ECU TOYOTA SIENNA 2000 Service Manual

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Lights
Make sure the headlights, stop lights, tail
lights, turn signal lights, and other lights
are all working. Check headlight aim.
Service reminder indicators and warning
buzzers
Check that all service reminder indicators
and warning buzzers function properly.
Steering wheel
Be alert for changes in steering condition,
such as hard steering or strange noise.
Seats
Check that all seat controls such as seat
adjusters, seatback recliner, etc. operate
smoothly and that all latches lock securely
in any position. Check that the head re-
straints move up and down smoothly and
that the locks hold securely in any latched
position. For folding−down rear seatbacks
and detachable rear seats, check that the
latches lock securely.
Seat belts
Check that the seat belt system such as
buckles, retractors and anchors operate
properly and smoothly. Make sure the belt
webbing is not cut, frayed, worn or dam-
aged.Accelerator pedal
Check the pedal for smooth operation and
uneven pedal effort or catching.
Brake pedal
Check the pedal for smooth operation and
that the pedal has the proper clearance.
Check the brake booster function.
Brakes
At a safe place, check that the brakes do
not pull to one side when applied.
Parking brake
Check that the pedal has the proper travel
and that, on a safe incline, your vehicle
is held securely with only the parking
brake applied.
Automatic transmission “Park” mecha-
nism
On a safe incline, check that your vehicle
is held securely with the selector lever in
“P” position and all brakes released.IN THE ENGINE COMPARTMENT
Items listed below should be checked
from time to time, e.g. each time when
refueling.
Washer fluid
Make sure there is sufficient fluid in the
tank. See Section 7−3 for additional infor-
mation.
Engine coolant level
Make sure the coolant level is between
the “FULL” and “LOW” lines on the see−
through reservoir when the engine is cold.
See Section 7−2 for additional information.
Battery electrolyte level
Make sure the electrolyte level of all bat-
tery cells is between upper and lower lev-
el lines on the case. Add only distilled
water when replenishing. See Section 7−3
for additional information.
Brake fluid level
Make sure the brake fluid level is correct.
See Section 7−2 for additional information.
Engine oil level
Check the level on the dipstick with the
engine turned off and the vehicle parked
on a level spot. See Section 7−2 for addi-
tional information.
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Engine compartment
(with daytime running light system)
9. AM2 30 A: “IGN” and “STARTER”
fuses
10. H−LP LH 15 A: Left−hand headlight
11. RADIO NO.1 20 A: Car audio system
12. DOME 10 A: Clock, personal lights,
vanity mirror lights, door courtesy
lights, luggage compartment light, open
door warning light, ignition switch light,
theft deterrent system, daytime running
light system, interior lights
13. ECU−B 10 A: Cruise control system,
SRS warning light, power sliding door
14. DRL 5 A: Daytime running light system
Instrument panel
15. H−LP LH (LWR) 10 A: Left−hand head-
light (low beam)
16. H−LP RH (LWR) 10 A: Right−hand
headlight (low beam)
17. HEATER 10 A: Air conditioning system,
rear window defogger
18. GAUGE 10 A: Gauges and meters,
service reminder indicators and warning
buzzers (except discharge and open
door warning light), power windows,
daytime running light system, back−up
lights
Instrument panel
19. WIPER 25 A: Windshield wipers and
washer
20. MIRROR−HEATER 10 A: Multiport fuel
injection system/sequential multiport
fuel injection system, outside rear view
mirror defogger
21. ECU−IG 15 A: Cruise control system,
anti−lock brake system, locking with
wireless remote control system, theft
deterrent system
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