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2.

 User’s manual (provisionally)

 

 

   

 

 

Tire inflation pressure warning light 

  This light illuminates if the inflation pressure of any tire (except for compact spare tire) drops while the 

ignition key is in the  “ON” position. It normally illuminates when the ignition key is turned to the  “ON” 

position and goes off a few seconds later. 

 

If the warning light illuminates while driving 

Avoiding hard braking, hard steering, and high speeds, drive to the nearest gas station or authorize car dealer 

and adjust the tire inflation pressures.(except for comp act spare tire) 

 

If the warning light blinking while driving 

It is thought abnormality of the device, go to the check to the nearest car dealer as soon as possible. 

 

Whenever the tires and wheels are replaced with new ones 

  Tire inflation pressure sensors must be fitted on the new wheels and their ID codes must be programmed into 

the system. Have tire and wheel replacement performed by an authorized car dealer to avoid the risk of 

damaging the tire inflation pressure sensors. 

 

C A U T I O N

 

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If the tire inflation pressure warning-light does not illuminate when the ignition key is turned to the “ON” 

position the system may be faulty. 

·

 

If the tire inflation pressure  warning light illuminates while you are driving, avoid hard braking, hard 

steering, and high speeds. Otherwise, you could make the vehicle unstable and have a serious accident. 

·

 

The tire inflation pressure warning light may not illuminate immediately in the event of a tire blowout or 

rapid leak.. 

Warning light 

Summary of Contents for OKA-450R

Page 1: ...OKA 450R P N 96486309 P N 96486310 Receiver Tire Pressure Monitoring System...

Page 2: ...ed in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipm...

Page 3: ...ssure Monitoring System for vehicle 2 2 User s manual provisionally 3 3 Block diagram 4 4 Specification 5 5 Features 6 6 PCB 6 1 Parts layout front 7 6 2 Pattern layout front 8 6 3 Parts list 10 7 Con...

Page 4: ...the receiver detects the synchronous code and IG is ON it runs continuously to receive the signals completely If the received code is normal the system will not inform the user As shown below in the...

Page 5: ...ck to the nearest car dealer as soon as possible Whenever the tires and wheels are replaced with new ones Tire inflation pressure sensors must be fitted on the new wheels and their ID codes must be pr...

Page 6: ...ock diagram concerning to the receiver 10 178125 MHz 8 MHz Figure 3 1 block diagram of the receiver 16BIT CPU RECEIVING MODULE EEPROM POWER SOURCE 5V data OUTPUT CIRCUIT input output Signal of vehicle...

Page 7: ...er ch 16bit x 1 8bit x 4 DMAC ch Serial I O Clock Sync UART x 2 A D converter 10bit x 12 2 ch D A converter 8bit x 1 External Interrupts sources 8 CRC Operation Circuit Watchdog Timer Avl CAN ch 1 Spe...

Page 8: ...20mA Operation temperature 30 85 5 Features Battery saving The receiver works intermittently to reduce the battery consumption The microcomupter embedded on the receiver controlls the power supply for...

Page 9: ...8 6 Connector This is the pin assignment of the connector Figure 6 4 1 the shape of the connector Figure 6 4 2 This is the pin assignment of the connector...

Page 10: ...g with the OKA 210T model which send the data when Tire Pressure is less than 210 kPa the part number 96486309 is assigned 96486310 When OKA 450R Receiver is using with the OKA 220T model which send t...

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