Lexus ES: Steering Angle Sensor Failure (C1626)
DESCRIPTION
- This DTC is stored if the parking assist ECU receives a signal via CAN communication from the steering sensor that indicates an internal malfunction.
- This DTC is stored if the rear television camera 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 angle sensor |
|
CAUTION / NOTICE / HINT
NOTICE:
-
When "!" is displayed on the multi-display assembly after the cable is disconnected from the negative (-) battery terminal, correct the steering angle neutral point.
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-
Depending on the parts that are replaced or operations that are performed during vehicle inspection or maintenance, calibration of other systems as well as the panoramic view monitor system may be needed.
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-
The vehicle is equipped with a Supplemental Restraint System (SRS) which includes components such as airbags. Before servicing (including removal or installation of parts), be sure to read the precaution for Supplemental Restraint System.
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PROCEDURE
| 1. | CHECK DTC OUTPUT |
(a) Clear the DTCs.
Chassis > Circumference Monitoring Camera Control Module > Clear DTCs Chassis > Rear Camera > Clear DTCs(b) Recheck for DTCs and check that no DTCs are output.
Chassis > Circumference Monitoring Camera Control Module > Trouble Codes Chassis > Rear Camera > Trouble Codes| Result | Proceed to |
|---|---|
| DTC C1626 is output | A |
| DTC C1626 is not output | B |
| B |  | USE SIMULATION METHOD TO CHECK |
|
| 2. | REPLACE STEERING SENSOR |
(a) Replace the steering sensor with a normally functioning one.
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|
| 3. | CHECK DTC OUTPUT |
(a) Clear the DTCs.
Chassis > Circumference Monitoring Camera Control Module > Clear DTCs Chassis > Rear Camera > Clear DTCs(b) Check for DTCs.
Chassis > Circumference Monitoring Camera Control Module > Trouble Codes Chassis > Rear Camera > Trouble Codes| Result | Proceed to |
|---|---|
| No DTCs are output | A |
| DTC C1626 is output ("Panoramic View Monitor") | B |
| DTC C1626 is output ("Parking Assist Camera") | C |
| A | | END (STEERING SENSOR WAS DEFECTIVE) |
| B | | REPLACE PARKING ASSIST ECU |
| C | | REPLACE REAR TELEVISION CAMERA ASSEMBLY |
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Installation
INSTALLATION PROCEDURE 1. INSTALL LUGGAGE DOOR OPENING SWITCH (TRUNK AND FUEL SWITCH ASSEMBLY) (a) Engage the 2 claws to install the luggage door opening switch (trunk and fuel switch assembly) as shown in the illustration. Install in this Direction 2. INSTALL LOWER INSTRUMENT PANEL FINISH
