Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM1000000018H8E
Model Year Start: 2018 Model: Sienna Prod Date Range: [11/2017 -           ]
Title: LIGHTING (EXT): LIGHTING SYSTEM: OPERATION CHECK; 2018 - 2020 MY Sienna [11/2017 -        ]

OPERATION CHECK

1. AUTOMATIC LIGHT CONTROL SYSTEM OPERATION CHECK

(a) Turn the ignition switch to ON.

(b) Turn the light control switch to the AUTO position.

(c) Cover the automatic light control sensor.

(d) Check that the taillights and low beam headlights come on.

(e) Uncover the automatic light control sensor.

(f) Check that the low beam headlights and taillights go off.

2. LIGHT AUTO TURN-OFF SYSTEM OPERATION CHECK

(a) When only the taillights are on.

(1) Close the driver side door.

(2) Turn the ignition switch to ON.

(3) Turn the light control switch to the tail position.

(4) Turn the ignition switch off.

(5) Open the driver side door.

(6) Check that the taillights go off immediately.

(b) When low beam headlights are on.

(1) Close all of the doors.

(2) Turn the ignition switch to ON.

(3) Turn the low beam headlights, high beam headlights or front fog lights on.

(4) Turn the ignition switch off.

(5) Open any door.

(6) Close all of the doors.

(7) Check that all of lights go off after 30 seconds (delay function).

HINT:

If the lock button on the key is pushed after the doors are locked, all lights will go off immediately.

3. DAYTIME RUNNING LIGHT SYSTEM OPERATION CHECK

(a) Turn the light control switch off (w/o DRL OFF switch).

(b) Turn the light control switch to tail position (w/ DRL OFF switch).

(c) Start the engine.

(d) Release the parking brake.

(e) Check that the daytime running lights come on.

(f) Check that when the daytime running lights are illuminated, turning the turn signal or hazard switch to on will cause the daytime running lights on the operated side to turn off, and that the daytime running lights illuminate 0.6 seconds after the turn signal or hazard switch is turned off*1.

  • *1: for DRL LED Type

*a

Automatic High Beam Indicator Light

4. AUTOMATIC HIGH BEAM SYSTEM OPERATION CHECK

(a) Check the operation of the automatic high beam indicator light.

(1) Turn the ignition switch to ON.

(2) Move the shift lever to any position except R.

(3) Turn the light control switch to the AUTO position.

(4) Cover the automatic light control sensor to turn the low beam headlights on.

(5) Turn the dimmer switch to the high position.

(6) Check that the automatic high beam indicator light comes on.

HINT:

Make sure the Automatic High Beams is turned on in the customizable features.

NOTICE:

When the forward recognition camera cannot correctly detect objects due to inclement weather such as thick fog or other visual obstructions, the automatic high beam indicator light may not turn on and consequently the automatic high beam system may not operate.

(b) Check the operation of the automatic high beam function.

(1) At night, when driving the vehicle with the automatic high beam system in standby mode, check that the high beams automatically turn on after a short delay when all of the following conditions are met:

  • Vehicle speed is more than approximately 34 km/h (21 mph).
  • The area in front of the vehicle is dark.
  • There are no oncoming vehicles with headlights on.
  • There are no preceding vehicles with taillights on.
  • There are few streetlights along the street ahead.

HINT:

During the test, make sure the camera is not blocked.

(2) At night, when driving the vehicle with the high beams turned on by the automatic high beam system, check that the automatic high beam system turns off the high beams and returns to standby mode when any of the following conditions are met:

  • Vehicle speed is less than approximately 27 km/h (17 mph).
  • The level of ambient light is higher than a specified threshold.
  • There are oncoming vehicles with headlights on.
  • There are preceding vehicles with taillights on.
  • Light from streetlights ahead is higher than a specified threshold.

HINT:

During the test, make sure the camera is not blocked.

5. DOOR MIRROR FOOT LIGHT SYSTEM OPERATION CHECK

(a) The outer mirror foot light system operates as follows

Operation

Condition

Illuminate for 15 seconds, and then fade out

When any of the following conditions is met, the lights illuminate for 15 seconds, and then fade out:

  • The key enters any actuation area around the doors when the engine switch is off and all doors are closed*1.
  • Any door is unlocked when the engine switch is off, all doors are closed and locked.
  • Either driver door control switch or front passenger door control switch is turned to unlock position when ignition switch is ON and shift lever is in P.

Fade out immediately

When any of the following conditions is met, the lights fade out immediately:

  • The ignition switch is turned from off to ACC when all doors are closed.
  • All doors are locked when the ignition switch is off, all doors are closed and any door is unlocked.
  • All doors are locked again when all doors are closed and locked.
  • The shift lever is moved to any position other than P when the ignition switch is ON.

HINT:

*1: When the lights are on, if the key leaves the actuation areas around the doors, after approximately 3 seconds, the door mirror foot lights fade out.