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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 39 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P1345 Or DTC P1350: Variable Valve Timing (VVT) Circuit Malfunction >> Diagnosis & Repair

Diagnosis & Repair

WARNING: This page is about a different car, the 2002 Lexus RX 300. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect suspect VVT sensor connector. Measure resistance between VVT sensor harness connector terminals. Resistance should be 835-1400 ohms at 14-122°F (-10-50°C), or 1060-1645 ohms at 122-212°F (50-100°C). Replace VVT sensor as necessary. If resistance is as specified, go to next step.
  2. Check for open or short circuit in wiring harness between ECM connector and appropriate VVT sensor. Repair as necessary. If wiring harness is okay, inspect VVT sensor installation, signal plate teeth and camshaft timing gear. Repair as necessary. If VVT sensor, signal plate teeth and camshaft timing gear are okay, replace ECM and retest.
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