Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Echo 2000-2002 Approved techinfo.toyota.com ileaf 02toyrm 02toypdf 02rmsour 2002 02echorm di abs cic0200t
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DI-209
DIAGNOSTICS - ANTI-LOCK BRAKE SYSTEM
DI6SL-02
CIRCUIT INSPECTION
DTC C0200 / 31 to C0215 / 34 Speed Sensor Circuit
CIRCUIT DESCRIPTION
The speed sensor detects 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 system. The front and rear rotors each have 48
Coil
serrations.
To ECU When the rotors rotate, the magnetic field emitted by the perma-
nent magnet in the speed sensor generates an AC voltage.
Since the frequency of this AC voltage changes in direct propor-
Low Speed
tion to the speed of the rotor, the frequency is used by the ECU
High Speed to detect the speed of each wheel.
+V
BR3583 -V F00010
BR3582
DTC No. DTC Detecting Condition Trouble Area
Detection of any of conditions from 1. through 4.:
C0200 / 31 1. With vehicle speed at 10 km/h or more, sensor signal
S Right front, left front, right rear, left rear speed sensor
C0205 / 32 circuit of faulty wheel is open or short for 30 sec. or long-
S Each speed sensor circuit
C0210 / 33 er.
S Sensor installation
C0215 / 34 2. Momentary interruption of sensor signal of faulty wheel
S Sensor rotor
has occurred 7 times or more.
3. Sensor signal circuit is open for 0.2 sec. or longer.
HINT:
S DTC No. C0200 / 31 is for the right front speed sensor.
S DTC No. C0205 / 32 is for the left front speed sensor.
S DTC No. C0210 / 33 is for the right rear speed sensor.
S DTC No. C0215 / 34 is for the left rear speed sensor.
2002 ECHO (RM884U)
Author : Date : 379
DI-210
DIAGNOSTICS - ANTI-LOCK BRAKE SYSTEM
WIRING DIAGRAM
ABS Actuator with ECU
27
B
A4 FR+
1
Right
Front
Speed
Sensor 28
2 W
A4 FR-
13
R
A4 FL+
1
Left
Front
Speed
Sensor 26
2 G
A4 FL-
1 5 5
W L L
BD1 IC1 A4 RR+
1
Right
Rear
Speed
Sensor 2 2 2 4
B R R
BD1 IC1 A4 RR-
1 11 7
W L L
BC1 IC1 A4 RL+
1
Left
Rear
Speed
Sensor 2 3 6
2 B P P
BC1 IC1 A4 RL-
F09226
2002 ECHO (RM884U)
Author : Date : 380
DI-21 1
DIAGNOSTICS - ANTI-LOCK BRAKE 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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