Failing to investigate the cause of the following warnings may lead to the system operating abnormally and possibly cause an accident.
Have the vehicle inspected by your Toyota dealer immediately.


Stop the vehicle immediately.
Follow the correction procedures.Installation
INSTALLATION
PROCEDURE
1. INSTALL THERMOSTAT
(a) Install a new gasket to the thermostat.
(b) Install the thermostat with the jiggle valve facing upward.
HINT:
The jiggle valve may be set to within 10° on either side of the prescribed
...
Adjustment
ADJUSTMENT
PROCEDURE
1. ADJUST PARK/NEUTRAL POSITION SWITCH ASSEMBLY
(a) Remove the transmission control shaft lever.
HINT:
See the steps from "Remove Cool Air Intake Duct Seal" through "Remove Park/Neutral
Position Switch Assembly" ...
Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL FRONT SEAT WIRE RH (for Front Passenger Side)
(a) Engage each clamp and install the front seat wire RH.
2. INSTALL OCCUPANT CLASSIFICATION ECU (for Front Passenger Side)
3. INSTALL SEAT POSITION SENSOR
4. INSTALL SEA ...