Page 719 - Workshop Manual - Tunland (2017)
P. 719
DIAGNOSTICS - ENGINE CONTROL SYSTEM 04-33
04
Failure code Diagnostic items (DTC definition) Trouble location
• Turbocharger actuator
• ECM
• Intake heater
Engine intake heater 1 circuit -volt-
• Intake heater relay
P2555 age is above normal or shorted to • Intake heater relay and its harness
high voltage power supply
• ECM
• Intake heater
Engine intake heater 1 circuit - volt-
• Intake heater relay
P2556 age is below normal or shorted to low
• Intake heater relay and its harness
voltage power supply
• ECM
• Variable geometry turbocharger
VGT actuator controller - intelligent actuator and its harness
P2634
device or component failure • Postprocessing system
• ECM
• Variable geometry turbocharger
VGT actuator driver circuit - Condi-
P2635 actuator and its harness
tion exists
• ECM
• Variable geometry turbocharger
VGT actuator drive circuit - abnormal
P2636 actuator and its harness
updating speed
• ECM
• Postprocessing diesel particulate
postprocessing diesel particulate filter filter
pressure differential - data is valid, • Postprocessing diesel particulate
P2639
but above normal operating range - filter differential pressure sensor
lowest severity level and its harness
• ECM
Engine coolant temperature - data • Coolant temperature sensor and
P2963 valid but above normal operating its harness
range - lowest severity level • ECM
• Intake manifold pressure tempera-
Intake Manifold 1 temperature - data ture sensor and its harness
P2964 is valid but above normal operating
• Intake system
range - lowest severity level
• ECM
• Intake manifold pressure tempera-
Intake Manifold 1 pressure - data is ture sensor and its harness
P2973
unstable, intermittent or incorrect • Intake system
• ECM
Postprocessing preheat diesel oxida- • Postprocessing DOC temperature
P3152
tion converter inlet temperature sen- sensor and postprocessing DOC
