Toyota Tacoma (2015-2018) Service Manual: Customize Parameters
CUSTOMIZE PARAMETERS
NOTICE:
- When the customer requests a change in a function, first make sure that the function can be customized.
- Make a note of the current settings before customizing.
HINT:
The following PCS functions and the pre-collision system sensitivity setting can be changed from their default setting.
CUSTOMIZE PRE-COLLISION SYSTEM
(a) Customizing with the Techstream
(1) Turn the ignition switch off.
(2) Connect the Techstream to the DLC3.
(3) Turn the ignition switch to ON.
(4) Turn the Techstream on.
(5) Enter the following menus: Customize Setting / Others.
(6) Select the setting by referring to the table below.
Others|
Tester Display |
Description |
Default |
Setting |
ECU |
|---|---|---|---|---|
|
PCS Operation State Retention Setting |
Refer to the table below |
OFF |
0:OFF,1:ON |
Millimeter wave radar sensor assembly |
|
PCS Alarm Activation Distance Retention Setting 1 |
Refer to the table below |
OFF |
0:OFF,1:ON |
Millimeter wave radar sensor assembly |
|
PCS Alarm Activation Distance Retention Setting 2 |
Refer to the table below |
ON |
0:OFF,1:ON |
Millimeter wave radar sensor assembly |
|
PCS Alarm Activation Distance Retention Setting 3 |
Refer to the table below |
OFF |
0:OFF,1:ON |
Millimeter wave radar sensor assembly |
|
Customize Setting |
Description |
Setting |
|---|---|---|
|
PCS Operation State Retention Setting |
Function to maintain the pre-collision system on/off setting when the ignition switch is turned off and then to ON. |
OFF: Not maintained (Pre-collision system always turns on) ON: Maintained |
|
PCS Alarm Activation Distance Retention Setting 1 |
Function to maintain the sensitivity setting of the pre-collision system when the pre-collision system is turned off and then on. |
OFF: Not maintained (Setting changes to "Mid") ON: Maintained |
|
PCS Alarm Activation Distance Retention Setting 2 |
Function to maintain the sensitivity setting of the pre-collision system when the ignition switch is turned off while the pre-collision system is on. |
OFF: Not maintained (Setting changes to "Mid") ON: Maintained |
|
PCS Alarm Activation Distance Retention Setting 3 |
Function to maintain the sensitivity setting of the pre-collision system when the ignition switch is turned off while the pre-collision system is off. |
OFF: Not maintained (Setting changes to "Mid") ON: Maintained |
System Diagram
SYSTEM DIAGRAM
Communication Table
Sender
Receiver
Signal
Line
Millimeter Wave Radar Sensor Assembly
Forward Recognition Ca ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the pre-collision system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT ...
Other materials:
Precaution
PRECAUTION
1. PRECAUTIONS WHEN CHECKING FOR DTCS
(a) When the cable is disconnected from the negative (-) battery terminal, the
DTCs stored in the steering lock ECU (steering lock actuator or UPR bracket assembly)
are cleared. Be sure to record any output DTCs immediately.
(b) Normally, with ...
Transfer L4 Position Switch Circuit (C1268)
DESCRIPTION
A-TRAC is activated if wheel skid is detected while the transfer is in the L4
position.
DTC Code
DTC Detecting Condition
Trouble Areas
C1268
L4 detection switch signal input to skid control ECU (master cylinder
solenoid ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. CHECK BATTERY CONDITION
NOTICE:
If the battery is weak or if the engine is difficult to start, recharge the battery
and perform inspections again before returning the vehicle to the customer.
(a) Check the battery for damage or deformation. If severe damage, ...
