2002-2008 Toyota Alphard Van Brake Control System -> Speed Sensor User Manual
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Brake Control System -> Speed Sensor for Your Toyota Alphard Van First Generation (2002-2008)

Model Outline  
for Technician  
Engine  
Chassis  
Body  
Body Electrical  
Brake Control System  
Speed Sensor  
– Speed sensor type has been changed from passive  
type to active type  
Active Type  
(Semiconductor)  
Passive Type  
(Magnetic pick-up)  
Coil  
Magnetic  
Rotor  
Rotor  
MRE  
Yoke  
Magnet  
New ALPHARD  
Previous ALPHARD  
49  
Model Outline  
for Technician  
Engine  
Chassis  
Body  
Body Electrical  
Brake Control System  
Speed Sensor  
– MRE internal operation  
Constant Voltage Circuit  
+B  
Magnetic  
Rotor  
2
MRE  
Output  
Output  
1
4
+
-
2
4
MRE  
1
0
Comparator  
Output  
3
12V  
0V  
Output  
Comparator  
50  
Model Outline  
for Technician  
Engine  
Chassis  
Body  
Body Electrical  
Brake Control System  
Speed Sensor  
– Sensor output  
FL+  
Power supply (12V)  
MRE  
FL-  
51  
Model Outline  
for Technician  
Engine  
Chassis  
Body  
Body Electrical  
Brake Control System  
Speed Sensor  
– Signal output at extremely low speed rotation can be  
ensured  
Active Type  
(Semiconductor)  
Passive Type  
(Magnetic pick-up)  
No Detecting  
Time  
Time  
52  
Model Outline  
for Technician  
Engine  
Chassis  
Body  
Body Electrical  
Service Point (Brake Control System)  
Speed Sensor  
– Inspection procedure  
Skid Control ECU  
FL+  
12V  
FL- to GND  
MRE  
1.4V  
0.7V  
FL-  
100  
GND  
Low Speed  
High Speed  
53  

Related Topics

Brake Control System
Cooperative Control with EPS Service Point (Inspection Mode)

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