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 |
|
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|
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:
Fail-safe Chart
FAIL-SAFE CHART
If any of the following DTCs are stored, the ECM enters fail-safe mode to allow
the vehicle to be driven temporarily.
DTC
Fail-safe Operation
Fail-safe Deactivation Condition
P161A87
Generator command is maintained
...
Open or Short in Rear Speed Sensor RH Circuit (C1407,C1408)
DESCRIPTION
Refer to DTCs C1401 and C1402 (See page ).
DTC Code
DTC Detection Condition
Trouble Area
C1407
C1408
Either condition is met:
An open in the speed sensor signal circuit continues for 0.5
seconds or mor ...
Data Signal Circuit between Navigation Receiver Assembly and Extension Module
DESCRIPTION
The stereo component tuner assembly sends the sound data signal or image data
signal from a device to the navigation receiver assembly via this circuit.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
After replacing the stereo component tuner assembly of vehicles subscribed to
...
