•
Check if the throttle body and the intake duct are clean. If OK, replace the throttle body
Front throttle minimum mechanical position self-acquisition P0182
•
failed test
Error cause
•
Position of the throttle stop not within the expected field (at each key ON)
Troubleshooting
•
Check if the throttle body and the intake duct are clean. If OK, replace the throttle body
Detection of the front throttle Recovery conditions (air temp., water temp.) P0183
•
possible presence of ice
Error cause
•
A correct throttle rotation cannot be detected given low ambient and engine temperatures:
some ice may have formed in the duct (at each key ON). The instrument panel does not
indicate the presence of this error even in the ATT status
Troubleshooting
•
Check that the throttle body is clean and that there is no ice or condensation in the intake
duct. If OK, replace the throttle body
Front throttle power supply voltage during self-learning P0184
•
low supply voltage
Error cause
•
The throttle power supply voltage is too low to carry out the self-acquisition test correctly (at
each key ON). The instrument panel does not indicate the presence of this error even in the
ATT status
Troubleshooting
•
Delete errors hindering throttle self-learning.
Front throttle position error P0187
•
misalignment between control and activation
Error cause
•
The throttle mechanical control may be damaged
Troubleshooting
•
Replace the throttle body
DIAGNOSIS INSTRUMENT: ADJUSTABLE PARAMETERS
Throttle Self-learning
NOTE
THROTTLE BODY ACTIVATION TAKES PLACE EVERY TIME THE KEY IS SET TO ON: CORRECT
ACTIVATION IS INDICATED WHEN THE STOP LIGHTS TURN ON: IF DURING ACTIVATION, THE
Electrical system RSV4 R
ELE SYS - 198
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