Toyota Sienna Service Manual: Precaution
1. PRECAUTION OF HEADLIGHT BULB REPLACEMENT
- When any defects such as deformation, crack, dent, chipping, etc. are identified on the discharge headlight (especially, on the light control ECU), replace it with a new one.
- Even if the operation seems to be normal, the failsafe function may be defective.
- Be careful not to scratch or drop bulbs of the discharge headlight and halogen bulbs (for headlights and fog lights) as they have pressurized gas inside and can be easily broken.
- Touching the HV socket of the discharge headlight with the headlight dimmer switch ON could generate momentary high voltage of 20,000 V and lead to a serious injury.
- Never connect a tester to the high voltage socket of the discharge headlight for measurement, as this leads to a serious injury because of high voltage.
- When performing operation related to the discharge headlight, keep it away from water including rain, turn off the light control switch, and disconnect the battery terminal and the connector of the light control ECU in advance to avoid electric shock.
- When performing operation related to the discharge headlight, start it after assembling is completed and never turn the lights on without a bulb installed.
- Do not turn the discharge headlight on using another power source except vehicle's.
Lighting system
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Parts location
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Other materials:
Fastening the seat belt (for the third center seat)
Take the plate out of the holder,
and then pull down the seat
belt.
Push plate “A” into buckle “A”
until a click sound is heard.
Push plate “B” into buckle “B”
until a click sound is heard.
...
Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter
DESCRIPTION
The stereo jack adapter sends an external device sound signal to the radio
receiver through this circuit.
The sound signal that has been sent is amplified by the stereo component
amplifier or radio receiver, and
then is sent to the speakers.
If there is an open or short in th ...
Shift lock system
On-vehicle inspection
1. CHECK SHIFT LOCK OPERATION
(a) Move the shift lever to the P position.
(b) Turn the ignition switch to the LOCK position.
(c) Check that the shift lever cannot be moved to any
position other than P.
(d) Turn the ignition switch to the on position, depress
the br ...
