DESCRIPTION
The blind spot monitor sensor receives steering signals from the steering sensor via CAN communication.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
---|---|---|---|
C1A47 |
Steering Angle Sensor |
A fail flag is transmitted from the steering angle sensor |
|
CAUTION / NOTICE / HINT
NOTICE:
When checking for DTCs, make sure that the blind spot monitor system is turned on.
PROCEDURE
1. |
CHECK DTC |
(a) Turn the ignition switch off.
(b) Turn the ignition switch to ON.
(c) Recheck for DTCs and check if the same DTC is output again.
Body Electrical > Blind Spot Monitor Master > Trouble Codes Body Electrical > Blind Spot Monitor Slave > Trouble CodesOK:
No DTCs are output.
OK | ![]() |
USE SIMULATION METHOD TO CHECK
|
|
2. |
REPLACE STEERING SENSOR |
(a) Replace the steering sensor.
Click here
|
3. |
RECHECK DTC |
(a) Turn the ignition switch off.
(b) Turn the ignition switch to ON.
(c) Recheck for DTCs and check if the same DTC is output again.
Body Electrical > Blind Spot Monitor Master > Trouble Codes Body Electrical > Blind Spot Monitor Slave > Trouble Codes
Result |
Proceed to |
---|---|
No DTCs are output. |
A |
DTC C1A47 is output ("Blind Spot Monitor Master"). |
B |
DTC C1A47 is output ("Blind Spot Monitor Slave"). |
C |
A | ![]() |
END |
B | ![]() |
REPLACE BLIND SPOT MONITOR SENSOR LH (MASTER) |
C | ![]() |
REPLACE BLIND SPOT MONITOR SENSOR RH (SLAVE) |
Toyota CH-R Service Manual > Can Communication System: Check Bus 3 Lines for Short Circuit
DESCRIPTION
There may be a short circuit between the CAN main bus lines and/or CAN branch
lines when the resistance between terminals 6 (CA3H) and 21 (CA3L) of the central
gateway ECU (network gateway ECU) is below 54 Ω.
Symptom
Trouble Area
Resistance b ...
Toyota CH-R Service Manual > Lighting System: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
NOTICE:
Before replacing the main body ECU (multiplex network body ECU), refer
to Registration.*1
Click here
If the headlight ECU sub-assembly LH has been replaced, it is necessary
to synchronize the vehicle information and initialize the he ...