What does VVT-I mean on Toyota?
Variable Valve Timing-intelligent
Tokyo―TOYOTA MOTOR CORPORATION announced today the development of its new “Variable Valve Timing-intelligent” (VVT-i) technology, which increases performance and fuel economy. Engine development today necessitates both better fuel economy and advanced vehicle performance.
What is VVT-i system?
VVT-i, or Variable Valve Timing with intelligence, is an automobile variable valve timing technology developed by Toyota. The Toyota VVT-i system replaces the Toyota VVT offered starting in 1991 on the 5-valve per cylinder 4A-GE engine. The VVT system is a 2-stage hydraulically controlled cam phasing system.
What are VVT codes?
How to determine if the Variable Valve Timing (VVT) System is malfunctioning?
| Check Engine Light (CEL) OBDII Codes | Potential Diagnosis |
|---|---|
| P0011 | Camshaft Position Timing Over-advanced or System Fault Bank 1 |
| P0012 | Camshaft Position Timing Over-retarded Bank 1 |
| P0013 | Camshaft Position Actuator Circuit Bank 1 |
When does the p1349 code come on on a Toyota?
The P1349 code is triggered when the valve timing does not change from of current valve timing or the current valve timing is fixed. P1349 TOYOTA Possible Symptoms Engine Light ON (or Service Engine Soon Warning Light) P1349 Toyota Description
What does the code p1349 mean on a VVT controller?
P1349 Code – General. From there, the VVT controller changes position between the cam and crankshaft. The code, P1349 is triggered when the valve timing isn’t changing from the current valve timing state, or when the valve timing is fixed.
What is the diagnostic code for a Toyota VVT?
P1349 Code – General. Variable Valve Timing System Malfunction – Bank 1. OBD-II code P1349 indicates a problem with the variable valve timing system in your Toyota. Your Toyota’s variable valve timing, or VVT, system is responsible for controlling and adjusting the intake valve timing according to driving conditions.
When does a PCM set code p1349?
Regardless of the system though, when a defect, failure, or malfunction occurs anywhere in the VVT system, the PCM will recognize that it cannot control the VVT system effectively, and it will set code P1349 and illuminate a warning light as a result. Where is the P1349 sensor located?