Toyota Tacoma (2015-2018) Service Manual: Cruise Main Indicator Light Circuit
DESCRIPTION
- When the ECM detects a cruise control switch on signal from the cruise control switch, the ECM sends the signal to the combination meter assembly through CAN communication. Then the cruise control indicator light turns on.
- The cruise control indicator light circuit uses CAN communication. If there is a malfunction in this circuit, check for DTCs in the CAN communication system before troubleshooting this circuit.
PROCEDURE
|
1. |
PERFORM ACTIVE TEST USING TECHSTREAM (CRUISE MAIN INDICATOR LIGHT) |
(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 / Combination Meter / Active Test.
(e) According to the display on the Techstream, perform the Active Test.
Combination Meter|
Tester Display |
Test Part |
Control Range |
Diagnostic Note |
|---|---|---|---|
|
Indicat. Lamp Cruise |
Cruise main indicator light |
ON/OFF |
Confirm that the vehicle is stopped with the engine idling. |
OK:
Cruise main indicator light turns on/off.
| NG | .gif) |
GO TO METER / GAUGE SYSTEM |
|
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|
2. |
READ VALUE USING TECHSTREAM (CRUISE CONTROL SWITCH) |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Cruise Control / Data List.
(e) According to the display on the Techstream, read the Data List.
Cruise Control|
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
|---|---|---|---|
|
Main SW M-CPU |
Cruise control switch (Main CPU) / OFF or ON |
OFF: Cruise control switch off ON: Cruise control switch on |
- |
OK:
On screen, item changes between ON and OFF according to above chart.
| OK | |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
| NG | |
REPLACE ECM |
Cruise Control Switch Circuit
DESCRIPTION
This circuit sends signals to the ECM depending on the cruise control main switch
condition.
The battery supplies the positive (+) battery voltage to the cruise control main
switch. ...
TC and CG Terminal Circuit
DESCRIPTION
The DLC3 circuit enables reading of Diagnostic Trouble Codes (DTCs) with no Techstream
by connecting terminals TC and CG of the DLC3 connector.
Stored DTCs are displayed in blinking pa ...
Other materials:
Back window (vehicles with sliding type)
The back window can be opened and closed using the lock release lever.
Open/close
Push the lock release lever and slide the back window.
■Closing the back window
Make sure that the back window is securely closed after closing it.
CAUTION
■While driving
Keep the back window close ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the sliding roof system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
...
Installation
INSTALLATION
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for both the LH and RH sides.
The procedure described below is for the LH side.
PROCEDURE
1. INSTALL FOG LAMP ASSEMBLY
(a) Engage the 2 guides to install the fog light assembly.
(b) Install the screw.
(c) Con ...
