DESCRIPTION
Connecting terminals TC and CG of the DLC3 causes the ECU to display DTCs by blinking the ABS warning and slip indicator lights.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When replacing the skid control ECU (brake actuator assembly), perform system variant learning.
Click here
HINT:
When the indicator lights continue to blink, a ground short in the wiring of terminal TC of the DLC3 or an internal ground short in one or more ECUs is suspected.
PROCEDURE
1. |
CHECK CAN COMMUNICATION SYSTEM |
(a) Check if CAN communication system DTCs are output.
Click here
Result |
Proceed to |
---|---|
DTCs are not output. |
A |
DTCs are output. |
B |
B | ![]() |
INSPECT CAN COMMUNICATION SYSTEM
|
|
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:
|
|
NG | ![]() |
GO TO STEP 4 |
|
3. |
REPLACE ECM |
*a |
Front view of DLC3 |
(a) Turn the ignition switch off.
(b) Replace the ECM.
Click here
(c) Using SST, connect terminals TC and CG of the DLC3.
SST: 09843-18040
(d) Check that the ABS warning, slip indicator and brake hold standby indicator lights are blinking.
OK:
The ABS warning, slip indicator and brake hold standby indicator lights are blinking.
HINT:
If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next step before replacing parts.
Click here
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 A38 ECM connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F41-13 (TC) - A38-33 (TC) |
Always |
Below 1 Ω |
F41-13 (TC) or A38-33 (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 |
Front view of DLC3 |
(a) Replace the ECM.
Click here
(b) Using SST, connect terminals TC and CG of the DLC3.
SST: 09843-18040
(c) Check that the ABS warning, slip indicator and brake hold standby indicator lights are blinking.
OK:
The ABS warning, slip indicator and brake hold standby indicator lights are blinking.
HINT:
If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next step before replacing parts.
Click here
OK | ![]() |
END |
NG | ![]() |
REPLACE BRAKE ACTUATOR ASSEMBLY |
Toyota CH-R Service Manual > Smart Key System(for Start Function): Vehicle Speed Signal Malfunction (B2282,B2283)
DESCRIPTION
DTC B2282 is stored when the vehicle speed signal sent by the combination meter
assembly via direct line and the vehicle speed signal sent via CAN communication
do not match.
DTC B2283 is stored when a malfunction in the vehicle speed sensor is detected.
DTC No.
...
Toyota CH-R Service Manual > Can Communication System: Data List / Active Test
DATA LIST / ACTIVE TEST
NOTICE:
In the table below, the values listed under "Normal Condition" are reference
values. Do not depend solely on these reference values when deciding whether a part
is faulty or not.
HINT:
Using the Techstream to read the Data List allows the values or s ...