DESCRIPTION
This DTC is stored when the angle of the blind spot monitor sensor RH (Slave) deviates more than the allowable range from the horizontal axis.
HINT:
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
---|---|---|---|
C1AC2 |
Slave 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 RH (Slave) |
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 Slave Beam Axis Display |
Tester Display |
---|
BSM Slave Beam Axis Adjustment |
OK | ![]() |
END |
NG | ![]() |
REPLACE BLIND SPOT MONITOR SENSOR RH (SLAVE) |
3. |
CHECK INSTALLATION CONDITION |
(a) Check the installation condition of the blind spot monitor sensor RH (Slave).
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 Slave Beam Axis Display |
Tester Display |
---|
BSM Slave Beam Axis Adjustment |
OK | ![]() |
END |
NG | ![]() |
REPLACE BLIND SPOT MONITOR SENSOR RH (SLAVE) |
Toyota CH-R Service Manual > Navigation System: Extension Module Malfunction 2 (B1556)
DESCRIPTION
These DTCs are stored when a malfunction occurs in the Navigation ECU.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
B1556
Extension Module Malfunction 2
When any of the following condition ...
Toyota CH-R Service Manual > Pre-collision System: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" column of the
table. Check each sy ...