DTC Code
DTC Detection Strategy
Conditions For Setting The DTC (Control Strategy)
Fault Locations
P0012
P0016
P0026
VVT is not at the default position
1. VVT actual angle and default angle difference greater
than or equal to 20 degrees.
2. Camshaft completed self learn.
3. The engine running time is less than or equal to 1.5
s.
4. Oil Temperature Between -40°C (-40 ºF) and 120°C
(248 ºF) .
5. Coolant Temperature Between 0°C (32 ºF) and
105°C (221 ºF) .
6. Engine Speed Between 600 rpm and 6,000 rpm.
7. No VVT circuit fault set.
1. Valve Timing
2. VVT Solenoid
Valve
3. Solenoid Valve
Filter
4. VVT Actuator
5. ECM
3. Schematic:
4. Diagnostic Steps:
Note
Before carrying out this diagnosis step, observe the data list on scan tool and analyze the accuracy of the data, as
these will help with quick diagnosis.
Step 1
Check whether there are control system DTC codes other than DTC P0011, P0012, P0016 and P0026.
(a)
Connect scan tool to the datalink connector.
(b)
Turn the ignition switch to "ON" position.
(c)
Press the scan tool power button.
(d)
Select the following menu items: Engine/Read DTC codes.
(e)
Read DTC codes.
Results:
DTC Codes Shown
To Step
DTC P0011, P0012, P0016, P0026
Yes
DTC codes other than DTC P0011, P0012,
P0016 and P0026
No
No
Yes
Step 2
Check the following items.
(a)
Check whether the oil viscosity is normal and whether the oil
is clean.
(b)
Observe the Engine oil level. Engine oil level should be within
the work range.
Engine
Control System JL4G15-D
2-641
EC718/EC718RV EC715/EC715RV 10/2009
Summary of Contents for EC715 2009
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