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:
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 .gif)
).
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:
Precaution
PRECAUTION
1. IGNITION SWITCH EXPRESSIONS
(a) The type of ignition switch used on this model differs according to the specifications
of the vehicle. The expressions listed in the table below are used in this section.
Expression
Ignition Switch (Position)
Engine ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT AIR CONDITIONER PRESSURE SENSOR (for Automatic Air Conditioning System)
(a) Check the wire harness.
(1) Disconnect the A34 air conditioner pressure sensor connector.
(2) Disconnect the A35 and A36 air conditioning amplifier assembly connector.
...
Low Power Supply Voltage Malfunction (C1241)
DESCRIPTION
If there is a problem with the skid control ECU (master cylinder solenoid) power
supply circuit, the skid control ECU outputs the DTC and prohibits operation under
the fail-safe function.
If the voltage supplied to terminal IG1 is not within the DTC detection threshold
due to mal ...
