Toyota Tundra Service Manual: Inspection

INSPECTION

PROCEDURE

1. INSPECT WATER INLET SUB-ASSEMBLY WITH THERMOSTAT

HINT:

The valve opening temperature is stamped on the water inlet with thermostat.

(a) Immerse the water inlet with thermostat in water and gradually heat the water.

(b) Check the valve opening temperature.

Standard valve opening temperature:

80 to 84°C (176 to 183°F)

If the valve opening temperature is not within the specified range, replace the water inlet sub-assembly with thermostat.

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 water inlet sub-assembly with thermostat.

(d) Check that the valve is fully closed when the water inlet with thermostat is at a low temperature (below 77°C (171°F)).

If it is not fully closed, replace the water inlet sub-assembly with thermostat.

Toyota Tundra Service Manual > Engine Immobiliser System (w/o Smart Key System): Transponder Chip Malfunction (B2793,B2794,B2797,B2798)
DESCRIPTION DTC B2793 is stored when a malfunction is found in the key during key ID code registration or a key ID code is not registered normally. Replace the key if key ID code registration cannot be performed normally and this DTC is output. DTC B2794 is stored when a key with an incomplete key I ...

Toyota Tundra Owners Manual