㧙㧙
TROUBLESHOOTING
˴
If this product is not functioning properly, make sure all wiring and/or hose routing is connected
properly and refer to the symptoms described below.
SYMPTOM
CAUSE
SOLUTION
The unit does
not turn on.
Error Number
appears.
Boost is unstable.
Boost does not
increase.
Boost control
malfunction
Boost increases
excessively.
Warning function
doesn't work.
Setting cannot
be changed.
Warning function
activates when
the power is on.
Connect the crimp connector securely.
Replace the fuse and make sure the harness
is not shorted.
Remove paint or rust from the grounding point.
Refer to Section 7.
Check the actuator characteristics and adjust
accordingly (if applicable).
Reset all values within capable setting range.
Reset and re-enter all data.
Make sure hose connections are correct using
the proper exhaust bypass hose routings.
Check hoses, replace if necessary.
Replace the vacuum filter.
Input a smaller number than the current Response
or Overboost Value.
Input a smaller number than the current Warning
Value.
Turn off the Data Lock.
Reset all data with the engine off and
the Ignition key in the ON position. (Ref. 6-4)
Bad connection.
Fuse is blown.
Ground is disconnected or bad.
Refer to Section 7.
Actuator incapacity
Insufficent valve area/stroke
Insufficient turbo output capacity.
Incorrect settings.
Incorrect hose connections.
Hose(s) are disconnected or cut.
Dirt buildup in the vacuum filter.
Incorrect matching of Response
or Overboost Value.
Boost exceeds the Warning Value
for insufficient time.
Data Lock is on.
The sensor learning value of
the boost sensor is incorrect.
