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Toyota Corolla Repair Manual: Sfi system

Engine control system
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Onvehicle inspection
1. Inspection throttle body idle speed control valve assy Notice: it is impossible to check the resister value and the operation of isc valve by itself, because the isc valve has an ic ci ...

Other materials:

Inspection procedure
1 Check wire harness(dlc3 airbag sensor assy center) Turn the ignition switch to the lock position.  disconnect the aribag sensor assy center connector.  measure the resistance according to the value(s) in the table below. Standard: 2 Check wire harness(cg of dlc3 ...

Changing the passkey
1 Select Passkey using . 2 Input a 4 to 8-digit passkey using . Input the number 1 digit at a time. 3 When the entire number to be registered as a passkey has been input, press again. If the passkey to be registered has 8 digits, pressing again is not necessary. ...

Circuit description
A thermistor is built in the engine coolant temperature sensor and changes the resistance value according to the engine coolant temperature. The structure of the sensor and connection to the ecm is the same as those of the intake air temperature sensor. Hint: if the ecm detects the dtc ...

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