Toyota Tacoma (2015-2018) Service Manual: TS and CG Terminal Circuit
DESCRIPTION
In Test Mode (signal check), a malfunction in the speed sensor that cannot be detected when the vehicle is stopped can be detected while driving.
Sensor check mode can be entered by connecting terminals TS and CG of the DLC3 and turning the ignition switch from off to ON.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When replacing the skid control ECU (brake actuator assembly), perform zero point
calibration and store system information (See page
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).
PROCEDURE
|
1. |
CHECK HARNESS AND CONNECTOR (BRAKE ACTUATOR ASSEMBLY - TS of DLC3) |
(a) Turn the ignition switch off.
(b) Disconnect the S1 skid control ECU (brake actuator assembly) connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
S1-24 (TS) - D4-12 (TS) |
Always |
Below 1 Ω |
|
S1-24 (TS) or D4-12 (TS) - Body ground |
Always |
10 kΩ or higher |
| NG | .gif) |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
.gif)
|
2. |
CHECK HARNESS AND CONNECTOR (CG of DLC3 - BODY GROUND) |
|
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
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| OK | |
REPLACE BRAKE ACTUATOR ASSEMBLY |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
VSC Buzzer Circuit
DESCRIPTION
The skid control ECU (brake actuator assembly) is connected to the combination
meter via CAN communication.
The combination meter has a built-in VSC warning buzzer:
Sounds inte ...
VSC OFF Switch Circuit
DESCRIPTION
The skid control ECU assembly is connected to the combination meter assembly
via CAN communication.
Pressing the VSC OFF switch turns off TRAC operation, and pressing and holding
thi ...
Other materials:
Removal
REMOVAL
PROCEDURE
1. REMOVE INSTRUMENT PANEL LOWER FINISH PANEL SUB-ASSEMBLY
(See page )
2. REMOVE DRIVER SIDE JUNCTION BLOCK
(a) Disconnect the 5 connectors on the front side.
(b) Remove the 2 nuts to separate the driver side j ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use these procedures to troubleshoot the smart key system (for Entry
Function).
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
...
Security Indicator Light Does not Blink
DESCRIPTION
The certification ECU (smart key ECU assembly) blinks the security indicator
light when the immobiliser is set (engine switch off, or driver door is
opened and closed with engine switch on (IG)).
The certification ECU (smart key ECU assembly) receive the security
...
