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Home >> Toyota >> 2001 >> Highlander Limited, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Self-Diagnostics - V6 >> Diagnostic Tests >> DTC P1346 Or P1351: Variable Valve Timing Circuit Range/Performance >> Notes
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DTC P1346 Or P1351: Variable Valve Timing Circuit Range/Performance: Notes

CAUTION: If ECM replacement is instructed in following testing, always ensure ECM connectors and ground circuits are okay. If either are defective, repair and repeat testing to confirm ECM malfunction. If ECM is replaced, ECM must be programmed with proper ignition key code for engine immobilizer system. For programming procedures, see COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION, or appropriate ENGINE IMMOBILIZER SYSTEMS article in ACCESSORIES & EQUIPMENT.
NOTE: For component location, see appropriate illustration in THEORY & OPERATION article.
NOTE: Bank No. 1 refers to bank which includes cylinder No. 1. Bank No. 2 refers to bank without cylinder No. 1.
NOTE: Variable Valve Timing (VVT) sensor may also be referred to as camshaft position sensor.