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:
Compressor Lock Sensor Circuit (B1422)
SYSTEM DESCRIPTION
The ECM sends the engine speed signal to the air conditioning amplifier assembly
via CAN communication.
The air conditioning amplifier assembly reads the difference between compressor
speed and engine speed. When the difference becomes too large, the air conditioning
ampli ...
Switch Failure (B2342)
DESCRIPTION
This DTC is stored when the sliding roof ECU (sliding roof drive gear sub-assembly)
detects that the sliding roof switch is stuck for 30 seconds or more.
DTC No.
DTC Detection Condition
Trouble Area
B2342
Sliding roof ECU ( ...
Brake Switch "A" Circuit (P0571)
DESCRIPTION
Detection condition 1:
When the brake pedal is depressed, the stop light switch assembly outputs
a signal to the ECM. When the ECM receives the signal, it cancels control
of vehicle speed by the dynamic radar cruise control system. The fail-safe
function operates to ...
