This DTC is designed to detect opens or shorts in the camshaft oil control valve (OCV) circuit. If the OCV duty-cycle is excessively high or low while the engine is running, the ECM will illuminate the MIL and store the DTC.

Land Cruiser URJ200 URJ202 GRJ200 VDJ200 3UR-FE ENGINE CONTROL

Warm up the engine.

If any of the following DTCs are stored, the ECM enters fail-safe mode to allow the vehicle to be driven temporarily.

Check and ensure the following conditions:

Land Cruiser URJ200 URJ202 GRJ200 VDJ200 3UR-FE ENGINE CONTROL

Connect the intelligent tester to the DLC3.

The diagnosis system operates in normal mode during normal vehicle use. In normal mode, 2 trip detection logic is used to ensure accurate detection of malfunctions. Check mode is also available as an option for technicians. In check mode, 1 trip detection logic is used for simulating malfunction symptoms and increasing the ability of the system to detect malfunctions, including intermittent problems (intelligent tester only).

WAVEFORM 1:

Land Cruiser URJ200 URJ202 GRJ200 VDJ200 3UR-FE ENGINE CONTROL