DESCRIPTION
When the vehicle stability control system is operating, as the input piston and output piston are not directly connected, the kickback of the brake pedal is minimal during ABS operation and the driver may not notice that ABS operated.
CAUTION / NOTICE / HINT
NOTICE:
When replacing the skid control ECU (brake actuator assembly), perform system variant learning.
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PROCEDURE
1. |
BRAKE PROBLEM CHECK |
(a) Check if the slip indicator light was illuminated or blinking when ABS did not operate.
HINT:
Result |
Proceed to |
---|---|
The slip indicator light was blinking. |
A |
The slip indicator light was illuminated. |
B |
A | ![]() |
END |
|
2. |
CHECK DTC AND FREEZE FRAME DATA |
(a) Using the Techstream, check DTCs and Freeze Frame Data.
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Result |
Proceed to |
---|---|
DTCs are not output. |
A |
DTCs are output. |
B |
B | ![]() |
REPAIR CIRCUITS INDICATED BY OUTPUT DTCS
|
|
3. |
PERFORM OPERATION CHECK DRIVING |
(a) Check that ABS operates using a drum tester or equivalent.
CAUTION:
When using a drum tester, enter Inspection Mode or VSC off mode and perform inspection with the TRAC and VSC systems disabled to prevent the vehicle from moving suddenly due to TRAC or VSC operation.
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OK:
ABS operates.
OK | ![]() |
END |
NG | ![]() |
REPLACE BRAKE ACTUATOR ASSEMBLY |
Toyota CH-R Service Manual > Blind Spot Monitor System: Short to GND or Open in Buzzer (C1ABE)
DESCRIPTION
DTC C1ABE is stored when the blind spot monitor sensor RH (Slave) detects
a short to ground or open in the RCTA buzzer (blind spot monitor buzzer)
circuit.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
...
Toyota CH-R Service Manual > Blind Spot Monitor System: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Blind Spot Monitor System
DTC No.
Detection Item
Link
C1A45
Vehicle Speed Sensor
C1A46
Yaw Rate Sensor
C1A47
St ...