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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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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DESCRIPTION The skid control ECU (brake booster with master cylinder assembly) receives signals from the yaw rate and acceleration sensor (airbag ECU assembly) via the CAN communication system. The airbag ECU assembly has a built-in yaw rate and acceleration sensor and detects the vehicle condition.
Inspection
INSPECTION PROCEDURE 1. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: for 8 Speakers Tester Connection Condition Specified Condition 1 - 2 Always 4 Ω for 10 Speakers Tester Connection Con
