Lexus NX: Steering Angle Sensor Failure (C1626)
DESCRIPTION
This DTC is stored if the clearance warning ECU assembly receives a signal via CAN communication from the steering sensor that indicates an internal malfunction.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C1626 | Steering Angle Sensor Failure | A fail flag is transmitted from the steering sensor |
|
CAUTION / NOTICE / HINT
NOTICE:
-
After the power switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal.
Click here
.gif)
-
When disconnecting and reconnecting the auxiliary battery
Click here
HINT:
When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used.
Click here
-
After replacing an ultrasonic sensor or the clearance warning ECU assembly, perform the necessary procedures (adjustment, calibration, initialization or registration).
Click here
- When continuing with the inspection, confirm that the necessary procedures (adjustment, calibration, initialization or registration) have been completed before proceeding.
PROCEDURE
| 1. | REPLACE STEERING SENSOR |
(a) Replace the steering sensor with a new or known good one.
Click here
|
.gif)
| 2. | CHECK FOR DTC |
(a) Using the Techstream, check for DTCs according to the prompts on the screen.
Click here
HINT:
After turning the power switch from off to on (IG), wait 4 seconds or more before
Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes(b) Clear the DTCs according to the screen on the Techstream.
Click here
(c) Recheck for DTCs.
Click here
| Result | Proceed to |
|---|---|
| DTC C1626 is output | A |
| DTC C1626 is not output | B |
| A | .gif) | REPLACE CLEARANCE WARNING ECU ASSEMBLY |
| B | | END (STEERING SENSOR IS DEFECTIVE) |
READ NEXT:
G Sensor Failure (C1647)
DESCRIPTION The clearance warning sonar ECU assembly communicates with the airbag ECU assembly (yaw rate and acceleration sensor) via CAN communication, and if it is determined that the airbag ECU ass
Communication Error From Clearance Sonar ECU to VSC (C164B)
DESCRIPTION The electronically controlled brake system receives intelligent clearance sonar system information from the clearance warning ECU assembly via CAN communication. When it is determined that
Wheel Speed Sensor Malfunction (C164D)
DESCRIPTION This DTC is stored when the clearance warning ECU assembly receives a wheel speed sensor (front speed sensor RH or front speed sensor LH, rear speed sensor RH or rear speed sensor LH) abno
SEE MORE:
Reassembly
REASSEMBLY CAUTION / NOTICE / HINT NOTICE:
When using a vise, place aluminum plates between the part and vise.
When using a vise, do not overtighten it.
HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
PROCEDURE 1. INSTALL OUTBOARD
Diagnosis System
DIAGNOSIS SYSTEM CHECK DLC3 (a) Check the DLC3. Click here INSPECT AUXILIARY BATTERY VOLTAGE (a) Measure the auxiliary battery voltage with the power switch off. Standard voltage: 11 to 14 V If the voltage is below 11 V, recharge or replace the auxiliary battery.
