Lexus ES: On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT CAM TIMING OIL CONTROL SOLENOID ASSEMBLY
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Put the engine in Inspection Mode (Maintenance Mode).
Powertrain > Hybrid Control > Utility| Tester Display |
|---|
| Inspection Mode |
(e) Start the engine.
(f) Enter the following menus: Powertrain / Engine / Active Test / Control the Exhaust VVT OCV Duty Ratio Bank 1.
Powertrain > Engine > Active Test| Tester Display |
|---|
| Control the Exhaust VVT OCV Duty Ratio Bank 1 |
(g) According to the display on the Techstream, perform the Active Test and check the engine speed while operating the cam timing oil control solenoid assembly.
Standard Condition:
| Techstream Operation | Engine Condition |
|---|---|
| 0% | Normal engine speed |
| 100% | Engine idles roughly or stalls |
HINT:
-
Refer to "Data List / Active Test" [Exhaust VVT Hold Learn Value Bank 1, Exhaust VVT Change Angle Bank 1, Exhaust VVT OCV Control Duty Ratio Bank 1 and Exhaust VVT Target Angle Bank 1].
Click here
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- Test not possible with the shift lever in P during charge control. Move the shift lever to N to perform test.
- If the DTCs are stored after the Active Test, clear the DTCs.
If the result is not as specified, check the cam timing oil control solenoid assembly, wire harness and ECM.
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Inspection
INSPECTION PROCEDURE 1. INSPECT CAM TIMING OIL CONTROL SOLENOID ASSEMBLY (a) Check the resistance. (1) Measure the resistance according to the value(s) in the table below. Standard Resistance:
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
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Problem Symptoms Table
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Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspect
VC Output Circuit
DESCRIPTION The ECM constantly generates a 5 V power source voltage from the battery voltage supplied to the +B, +B2 (BATT) terminals to operate the microprocessor. The ECM also provides this power to the sensors through the VC output circuit. When the VC circuit has a short circuit, the microproce
