Lexus NX: Yaw Rate Sensor (C1A46)
DESCRIPTION
The blind spot monitor sensor receives yaw rate signals from the yaw rate sensor via CAN communication.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Note |
|---|---|---|---|---|
| C1A46 | Yaw Rate Sensor | A fail flag is transmitted from the yaw rate sensor |
| - |
CAUTION / NOTICE / HINT
NOTICE:
When checking for DTCs, make sure that the blind spot monitor main switch (combination switch assembly) is on.
PROCEDURE
| 1. | CHECK DTC (ELECTRONICALLY CONTROLLED BRAKE SYSTEM) |
(a) Check for electronically controlled brake system DTCs.
Click here .gif)
OK:
Electronically controlled brake system DTCs are not output.
| NG | .gif) | GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM |
|
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| 2. | RECHECK DTC |
(a) Clear the DTCs.
Click here
(b) 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 C1A46 is output from the blind spot monitor sensor LH (master) | B |
| DTC C1A46 is output from the blind spot monitor sensor RH (slave) | C |
| A | | USE SIMULATION METHOD TO CHECK |
| B | | REPLACE BLIND SPOT MONITOR SENSOR LH |
| C | | REPLACE BLIND SPOT MONITOR SENSOR RH |
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Steering Angle Sensor (C1A47)
DESCRIPTION The blind spot monitor sensor receives steering angle signals from the steering sensor via CAN communication. DTC No. Detection Item DTC Detection Condition Trouble Area Note
Short to +B in Outer Mirror Indicator(Master) (C1AB0)
DESCRIPTION This DTC is stored when the blind spot monitor sensor LH detects a +B short in the outer rear view mirror indicator LH. DTC No. Detection Item DTC Detection Condition Trouble Area
Short to +B in Outer Mirror Indicator(Slave) (C1AB1)
DESCRIPTION This DTC is stored when the blind spot monitor sensor RH detects a +B short in the outer rear view mirror indicator RH. DTC No. Detection Item DTC Detection Condition Trouble Area
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Cooling System
DESCRIPTION The cause of the malfunction may be the cooling system. Check whether the grille is blocked, whether coolant is leaking, the HV radiator fan operating condition and whether coolant has frozen. Related Parts Check Area Inspection Step Grille blockage, coolant amount, coolant ho
ECU Malfunction (C1611)
DESCRIPTION If the clearance warning ECU assembly detects an internal malfunction during self-diagnosis, DTC C1611 is stored. DTC No. Detection Item DTC Detection Condition Trouble Area C1611 ECU Malfunction
Sub-CPU abnormal signal
Mirror check abnormal
Clearance warning E
