Toyota Tacoma (2015-2018) Service Manual: Operation Check
OPERATION CHECK
INPUT SIGNAL CHECK
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*a |
+RES |
|
*b |
-SET |
|
*c |
ON-OFF |
|
*d |
CANCEL |
(a) Connect the Techstream to the DLC3.
(b) Check the cruise control main switch using the Data List function of the Techstream (ON-OFF, -SET, +RES and CANCEL).
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INSPECT CRUISE CONTROL MAIN SWITCH (ON-OFF BUTTON)
(a) Turn the ignition switch to ON.
(b) Turn the dynamic radar cruise control system on using the cruise control main switch (ON-OFF button).
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*a |
ON-OFF |
(c) Check that the cruise control indicator (vehicle-to-vehicle distance control mode) in the combination meter assembly illuminates and "RADAR READY" is displayed on the multi-information display.
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*1 |
Cruise Control Indicator (Vehicle-to-vehicle Distance Control Mode) |
|
*2 |
Multi-information Display |
(d) Turn the cruise control system off using the cruise control main switch (ON-OFF button). Check that the cruise control indicator (vehicle-to-vehicle distance control mode) in the combination meter assembly and "RADAR READY" on the multi-information display turn off.
(e) Turn the ignition switch off with the cruise control indicator (vehicle-to-vehicle distance control mode) in the combination meter assembly illuminated and "RADAR READY" on the multi-information display displayed. Turn the ignition switch to ON and check the cruise control indicator (vehicle-to-vehicle distance control mode) in the combination meter assembly and "RADAR READY" on the multi-information display are turned off.
INSPECT MODE SELECT
(a) Turn the ignition switch to ON.
(b) Push and hold the cruise control main switch (ON-OFF button) for approximately 1.5 seconds. Check that the cruise control indicator (vehicle-to-vehicle distance control mode) in the combination meter assembly and "RADAR READY" on the multi-information display turn off and the cruise control indicator (constant speed control mode) illuminates.
|
*a |
ON-OFF |
(c) Check that the cruise control indicator (vehicle-to-vehicle distance control mode) turns off and the cruise control indicator (constant speed control mode) illuminates.
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|
*1 |
Cruise Control Indicator (Vehicle-to-vehicle Distance Control Mode) |
|
*2 |
Multi-information Display |
|
*3 |
Cruise Control Indicator (Constant Speed Control Mode) |
NOTICE:
Do not push any other switches before pushing the cruise control main switch to MODE. If any other switch is pushed, turn the dynamic radar cruise control system off and repeat the procedure above.
HINT:
If a malfunction is detected, turn the ignition switch off and repeat the procedure above.
INSPECT STEERING PAD SWITCH ASSEMBLY
(a) Turn the ignition switch to ON.
(b) Turn the dynamic radar cruise control system on using the cruise control main switch (ON-OFF button).
|
*a |
ON-OFF |
(c) Press the steering pad switch assembly (distance control switch).
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*a |
Distance Control Switch |
(d) Check that the indicator of the vehicle-to-vehicle distance, which is shown on the multi-information display in the combination meter assembly changes from long to middle to short in that order.
HINT:
Long is automatically selected each time the ignition switch to ON.
System Description
SYSTEM DESCRIPTION
GENERAL
The cruise control main switch is used to turn the dynamic radar cruise control
system on and off, as well as operate 7 functions: SET, - (COAST), TAP-DOWN, RES
(RESUM ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
NOTICE:
Before replacing the ECM, refer to Registration.
w/ Smart Key System: Click here
w/o Smart Key System: Click here
When the millimeter wave rad ...
Other materials:
Open in Occupant Classification ECU Battery Positive Line (B1794)
DESCRIPTION
DTC B1794 is set when a malfunction is detected in the occupant detection ECU.
DTC No.
DTC Detections Conditions
Trouble Areas
B1794
Occupant detection ECU circuit malfunction
Occupant detection ECU malfuncti ...
Receiver Error (C2176/76)
DESCRIPTION
Tire pressure warning valve and transmitter signals are transmitted to the tire
pressure warning ECU and receiver in the vehicle as radio waves.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
Note
C2 ...
Precaution
PRECAUTION
1. IGNITION SWITCH EXPRESSION
HINT:
The type of ignition switch used on this model differs depending on the specifications
of the vehicle. The expressions listed in the table below are used in this section.
Expression
Ignition Switch (Position)
Engin ...
