Toyota Cressida and Van 1983-1990

Water Thermo Sensor

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REMOVAL & INSTALLATION



  1. Locate the water thermo switch on the engine.
  2.  
  3. Remove the wiring harness leading to the switch.
  4.  
  5. Remove the water thermo switch.
  6.  

To install:

  1. Install the water thermo switch on the engine.
  2.  
  3. Attach the wiring to the end of the switch, start the engine and check operation.
  4.  

TESTING





Click image to see an enlarged view

Fig. Fig. 1 Cutaway view and resistance graph of the water temperature sensor

  1. Disconnect the electrical wiring to the water thermo sensor.
  2.  
  3. Using an ohmmeter, measure the resistance between both charts. Refer to the water thermo sensor resistance chart.
  4.  

 
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