Toyota Avalon Service & Repair Manual: Steering Angle Sensor Failure (C1626)

Toyota Avalon Service & Repair Manual / Audio, Visual, Telematics / Park Assist / Monitoring / Intelligent Clearance Sonar System(for Gasoline Model) / 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	Steering sensor Clearance warning ECU assembly

CAUTION / NOTICE / HINT

NOTICE:

After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.
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

2.	CHECK DTC OUTPUT

(a) Using the Techstream, check for DTCs according to the prompts on the screen.

HINT:

After turning the engine 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

Result	Proceed to
DTC C1626 is output	A
DTC C1626 is not output	B

REPLACE CLEARANCE WARNING ECU ASSEMBLY

END (STEERING SENSOR DEFECTIVE)

Open or Short in Steering Angle Sensor +B (C1625)

G Sensor Failure (C1647)

See More:

Toyota Avalon Service & Repair Manual > Lighting System(for Hv Model With Cornering Light): Problem Symptoms Table
PROBLEM SYMPTOMS TABLE NOTICE: Before replacing the main body ECU (multiplex network body ECU), refer to Registration. Click here If the headlight ECU sub-assembly LH has been replaced, it is necessary to synchronize the vehicle information the headlight ECU sub-assembly LH. Click here If the headli ...

Toyota Avalon Service & Repair Manual: Steering Angle Sensor Failure (C1626)

Open or Short in Steering Angle Sensor +B (C1625)

G Sensor Failure (C1647)

See More:

Toyota Avalon Owners Manual

Toyota Avalon Service & Repair Manual