Toyota Cressida and Van 1983-1990

Start Injector Time Switch

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REMOVAL & INSTALLATION



  1. Locate the cold start injector time switch on the engine.
  2.  
  3. Remove the wiring harness leading to the switch.
  4.  
  5. Remove the time switch.
  6.  

To install:

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

TESTING





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Fig. Fig. 1 Cold start injector time switch wiring schematic

  1. Disconnect the start injector time switch electrical wiring.
  2.  
  3. Using an ohmmeter, measure the resistance between each terminal. The ohmmeter reading should read as follows:

    Between STA-STJ terminals: 24-40 omega with the coolant temperature below 86°F (30°C); 40-60 omega with the coolant temperature above 104°F (40°C)
     
    STA-Ground terminals: 20-80 omega
     

  4.  

 
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