Workshop Manuals Factory service & repair Lancia
01 General information02 Specifications03 Manufacturing data and tolerances04 Tightening torques05 Fluids and lubricants06 Maintenance07 Diagnostic checks08 Engine09 Clutch10 Gearbox and differential11 Axles and driveshafts12 Brakes13 Steering14 Suspension and wheels15 Heating, air conditioning and auxiliary units16 Electrical equipment17 Body fittings18 Body panels and frame19 Wiring diagrams and electrical functions20 Wiring harnesses21 Connectors and pin-outs22 Fault diagnosis23 Service news bulletins24 Special tools
Lancia Thesis Factory Service Manual (2002-2009)22 · Fault diagnosis
22 · Diagnostics

Additional heater is not activated by the timer

Make
Lancia
Model
Thesis Factory Service Manual
Year
2002–2009
Section
Climate control › Additional heater is not activated by the timer
Fault diagnosisAdditional heater is not activated by the timer

ADDITIONAL HEATER IS NOT ACTIVATED BY THE TIMER

The additional heater is programmed by the Connect, however the heater does not come on at the time set.

during programming the Connect informs the driver of the correct enabling of the timer;

in this way the heater on signal is sent by the Connect to the additional heater control unit via the climate control node.

STEPOPERATIONS TO BE CARRIED OUTTEST RESULTS
0PRELIMINARY CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check that the battery is properly chargedCheck that the fuel level is not in the "reserve" conditionsMove on to Step1. Charge not correct1. Recharge, if necessary, replace the battery
2. fuel level in "reserve" conditions2. Top up level
1CHECK USING DIAGNOSTIC EQUIPMENTALL OKPROBLEMS ENCOUNTEREDACTION

Using the diagnostic equipment (Examiner or other instruments) connected, check the following information at the CAN network:

  • no control unit not activated;
  • that there are no faulty control units;
  • no control unit with faulty CAN line;
Move on to Step1. Presence of faults1. Continue following the instructions for the diagnostic equipment
2. Climate control system control unit errorMove on to Step
2CHECK USING DIAGNOSTIC EQUIPMENTALL OKPROBLEMS ENCOUNTEREDACTION

Keeping the diagnostic equipment (Examiner or other instruments) connected to the diagnostic socket, check:

  • that there are no faults in the climate control system node
Move on to Step1. Presence of faults1. Continue following the instructions for the diagnostic equipment
2. Supplementary heater control unit faultMove on to Step
3CHECK USING DIAGNOSTIC EQUIPMENTALL OKPROBLEMS ENCOUNTEREDACTION

Keeping the diagnostic equipment (Examiner or other instruments) connected to the diagnostic socket, check:

  • no faults in the supplementary heater control unit
Move on to StepPresence of faultsContinue following the instructions for the diagnostic equipment
4CHECK ON CORRECT OPERATIONALL OKPROBLEMS ENCOUNTEREDACTION
Check that the fault is no longer present

Parts & tools for this job For 2002 Lancia Thesis

Links open Amazon search results in a new tab. As an Amazon Associate I earn from qualifying purchases.