTA hand-held tester and start from step 2 in case
of not using the TOYOTA hand-held tester.
1 Check output value of speed sensor.
PREPARATION:
(a) Connect the TOYOTA hand-held tester to the DLC3.
(b) Turn the ignition switch ON and push the TOYOTA hand-held tester main switch ON.
(c) Select the DATALIST mode on the TOYOTA hand-held tester.
CHECK:
Check that there is no difference between the speed value output from the speed sensor displayed on the
TOYOTA hand-held tester and the speed value displayed on the speedometer when driving the vehicle.
OK:
There is almost no difference from the displayed speed value.
HINT:
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