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Toyota
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2003
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Matrix Base, FWD, Standard
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Repair and Diagnosis (Single Page)
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Engine Performance
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System
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Engine Control System Self Diagnostics
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Diagnostic Tests
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DTC P1692: OCV For VVTL Open Malfunction / Bank No. 1 (Matrix 2ZZ-GE Engine Model Only) & DTC P1693: OCV For VVTL Close Malfunction / Bank No. 1 (Matrix 2ZZ-GE Engine Model Only)
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Possible Causes
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Possible Causes
Open or short in Oil Control Valve (OCV) circuit.
Defective OCV for Variable Valve Timing and Lift (VVTL).
Defective oil pressure switch for VVTL.
Defective ECM.