Lexus ES: 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 turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.
Click here
.gif)
-
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 DTC OUTPUT |
(a) Using the Techstream, check for DTCs according to the prompts on the screen.
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.
Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Clear DTCs(c) Recheck for DTCs.
| 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 DEFECTIVE) |
READ NEXT:
G Sensor Failure (C1647)
DESCRIPTION The clearance warning sonar ECU assembly communicates with the airbag sensor assembly (yaw rate and acceleration sensor) via CAN communication, and if it is determined that the airbag sens
Outside Air Temperature Sensor (C1652)
DESCRIPTION When a malfunction signal sent from the air conditioning system via CAN communication is detected by the clearance warning ECU assembly, DTC C1652 is stored. DTC No. Detection Item
Calibration
CALIBRATION NOTICE: When any of the following parts have been replaced, perform adjustment shown in the following table. If not, the parking support brake system may not operate correctly. PRECAUTION
SEE MORE:
Inspection
INSPECTION PROCEDURE 1. INSPECT WINDSHIELD WASHER MOTOR AND PUMP ASSEMBLY *a Component without harness connected (Windshield Washer Motor and Pump Assembly) (a) Remove the washer jar. (b) Disconnect the windshield washer motor and pump assembly connector. HINT: This check should be performe
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Parking Assist Monitor System DTC No. Detection Item Link C1611 ECU Malfunction C1621 Back Camera Power Supply Failure C1622 Back Camera Disconnected C1625 Open or Short in Steering Angle Sensor +B C1626 Steering
