Monitor Runs Whenever Following Dtcs Are Not Present - Toyota 2GR-FE Manual

ES–252
Reference: Inspection using an oscilloscope
ES
HINT:
• The correct waveform is as shown.
• EV1+ and EV2+ stand for the VVT sensor signal, and NE+ stands for the CKP sensor signal.
Item
Terminal
Equipment Setting
Condition
MONITOR DESCRIPTION
If no signal is transmitted by the VVT sensor despite the engine revolving, or the rotations of the camshaft
and the crankshaft are not synchronized, the ECM interprets this as a malfunction of the sensor.
MONITOR STRATEGY
Related DTCs
Required Sensors/Components (Main)
Required Sensors/Components (Sub)
Frequency of Operation
Duration
MIL Operation
Sequence of Operation
TYPICAL ENABLING CONDITIONS
All:

Monitor runs whenever following DTCs are not present

2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
EV1, EV2 and NE Signal Waveform
NE
EV1
EV2
Content
NE+ - NE-
EV1+ - EV1-
EV2+ - EV2-
5 V/DIV.
20 ms./DIV.
Cranking or idling
5 V/DIV.
GND
GND
GND
20 ms./DIV.
A140642E02
P0365: VVT sensor (Bank 1) open/short
P0365: VVT position/Crankshaft position misalignment (Bank 1)
P0367: VVT position sensor (Bank 1) range check (low voltage)
P0368: VVT position sensor (Bank 1) range check (high voltage)
P0390: VVT sensor (Bank 2) open/short
P0390: VVT position/Crankshaft position misalignment (Bank 2)
P0392: VVT position sensor (Bank 2) range check (low voltage)
P0393: VVT position sensor (Bank 2) range check (high voltage)
VVT position sensor (Bank 1 and 2)
Crankshaft position sensor
Continuous
5 seconds
2 driving cycles: P0365, P0390 (cranking)
Immediate: Others
None
None