Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000VJ8J
Model Year Start: 2016 Model: Sienna Prod Date Range: [12/2015 - 11/2017]
Title: PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: C1694; Steering Angle Initialization Incomplete; 2016 - 2017 MY Sienna [12/2015 - 11/2017]

DTC

C1694

Steering Angle Initialization Incomplete

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).

DTC Code

DTC Detection Condition

Trouble Area

C1694

Maximum steering angle has not been memorized

  • Steering angle setting
  • Parking assist ECU

CAUTION / NOTICE / HINT

NOTICE:

  • When "System is initializing" is displayed on the parking assist ECU after disconnecting the cable from the negative (-) battery terminal, correct the steering angle neutral point (See page 2016 - 2017 MY Sienna [12/2015 - 11/2017]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: INITIALIZATION ).
  • 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 parking assist monitor system may be needed (See page 2016 - 2017 MY Sienna [12/2015 - 11/2017]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: CALIBRATION ).

PROCEDURE

1.

PERFORM SETTINGS (STEERING ANGLE SETTING)

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

(1) Refer to steering angle setting (See page 2016 - 2017 MY Sienna [12/2015 - 11/2017]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: CALIBRATION ).

NEXT

2.

CHECK FOR DTC

(a) Clear the DTCs (See page 2016 - 2017 MY Sienna [12/2015 - 11/2017]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: DTC CHECK / CLEAR ).

(b) Check for DTCs (See page 2016 - 2017 MY Sienna [12/2015 - 11/2017]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: DTC CHECK / CLEAR ).

OK:

DTC C1694 is not output.

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.
OK

END (SETTINGS ARE DEFECTIVE)

NG

REPLACE PARKING ASSIST ECU