LINE PRESSURE CONTROL SOLENOID INSPECTION [AY6A-EL, AY6AX-EL]

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  Caution
  • Water or foreign objects entering the connector can cause a poor connection or corrosion. Be sure not to drop water or foreign objects on the connector when disconnecting it.
  • Do not damage the terminals.

On-Vehicle Inspection

1. Disconnect the negative battery cable.

2. Remove the fresh-air duct and air cleaner component as a single unit. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [MZI-3.7].)

3. Remove the TCM. (See TCM REMOVAL/INSTALLATION [AY6A-EL, AY6AX-EL].)

4. Measure the resistance between coupler component terminals B1 and B3.

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  • If there is any malfunction, inspect the coupler component for continuity. (See COUPLER COMPONENT INSPECTION [AY6A-EL, AY6AX-EL].)
  • If coupler component has no malfunction, perform the “Off-Vehicle Inspection“. (See Off-Vehicle Inspection.)

Line pressure control solenoid specification

ATF temperature (°C {°F}) | Resistance (ohm)
--- | ---
20 {68} | 5.0—5.6

Off-Vehicle Inspection

Resistance inspection

1. Measure the resistance line pressure control solenoid terminals A and B.

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  • If there is any malfunction, replace the control valve body.

Line pressure control solenoid specification

Ambient temperature (°C {°F}) | Resistance (ohm)
--- | ---
20 {68} | 5.0—5.6

Operation inspection

  Caution
  • Do not apply battery positive voltage to terminals for more than 3 s.

  Note
  • Because the operation sound of the line pressure control solenoid is small, perform inspection in a quiet place.

1. Connect the positive battery terminal to terminal B of line pressure control solenoid via the 12—21 W bulb and connect the negative battery terminal to terminal A of line pressure control solenoid.

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  Caution
  • Do not apply impact to line pressure control solenoid.
  • Do not damage the terminals.

2. Verify that operating sound is heard from the line pressure control solenoid.

  • If there is any malfunction, replace the control valve body.