Page 441 - Foton Workshop Manual - Tunland (AT)

DIAGNOSTICS - ENGINE CONTROL SYSTEM 04-295

DTC inspection
DTC DTC definition Trouble location
conditions
position, the actuator and its
exists - abnormal diagnosis continues harness
updated rate
to run. • ECM
04
• After the key switch
is turned on for the
first time, the
diagnosis continues
to run .
VGT actuator drive • When the key
circuit (motor) -
switch is turned on • Turbocharger
P3616 mechanical system is
for the first time, the • ECM
not responsive or
key switch must be
misaligned.
completely shut
down for more than
30 seconds, and
then the diagnosis
will run.

• Variable geometry
• After the engine
VGT actuator drive turbocharger
operates or the key
circuit (motor) - actuator and its
switch is in the ON
P2387 mechanical system is harness
position, the
not responsive or diagnosis continues • Postprecessing
misaligned. system
to run.
• ECM

• After the engine
Variable geometry operates or the key • Turbocharger
turbocharger actuator switch is in the ON
P4956 actuator
software - beyond position, the • ECM
calibration diagnosis continues
to run.

• After the engine
Variable geometry operates or the key • Turbocharger
turbocharger actuator switch is in the ON
P4957 actuator
software - problems position, the • ECM
exist diagnosis continues
to run.

• After the engine
Variable geometry operates or the key • Turbocharger
turbocharger actuator switch is in the ON
P5177 actuator
software - abnormal position, the • ECM
update rate diagnosis continues
to run.

Page 441