Page 713 - Workshop Manual - Tunland (2017)

DIAGNOSTICS - ENGINE CONTROL SYSTEM 04-27

04
Failure code Diagnostic items (DTC definition) Trouble location
• Oil rail pressure sensor or fuel
pump actuator connector is in poor
operating range - medium severity contact, the harness is open or
level
shorted
• ECM

• Oil rail pressure sensor
• Fuel pump actuator
Fuel injector metering oil rail 1 pres-
• Oil rail pressure sensor or fuel
sure- data is valid but below normal
P559 pump actuator connector is in poor
operating range - medium severity contact, the harness is open or
level
shorted
• ECM
• Starter relay
Starter motor relay drive circuit -
• The harness of relay or ECM is
P584 voltage is above normal or shorted
open, break or short
to high voltage power supply
• ECM
• Starter relay
Starter motor relay drive circuit - • The harness of relay or ECM is
P585 voltage is below normal or shorted
open, break or short
to high voltage power supply
• ECM

Battery charging system voltage - • Battery
P596 data is valid but above normal oper- • Generator and its harness
ating range - medium severity level • ECM

Battery charging system voltage - • Battery
P597 data is valid but below normal operat- • Generator and its harness
ing range - medium severity level • ECM

Battery charging system voltage - • Battery
P598 data is valid but below normal operat- • Generator and its harness
ing range - highest severity level • ECM

Engine oil change intervals - prob-
P649 • ECM and its harness
lems exist
• 5V power line, signal line or return
line for engine harness is open or
Engine crankshaft speed / position -
shorted
P689 Data is unstable, intermittent or incor-
• Engine speed sensor is damage or
rect
fault
• ECM

Turbocharger 1 compressor inlet
P691 • Intake mass flow sensor
temperature circuit - Voltage is above