INSPECTION
PROCEDURE
1. INSPECT THERMOSTAT
HINT:
The valve opening temperature is inscribed on the thermostat.
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(a) Immerse the thermostat in water, and then gradually heat the water. |
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(b) Check that the valve of the thermostat opens at the specified temperature.
Standard valve opening temperature:
80 to 84°C (176 to 183°F)
If the valve does not open as specified, replace the thermostat.
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(c) Check the valve lift. Standard valve lift: 10 mm (0.394 in.) or more at 95°C (203°F) If the valve lift is not as specified, replace the thermostat. |
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(d) Check that the valve is fully closed when the thermostat is at a low temperature (below 77°C (171°F)).
If the valve is not fully closed, replace the thermostat.
Removal
InstallationStarting the engine
Shift the shift lever to “P” and
apply the brakes.
Touch the Toyota emblem side of the electronic key to the “ENGINE START STOP”
switch.
An alarm will sound to indicate that the start function cannot detect the electronic
key that is touched ...
Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)
(P0128)
DESCRIPTION
HINT:
This DTC relates to the thermostat.
This DTC is stored when the engine coolant temperature does not reach 75°C (167°F)
despite sufficient engine warm-up time having elapsed.
DTC No.
DTC Detection Condition
...
Brake Signal Malfunction (B2284)
DESCRIPTION
The power management control ECU receives brake signal information from 2 sources.
It receives a signal from the stop light switch assembly via a direct line, and
a signal from the ECM via CAN. If the information from these 2 sources is incons ...