Workshop Manuals Factory service & repair Lancia
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Lancia Thesis Factory Service Manual (2002-2009)22 · Fault diagnosis
22 · Diagnostics

Parking lights not working

Make
Lancia
Model
Thesis Factory Service Manual
Year
2002–2009
Section
Lights › Parking lights not working
Fault diagnosisParking lights not working

PARKING LIGHTS NOT WORKING

The PARKING LIGHTS DO NOT WORK under any circumstances;

The switching on signal for the parking lights (side lights and the no. plate lights) is supplied directly by the Body Computer Node.

The parking lights are switched on by the driver by placing the exterior lights control (C.L.E.) in position "P"; the following are selected by moving the steering column switch unit appropriately:

  • The switching on signal for the parking lights (side lights and the no. plate lights) is supplied directly by the Body Computer Node.
  • The parking lights are switched on by the driver by placing the exterior lights control (C.L.E.) in position "P"; the following are selected by moving the steering column switch unit appropriately:
  • 1. Side lights only on - left or right
  • 2. Side lights on - left and right
STEPOPERATIONS TO BE CARRIED OUTTEST RESULTS
0PRELIMINARY CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check that when the selector is in the "Side lights" position at the C.L.E., the lights come onMove on to StepThe side lights do not come onMove on to Step
1CHECK USING DIAGNOSTIC EQUIPMENT.ALL OKPROBLEMS ENCOUNTEREDACTION

Connect the Examiner diagnostic equipment to the diagnostic socket and check the following at the Body Computer Node:

  • that there are no faults
Move on to StepPresence of faults.Continue following the instructions in the diagnostic table
2CHECK USING DIAGNOSTIC EQUIPMENT.ALL OKPROBLEMS ENCOUNTEREDACTION
Connect the Examiner diagnostic equipment to the diagnostic socket and check the operation of the bulbs through active diagnosisMove on to StepNo lights come on

Replace body computer

See in Op. 5505A32 BODY COMPUTER - R.R.

3PARKING LIGHTS CONTROL CHECKALL OKPROBLEMS ENCOUNTEREDACTION

Check the operation of the selector in the parking lights position

Continue following the instructions in the test 5540AA Exterior lights control operational check (C.L.E.)

Move on to StepSelector not working.

Replace the exterior lights control

See in Op. 5540A20 Exterior lights SWITCH PANEL and instrument panel light dimmer - R.R.

4ELECTRICAL SYSTEM CHECK.ALL OKPROBLEMS ENCOUNTEREDACTION
  • Check the continuity and the insulation of the wiring between the Exterior Lights Control and the dashboard junction unit
  • Check the continuity and the insulation of the wiring inside the dashboard junction unit

    (Wiring Diagram ) E2010 SIDE LIGHTS/NUMBER PLATE LIGHT

  • Check the connection to earth for the C.L.E.
Move on to Step1. Wiring between C.L.E. and Body Computer Node with short circuit or open circuit

1. Restore the electrical connection

(Wiring Diagram ) E2010 SIDE LIGHTS/NUMBER PLATE LIGHT

2. Wiring inside Dashboard Junction Unit broken/not insulated

2. Replace Dashboard Junction Unit

See in Op. 5505A10 Junction UNIT - R.R.

3. Earth not present

3. Restore the electrical connection

(Wiring Diagram ) E2010 SIDE LIGHTS/NUMBER PLATE LIGHT

5CHECK ON CORRECT OPERATIONALL OKPROBLEMS ENCOUNTEREDACTION
Check that the fault is no longer present

Parts & tools for this job For 2002 Lancia Thesis

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