Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Steering Angle Initialization Incomplete (C1694)

DESCRIPTION

This DTC is stored when the parking assist ECU judges that the maximum steering angle has not been memorized (steering angle setting is incomplete).
This DTC is stored when the television camera assembly judges that the maximum steering angle has not been memorized (steering angle setting is incomplete).

Parking Assist ECU

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	DTC Output from
C1694	Steering Angle Initialization Incomplete	Maximum steering angle has not been memorized	Steering angle setting Parking assist ECU	Parking assist ECU

Television Camera Assembly

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	DTC Output from
C1694	Steering Angle Initialization Incomplete	Maximum steering angle has not been memorized	Steering angle setting Television camera assembly	Television camera assembly

CAUTION / NOTICE / HINT

NOTICE:

When "!" is displayed on the radio and display receiver assembly after the cable is disconnected from the negative (-) auxiliary 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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PROCEDURE

1.	PERFORM SETTINGS (STEERING ANGLE SETTING)

(a) Perform the following procedure depending on the memory conditions to register the vehicle information to the parking assist ECU.

(1) Refer to steering angle setting.

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2.	CHECK FOR DTC

(a) Clear the DTCs.

Chassis > Panoramic View Monitor > Clear DTCs Chassis > Parking Assist Camera > Clear DTCs

(b) Check for DTCs.

Chassis > Panoramic View Monitor > Trouble Codes Chassis > Parking Assist Camera > Trouble Codes

HINT:

If DTC C1694 is output, perform the steering angle setting again.
If DTC C1694 is still output after performing the steering angle setting 3 times, replace the parking assist ECU.

Result	Proceed to
No DTCs are output	A
DTC C1694 is output ("Panoramic View Monitor")	B
DTC C1694 is output ("Parking Assist Camera")	C

END (SETTINGS ARE DEFECTIVE)

REPLACE PARKING ASSIST ECU

REPLACE TELEVISION CAMERA ASSEMBLY

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Meter / Gauge System(for Hv Model): Terminals Of Ecu
TERMINALS OF ECU COMBINATION METER ASSEMBLY (a) Measure the voltage and resistance and check for pulses according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description Signal Input/Output Condition Specified Condition G16-1 (ILL-) - Body ground LA-L - Body groun ...

Toyota Avalon (XX50) 2019-2022 Owners Manual