Lexus NX: On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY
(a) Connect the Techstream to the DLC3.
(b) Turn the Techstream on.
(c) Put the engine in inspection mode (maintenance mode).
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(d) Start the engine.
(e) Warm up the engine.
(f) Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the VVT Linear (Bank1).
Powertrain > Engine and ECT > Active Test| Tester Display |
|---|
| Control the VVT Linear (Bank1) |
(g) Check the engine speed while operating the Oil Control Valve (OCV) using the Techstream.
Standard Condition:
| Control Range | Specified Condition |
|---|---|
| 0% | Normal engine speed |
| 100% | Soon after OCV switched from OFF to ON, engine idles roughly or stalls |
If the operation is not as specified, check the camshaft timing oil control valve assembly, wire harness and ECM.
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Removal
REMOVAL PROCEDURE 1. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY Click here 2. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (a) Disconnect the camshaft timing oil control valve assembly connect
Inspection
INSPECTION PROCEDURE 1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Conditi
Installation
INSTALLATION PROCEDURE 1. INSTALL CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (a) Apply a light coat of engine oil to a new O-ring and install the O-ring to the camshaft timing oil control valve assemb
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