2398872 - K159 GENERAL FAILURE WARNING LIGHT ON CONSTANTLY

Even if no fault for any of the functions is signalled by the general failure warning light, the warning light in the instrument panel remains on

The following functions cause the activation of the general failure warning light:

  • Inertia switch operation (FIS)
  • Exceeding of speed limit
  • Diesel filter sensor failure (JTD only)
  • Engine oil pressure sensor failure
  • Rain sensor failure (if fitted)
  • Parking sensor failure (if fitted)
  • Dusk sensor failure (if fitted)
  • Window anti-crush safety system failure (HIGH version only)
Results of the tests
0PRELIMINARY CHECKSAll OKProblems metOperation

Carry out the following preliminary checks, in order:

  • Test the engine and start it up
  • Set the speed limit at 30 km/h and road test the vheicle at a higher speed to cause the warning light to come on and the buzzer to sound. Check that the buzzer has not been disabled
  • With the ignition ON, check that the minimum engine oil pressure warning light, water in the diesel filter warning light (for JTD engines) and MIL warning light carry out the initial test and go out on starting.
  • If the vehicle is equipped with a rain sensor, with the ignition ON, place the ring nut on the steering column switch unit right lever in the intermittent position and check that the windscreen wiper system carries out the activation check.
  • If the vehicle is equipped with a dusk sensor, place the ring nut on the left steering column switch unit lever in the AUTO position, cover the sensor and check that the dipped headlamps cone on.
  • If the vehicle is equipped with parking sensors, engage reverse gear and check that the buzzer sounds.
  • If the vehicle is equipped with anti-crush safety sensors for the windows, open the front windows, place an obstacle in the path of the window and activate the closing function. Check that the window stops and opens again
Continue to Step 1The engine does not start in any conditionsContinue as instructed See table   B10  ENGINE DOES NOT START
The buzzer does not sound when the speed limit is exceededContinue as instructed See table   K03  SPEEDOMETER NOT WORKING
The minimum oil pressure warning light does not carry out the initial testContinue as instructed See table   K30  MINIMUM ENGINE OIL PRESSURE WARNING LIGHT NOT WORKING
The minimum oil pressure warning light remains onContinue as instructed See table   K47  MILOMETER/TRIP METER FLASHING
The water in the diesel filter warning light does not carry out the initial testContinue as instructed See table   K122  WATER IN DIESEL FILTER WARNING LIGHT OFF ( DOES NOT CARRY OUT INITIAL TEST)
The water in the diesel filter warning light remains onContinue as instructed See table   K123  WATER IN DIESEL FILTER WARNING LIGHT ON CONSTANTLY
The MIL warning light does not carry out the initial testContinue as instructed See table   K100  MIL WARNING LIGHT DOES NOT WORK
The MIL warning light remains onContinue as instructed See table   K101  M.I.L WARNING LIGHT STAYS ON
The windscreen wipers are not activatedContinue as instructed See table   J30  WHEN IT RAINS, THE WINDSCREEN IS NOT CLEANED AUTOMATICALLY
The buzzer does not sound when reverse gear is engagedContinue as instructed See table   N46  PARKING DEVICE BUZZER NOT WORKING
The dipped headlamps are not automatically activatedContinue as instructed See table   I04  SIDE LIGHTS / NUMBER PLATE LIGHT AND DIPPED BEAMS DO NOT WORK IN AUTO MODE
The windows do not detect the obstacleContinue as instructed See table   M05  MANUAL FRONT WINDOWS NOT WORKING
1CHECK WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Connect the diagnostic equipment and check the operation of the general failure warning light at the instrument panel node through active diagnosisEnd of diagnosisThe warning light does not flashReplace the instrument panel Op. 5560B11