Lexus ES: Inspection
INSPECTION
PROCEDURE
1. INSPECT WATER INLET WITH THERMOSTAT SUB-ASSEMBLY
CAUTION:
- Do not put your hands into the water that has been heated for the inspection.
- Touching the heated water could result in burns.
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HINT:
The valve opening temperature is inscribed on the water inlet with thermostat sub-assembly.
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(a) Immerse the water inlet with thermostat sub-assembly in water and then gradually heat the water.
NOTICE:
Do not allow any water to come into contact with the water inlet with thermostat sub-assembly connector.
(b) Check that the valve of the water inlet with thermostat sub-assembly opens at the specified temperature.
Standard Valve Opening Temperature:
80 to 84°C (176 to 183°F)
If the result is not as specified, replace the water inlet with thermostat sub-assembly.
| (c) Check the valve lift. Standard Valve Lift: 8.0 mm (0.315 in.) or more at 95°C (203°F) If the result is not as specified, replace the water inlet with thermostat sub-assembly. |
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(d) Check that the valve is fully closed when the water inlet with thermostat sub-assembly is at low temperatures (below 72°C (162°F)).
If it is not fully closed, replace the water inlet with thermostat sub-assembly.
(e) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| 1 - 2 | Always | 10.6 to 14.2 Ω |
If the result is not as specified, replace the water inlet with thermostat sub-assembly.
READ NEXT:
Installation
INSTALLATION CAUTION / NOTICE / HINT NOTICE: This procedure includes the installation of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts. Click here
Components
COMPONENTS ILLUSTRATION *1 ENGINE WATER PUMP ASSEMBLY (WATER INLET HOUSING) *2 GASKET N*m (kgf*cm, ft.*lbf): Specified torque ● Non-reusable part
SEE MORE:
Certification ECU Vehicle Information Reading/Writing Process Malfunction (B15F7)
DESCRIPTION This DTC is stored when items controlled by the certification ECU (smart key ECU assembly) cannot be customized via the navigation system vehicle customization screen. HINT: The certification ECU (smart key ECU assembly) controls the smart access system with push-button start (for Entry
Lost Communication with Haptic Device (B1323-B1326)
DESCRIPTION These DTCs are stored when communication between the radio receiver assembly and remote touch (remote operation controller assembly), combination meter assembly, headup display (meter mirror sub-assembly)* or clock assembly is not possible.
*: w/ Headup Display System
DTC No.
