Toyota Tacoma manuals

Toyota Tacoma (2015-2018) Service Manual: Manual Shifting Test

MANUAL SHIFTING TEST

1. PERFORM MANUAL SHIFTING TEST

HINT:

  • Using this test, it can be determined whether a problem is in an electrical circuit or if it is a mechanical problem in the transmission.
  • If any abnormalities are found in the following test, the problem is in the transmission itself.

(a) Disconnect the connector of the transmission wire.

HINT:

HINT:

It is possible to deactivate the electrical shift control by disconnecting the transmission wire. The gears can then be changed mechanically with the shift lever.

(b) Drive the vehicle with the transmission wire disconnected. Move the shift lever to each position to check whether the gear changes as shown in the table below.

Shift Lever Position

Gear

P

P

R

R

D

3rd

(c) Connect the connector of the transmission wire.

(d) Clear the DTCs (See page Monitor Drive Pattern ).

Initialization
INITIALIZATION 1. RESET MEMORY NOTICE: Perform Reset Memory (AT initialization) when replacing the automatic transmission assembly, transmission valve body assembly or any of the shift ...

Monitor Drive Pattern
MONITOR DRIVE PATTERN 1. TEST MONITOR DRIVE PATTERN FOR ECT CAUTION: Perform this drive pattern on a level surface and strictly observe the posted speed limits and traffic laws while driving. HI ...

Other materials:

Diameter of the Tire is not Uniform (C1337)
DESCRIPTION The skid control ECU (master cylinder solenoid) measures the speed of each wheel by receiving signals from the speed sensors. These signals are used for recognizing whether all 4 wheels are operating properly. Therefore, all wheel signals must be equal. DTC No. ...

Open in Pump Motor Circuit (C1251)
DESCRIPTION The motor relay (semiconductor relay) is built into the master cylinder solenoid and drives the pump motor based on a signal from the skid control ECU (master cylinder solenoid). DTC No. DTC Detecting Condition Trouble Areas C1251 ...

Dtc Check / Clear
DTC CHECK / CLEAR CHECK FOR DTC (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON. (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Central Gateway / Trouble Codes. (e) Read the DTCs. CLEAR DTC (a) Connect the Techstream to the DLC3. (b) ...

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