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Toyota Corolla Repair Manual: Inspection procedure

Hint

:

1 Check other dtc output(in addition to dtc p0125)

  1. Connect the handheld tester or the obd ii scan tool to the dlc3.
  2.  turn the ignition switch on and push the handheld tester or the obd ii scan tool main switch on.
  3. select the item diagnosis / enhanced obd ii / dtc info / current codes.
  4.  read the dtcs.

Result:

Hint:

Hint

: if any other codes besides p0125 are output, perform the troubleshooting for those dtcs first.

2 Inspect thermostat

2 Inspect thermostat

Replace engine coolant temperature sensor

Replace engine coolant temperature sensor

Circuit description
Refer to dtc p0115 Dtc no. Dtc detection condition Trouble area P0125 If the engine coolant temperature (ect) was less than 6.6 C (20 F) when starting the e ...

Coolant thermostat (coolant temperature below thermostat regulating temperature)
Dtc p0128 coolant thermostat (coolant temperature below thermostat regulating temperature) Hint: this is the purpose of the thermostat malfunction detection. ...

Other materials:

General information
1. Basic dimensions (a) there are two types of dimensions in the diagram. (1) (Three-dimensional distance) straight-line distance between the centers of two measuring points. (2) (Two-dimensional distance) horizontal distance in forward/rearward direction between the centers o ...

Operating the touch screen
By touching the screen with your finger, you can control the multimedia system, etc. ■ Drag* Touch the screen with your finger, and move the screen to the desired position. ● Scrolling the lists ● Using scroll bar in lists ■ Flick* Touch the screen with your finger an ...

How to use this manual
1. Body panel replacement in this manual 2. Symbols 3. Illustration of weld point symbols ...

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