Toyota Tacoma (2015-2018) Service Manual: TC and CG Terminal Circuit
DESCRIPTION
Connecting terminals TC and CG of the DLC3 causes the ECU to display the DTC by blinking the ABS warning light and slip indicator light.
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
.gif)
).
PROCEDURE
|
1. |
CHECK CAN COMMUNICATION SYSTEM |
(a) Check if CAN communication system DTCs are output (See page
).
|
Result |
Proceed to |
|---|---|
|
DTC is not output |
A |
|
DTC is output |
B |
| B | .gif) |
CHECK CAN COMMUNICATION SYSTEM |
|
.gif)
|
2. |
INSPECT DLC3 |
|
(a) Turn the ignition switch to ON. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
D4-13 (TC) - D4-4 (CG) |
Ignition switch ON |
11 to 14 V |
|
*a |
Front view of DLC3 |
| NG | |
GO TO STEP 4 |
|
|
3. |
REPLACE ECM |
|
(a) Turn the ignition switch off. |
|
(b) Replace the ECM.
- for 2GR-FKS: (See page
)
- for 2TR-FE: (See page
)
(c) Using SST, connect terminals 13 (TC) and 4 (CG) of the DLC3.
SST: 09843-18040
(d) Check that the ABS warning and slip indicator lights are blinking.
OK:
The ABS warning and slip indicator lights are blinking.
Text in Illustration|
*a |
Front view of DLC3 |
| OK | |
END |
| NG | |
REPLACE BRAKE ACTUATOR ASSEMBLY |
|
4. |
CHECK HARNESS AND CONNECTOR (TC of DLC3 - ECM) |
(a) Turn the ignition switch off.
(b) Disconnect the E13*1, E21*2 ECM connector.
- *1: for 2GR-FKS
- *2: for 2TR-FE
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
for 2GR-FKS:|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
D4-13 (TC) - E14-20 (TC) |
Always |
Below 1 Ω |
|
D4-13 (TC) or E14-20 (TC) - Body ground |
Always |
10 kΩ or higher |
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
D4-13 (TC) - E21-19 (TC) |
Always |
Below 1 Ω |
|
D4-13 (TC) or E21-19 (TC) - Body ground |
Always |
10 kΩ or higher |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
5. |
CHECK HARNESS AND CONNECTOR (CG of DLC3 - BODY GROUND) |
|
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
6. |
REPLACE ECM |
|
(a) Replace the ECM.
|
|
(b) Using SST, connect terminals 13 (TC) and 4 (CG) of the DLC3.
SST: 09843-18040
(c) Check that the ABS warning and slip indicator lights are blinking.
OK:
The ABS warning and slip indicator lights are blinking.
Text in Illustration|
*a |
Front view of DLC3 |
| OK | |
END |
| NG | |
REPLACE BRAKE ACTUATOR ASSEMBLY |
Slip Indicator Light does not Come ON
DESCRIPTION
Refer to Slip Indicator Light Remains ON (See page
).
WIRING DIAGRAM
Refer to Slip Indicator Light Remains ON (See page
).
CAUTION / NOTICE / HINT
NOTICE:
When replacing the skid ...
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 ...
Other materials:
Removal
REMOVAL
PROCEDURE
1. REMOVE AUTOMATIC TRANSMISSION ASSEMBLY (for Automatic Transmission)
Transmission
See page
AC60E
AC60F
2. REMOVE MANUAL TRANSMISSION ASSEMBLY (for Manual Transmission)
(See page )
...
Steering Angle Sensor Output Malfunction (C1434)
DESCRIPTION
Steering angle sensor signals are input to the skid control ECU (brake actuator
assembly) via the CAN communication system.
HINT:
When a malfunction occurs in the communication line to the steering angle sensor,
U0126 is output. If a DTC related to the CAN communication line is ou ...
Power outlets (12 VDC)
Please use as a power supply for electronic goods that use less than 12 VDC/10
A (power consumption of 120 W).
When using electronic goods, make sure that the power consumption of all the
connected power outlets is less than 120 W.
■The power outlets can be used when
The engine switch ...
