Page 717 - Workshop Manual - Tunland (2017)
P. 717
DIAGNOSTICS - ENGINE CONTROL SYSTEM 04-31
04
Failure code Diagnostic items (DTC definition) Trouble location
• ECM
Sensor power 4 circuit - voltage is • Accelerator pedal position sensor
P2185 above normal or shorted to low volt-
• ECM and engine harness
age power supply
Sensor power 4 circuit - voltage is
• Accelerator pedal position sensor
P2186 below normal or shorted to low volt-
• ECM and engine harness
age power supply
Variable geometry turbocharger actu- • Variable geometry turbocharger
P2198 ator drive circuit - root cause un- actuator
known • ECM and engine harness
• EGR valve position sensor
• Open circuit in harness, connector
EGR valve position circuit - voltage
or sensor loop
P2271 is above normal or shorted to high
• The signal line is short to the sen-
voltage power supply
sor power
• ECM
• EGR valve position sensor
• The signal circuit is open or shorted
EGR valve position circuit - voltage to the ground
P2272 is below normal or shorted to low • Power line is open or shorted to
voltage power supply ground
• Sensor is shorted to the ground
• ECM
Electronic fuel injection control valve • Fuel pump actuator and its harness
P2311
circuit - fault exist • ECM
Engine crankshaft speed / position - • Crankshaft position sensor and its
P2321 Data is unstable, intermittent or incor- harness
rect • ECM
Engine camshaft speed / position • Camshaft position sensor and its
P2322 sensor - Data is unstable, intermittent harness
or incorrect • ECM
EGR valve control circuit - voltage is
• EGR valve and its harness
P2351 below normal or shorted to low volt-
• ECM
age power supply
EGR valve control circuit - voltage is
• EGR valve and its harness
P2352 above normal or shorted to high
• ECM
voltage power supply
EGR valve control circuits - mechan- • EGR valve and its harness
P2357 ical systems are not responsive or
• ECM
misaligned
