DESCRIPTION
This DTC is stored when the angle of the blind spot monitor sensor LH (Master) deviates more than the allowable range from the horizontal axis.
HINT:
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
---|---|---|---|
C1AC1 |
Master Module Horizontal Axis Misalignment |
When the blind spot monitor sensor deviates 5 degrees or more from the horizontal axis when the system is activated |
Blind spot monitor sensor LH (Master) |
CAUTION / NOTICE / HINT
NOTICE:
Click here
If the visual inspection finds a problem, check the installation condition of the blind spot monitor sensor, and adjust the installation position of the blind spot monitor sensor as necessary.
PROCEDURE
1. |
CHECK VEHICLE CONDITION |
(a) Check the condition of the rear bumper around the blind spot monitor sensors.
HINT:
When mud, snow, ice, a sticker, etc. is covering the sensor or its surrounding area on the rear bumper, the blind spot monitor sensor may store this DTC by mistake.
Result |
Proceed to |
---|---|
A sticker, mud, snow, ice, etc. is covering the sensor or surrounding area on the rear bumper. |
A |
There are scratches or dents on the rear bumper around the sensors. |
B |
No abnormalities. |
B | ![]() |
GO TO STEP 3 |
|
2. |
PERFORM BEAM AXIS CONFIRMATION |
(a) Clean the rear bumper.
(b) Perform Blind Spot Monitor Beam Axis Confirmation using the Techstream.
Click here
Tester Display |
---|
BSM Master Beam Axis Display |
Tester Display |
---|
BSM Master Beam Axis Adjustment |
OK | ![]() |
END |
NG | ![]() |
REPLACE BLIND SPOT MONITOR SENSOR LH (MASTER) |
3. |
CHECK INSTALLATION CONDITION |
(a) Check the installation condition of the blind spot monitor sensor LH (Master).
Click here
HINT:
Take the appropriate action in accordance with the result.
|
4. |
PERFORM BEAM AXIS CONFIRMATION |
(a) Install the rear bumper.
Click here
(b) Perform Blind Spot Monitor Beam Axis Confirmation using the Techstream.
Click here
Tester Display |
---|
BSM Master Beam Axis Display |
Tester Display |
---|
BSM Master Beam Axis Adjustment |
OK | ![]() |
END |
NG | ![]() |
REPLACE BLIND SPOT MONITOR SENSOR LH (MASTER) |
Toyota CH-R Service Manual > Vehicle Stability Control System: Acceleration Sensor Malfunction (C1420)
DESCRIPTION
This DTC is stored when the skid control ECU (brake actuator assembly) detects
an abnormality in the difference between the acceleration sensor value and the control
value estimated based on the yaw rate sensor, steering angle sensor and speed sensor
signals.
DTC No.
...
Toyota CH-R Service Manual > Pre-collision System: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Pre-collision System
DTC No.
Detection Item
Link
C1A02
Vehicle Information Not Obtained
C1A10
Front Radar Sensor
C1A11
Front ...