DESCRIPTION
The skid control ECU (brake actuator assembly) is connected to the combination meter assembly via CAN communication.
The slip indicator light blinks during VSC and/or TRAC operation.
If a malfunction is detected, the slip indicator light comes on to warn the driver.
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WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When replacing the skid control ECU (brake actuator assembly), perform system variant learning.
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PROCEDURE
1. |
CHECK CAN COMMUNICATION SYSTEM |
(a) Check if CAN communication system DTCs are output.
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Result |
Proceed to |
---|---|
DTCs are not output. |
A |
DTCs are output. |
B |
B | ![]() |
INSPECT CAN COMMUNICATION SYSTEM
|
|
2. |
CHECK IF BRAKE ACTUATOR ASSEMBLY CONNECTOR IS SECURELY CONNECTED |
(a) Check if the skid control ECU (brake actuator assembly) connector is securely connected.
OK:
The connector is securely connected.
NG | ![]() |
CONNECT CONNECTOR TO ECU CORRECTLY |
|
3. |
CHECK BATTERY |
(a) Check the battery voltage.
Standard Voltage:
11 to 14 V
NG | ![]() |
CHECK OR REPLACE CHARGING SYSTEM COMPONENT OR BATTERY |
|
4. |
INSPECT COMBINATION METER ASSEMBLY |
(a) Perform an Active Test of the combination meter assembly using the Techstream.
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Tester Display |
---|
Indicat. Lamp Slip |
(b) Check the combination meter assembly.
OK:
The slip indicator light turns on or off in accordance with the Active Test operation.
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.
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OK | ![]() |
REPLACE BRAKE ACTUATOR ASSEMBLY |
NG | ![]() |
INSPECT METER / GAUGE SYSTEM |
Toyota CH-R Service Manual > Airbag System: Occupant Classification System Malfunction (B1650/32,B165A/32)
DESCRIPTION
The airbag sensor assembly and occupant detection ECU communicate via CAN communication.
When the occupant detection ECU stores DTC B1771, B1780, B1782, B1795, B1798,
B1799, U0125 or U0129, the airbag sensor assembly receives this information and
stores DTC B1650/32.
When the occu ...
Toyota CH-R Service Manual > Occupant Classification System: Yaw Rate Sensor Module Malfunction (B1798,B1799)
DESCRIPTION
The occupant detection ECU receives signals from the acceleration sensor (airbag
sensor assembly) and skid control ECU via CAN communication.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
B1798
Yaw ...