Toyota Tacoma manuals

Toyota Tacoma (2015-2018) Service Manual: Torque Converter Clutch Pressure Control Solenoid Control Circuit Open (P275613)

Toyota Tacoma (2015-2018) Service Manual / Ac60e Automatic Transmission / Transaxle / Automatic Transmission System(for 2gr-fks) / Torque Converter Clutch Pressure Control Solenoid Control Circuit Open (P275613)

DESCRIPTION

Refer to the system description for DTC P27567F (See page ).

DTC No.

DTC Detection Condition

Trouble Area

SAE

P275613

Open or short is detected in shift solenoid valve SLU circuit for 1 second or more while driving (1 trip detection logic).
  • Open or short in shift solenoid valve SLU circuit
  • Shift solenoid valve SLU
  • ECM

P2759

MONITOR DESCRIPTION

When an open or short in a shift solenoid valve SLU circuit is detected, the ECM determines there is a malfunction. The ECM will illuminate the MIL and store this DTC.

MONITOR STRATEGY

Related DTCs

P2759: Shift solenoid valve SLU/Range check

Required sensors/Components

Shift solenoid valve SLU

Frequency of operation

Continuous

Duration

1 sec.

MIL operation

Immediately

Sequence of operation

None

TYPICAL ENABLING CONDITIONS

All:

The monitor will run whenever the following DTCs are not stored

None

Solenoid current cut status

Not cut

Ignition switch

ON

Starter

OFF
Condition (A):

Battery voltage

12 V or higher
Condition (B):

Battery voltage

10 V or higher, and below 12 V

Target current

Below 0.75 A
Condition (C):

Battery voltage

8 V or higher

Target current

0.25 A or higher

TYPICAL MALFUNCTION THRESHOLDS

One of the following conditions is met: Condition (A), (B) or (C)

Condition (A) and (B):

Output duty cycle

More than 100%
Condition (C):

Output duty cycle

Less than 0%

COMPONENT OPERATING RANGE

Output duty cycle

More than 3%, and less than 100%

CONFIRMATION DRIVING PATTERN

CAUTION:

When performing the confirmation driving pattern, obey all speed limits and traffic laws.

HINT:

  • After repairs have been completed, clear the DTCs and then check that the vehicle has returned to normal by performing the following All Readiness check procedure.
  • When clearing the permanent DTCs, refer to the Clear Permanent DTC procedure (See page ).
  1. Connect the Techstream to the DLC3.
  2. Turn the ignition switch to ON and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the ignition switch off and wait for 2 minutes or more.
  5. Turn the ignition switch to ON and turn the Techstream on.
  6. Start the engine.
  7. Perform the Lock-up Function inspection in Road Test (See page HINT: ). [*1]

    HINT:

    [*1] : Normal judgment procedure.

    The normal judgment procedure is used to complete DTC judgment and also used when clearing permanent DTCs.

  8. Enter the following menus: Powertrain / Transmission / Utility / All Readiness.
  9. Input the DTC: P275613.
  10. Check the DTC judgment result.

    Techstream Display

    Description

    NORMAL
    • DTC judgment completed
    • System normal

    ABNORMAL
    • DTC judgment completed
    • System abnormal

    INCOMPLETE
    • DTC judgment not completed
    • Perform driving pattern after confirming DTC enabling conditions

    N/A
    • Unable to perform DTC judgment
    • Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit

    HINT:

    • If the judgment result shows NORMAL, the system is normal.
    • If the judgment result shows ABNORMAL, the system has a malfunction.
    • If the judgment result shows INCOMPLETE or N/A, perform the normal judgment procedure again.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

CAUTION / NOTICE / HINT

NOTICE:

  • Perform the universal trip to clear permanent DTCs (See page Perform registration and/or initialization when parts related to the ).
  • Perform registration and/or initialization when parts related to the automatic transmission are replaced (See page ).

PROCEDURE

1.

INSPECT TRANSMISSION WIRE (SHIFT SOLENOID VALVE SLU)

(a) Disconnect the E1 transmission wire connector.

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

21 (SLU+) - 22 (SLU-)

20°C (68°F)

5.0 to 5.6 Ω

21 (SLU+) - Body ground

Always

10 kΩ or higher

22 (SLU-) - Body ground

Always

10 kΩ or higher
Text in Illustration

*a

Component without harness connected

(Transmission Wire)
NG

GO TO STEP 3

OK

2.

CHECK HARNESS AND CONNECTOR (TRANSMISSION WIRE - ECM)

(a) Disconnect the ECM connector.

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

E11-11 (SLU+) - E11-10 (SLU-)

20°C (68°F)

5.0 to 5.6 Ω

E11-11 (SLU+) - Body ground

Always

10 kΩ or higher

E11-10 (SLU-) - Body ground

Always

10 kΩ or higher
Text in Illustration

*a

Rear view of wire harness connector

(to ECM)
OK

REPLACE ECM

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

3.

INSPECT SHIFT SOLENOID VALVE SLU

(a) Remove shift solenoid valve SLU (See page ).

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

1 - 2

20°C (68°F)

5.0 to 5.6 Ω

(c) Apply 12 V battery voltage to the shift solenoid valve and check that the valve moves and makes an operating noise.

OK:

Measurement Condition

Specified Condition
  • Battery positive (+) with a 21 W bulb → Terminal 1
  • Battery negative (-) → Terminal 2

Valve moves and makes an operating noise
Text in Illustration

*1

Shift Solenoid Valve SLU
OK

REPLACE TRANSMISSION WIRE

NG

REPLACE SHIFT SOLENOID VALVE SLU

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