Toyota CH-R Service Manual: Brake Warning Light does not Come ON
DESCRIPTION
The skid control ECU (brake actuator assembly) is connected to the combination meter assembly via CAN communication.
CAUTION / NOTICE / HINT
NOTICE:
- When replacing the skid control ECU (brake actuator assembly), perform
system variant learning.
Click here
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- Inspect the fuses for circuits related to this system before performing the following procedure.
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 | .gif) |
INSPECT CAN COMMUNICATION SYSTEM
|
|
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|
2. |
PERFORM ACTIVE TEST USING TECHSTREAM (BRAKE WARNING LIGHT) |
(a) Select the Active Test on the Techstream.
Click here
|
Tester Display |
Measurement Item |
Control Range |
Diagnostic Note |
|---|---|---|---|
|
Brake Warning Light |
Brake system warning light (red indicator) |
Warning light ON/OFF |
Observe combination meter assembly |
|
Tester Display |
|---|
|
Brake Warning Light |
(b) Select the Data List on the Techstream.
Click here
|
Tester Display |
Measurement Item |
Range |
Normal Condition |
Diagnostic Note |
|---|---|---|---|---|
|
Brake Warning Light |
Brake system warning light (red indicator) |
ON or OFF |
ON: Warning light on OFF: Warning light off |
- |
|
Tester Display |
|---|
|
Brake Warning Light |
(c) Check the operating condition of the brake system warning light (red indicator) when operating it using the Techstream.
|
Result |
Proceed to |
|---|---|
|
Brake system warning light (red indicator) in the Data List does not change using the Active Test. |
A |
|
Brake system warning light (red indicator) in the Data List turns ON/OFF using the Active Test. |
B |
| A | |
REPLACE BRAKE ACTUATOR ASSEMBLY |
|
|
3. |
INSPECT COMBINATION METER ASSEMBLY |
(a) Perform the Active Test of the combination meter assembly using the Techstream.
Click here
|
Tester Display |
|---|
|
Indicat. Lamp Brake |
(b) Check the combination meter assembly.
OK:
The brake system warning light (red indicator) turns on or off in accordance with the Techstream.
| OK | |
REPLACE BRAKE ACTUATOR ASSEMBLY |
| NG | |
INSPECT METER / GAUGE SYSTEM |
Brake Warning Light Remains ON
DESCRIPTION
The skid control ECU (brake actuator assembly) is connected to the combination
meter assembly via CAN communication.
If any of the following is detected, the brake system warning light ...
Brake Hold Operated Indicator Light Circuit
DESCRIPTION
The brake hold operated indicator light illuminates when the brake hold system
is operating (vehicle stopped due to brake fluid pressure hold) and turns off when
the brake hold system ...
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Toyota CH-R Owners Manual
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Toyota CH-R Service Manual
- Introduction
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- Audio / Video
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- Navigation / Multi Info Display
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- Theft Deterrent / Keyless Entry
KIA Niro EV / Hybrid (SG2) - (2021-2023) - Owner's manual
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