P0277
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Black smoke from exhaust pipe
CHECK ENGINE.
Loss of performance
Injector Circuit Cylinder 6. Short to B+
Fault symptom
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•
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Black smoke from exhaust pipe
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On-Board Diagnostics
Type of diagnosis:
Enable criteria:
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-
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Battery voltage must be above 11V.
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Fault criteria:
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The diagnosis has detected a fault for longer than 0.56s on the low level cable to injector 6 / ground cable to injector 6.
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Dependents:
System reactions to a fault:
OK report:
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Fault criteria not fulfilled.
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Fault handling:
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-
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CHECK ENGINE lights in first driving cycle.
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Diagnostic help
Activate nozzles. NB! Make sure there are no open circuits or short circuits to ground/B+ in the communication cable between the control module and the power stage before activating. The power stage can be damaged if activation takes place in these circumstances.
For more information on DTCs and wiring faults concerning the power stage, see
Power stage, DTCs/cable faults
.
Refer also to the description of readings in
Menu "Read Values"
for more information.
Checking the wiring harness
Jiggle the wiring harness at several points and in different directions to detect intermittent breaks and short circuits. Observe the multimeter, diagnostic tool or test lamp during the check.
