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Fiat Grande Punto Factory Service Manual (2005-2012)22 · Fault diagnosis
22 · Diagnostics

Cruise control recall control not working

Make
Fiat
Model
Grande Punto Factory Service Manual
Year
2005–2012
Section
Engine › Cruise control recall control not working
Fault diagnosisCruise control recall control not working

CRUISE CONTROL RECALL CONTROL NOT WORKING

After having deactivated the Cruise Control system by pressing the brake/clutch pedal, when the Cruise Control RECALL button is pressed the speed set previously is not restored

Test results
1CHECK CRUISE CONTROL COMMANDSAll OKProblems encounteredOperation

For the 1.2 8v, 1.4 8v;

Check that the Cruise Control system controls are working properly, in particular the "RECALL" function

Move on to Step 2

1. No continuity for lever contacts

2. Incorrect operation of engine management control unit

1.Replace the Cruise Control stalk assembly

Op. 5550A10 STALK UNIT ASSEMBLY - R+R

2. Replace the engine management control unit

Op. 1056B82 INJECTION/IGNITION SYSTEM E.C.U. (ONE) - R + R

1CHECK CRUISE CONTROL COMMANDSAll OKProblems encounteredOperation

For the 1.3 JTD 75 CV, 1.3 JTD 90 CV, 1.9 JTD 8v;

Check that the Cruise Control system controls are working properly, in particular the "RECALL" function

Move on to Step 2

1. No continuity for lever contacts

2. Incorrect operation of engine management control unit

1.Replace the Cruise Control stalk assembly

Op. 5550A10 STALK UNIT ASSEMBLY - R+R

2. Replace the engine management control unit

Op. 1060G80 DIESEL ELECTRONIC INJECTION CONTROL UNIT - .R

2EARTH POWER SUPPLY CHECKAll OKProblems encounteredOperation

Check that the connector for the cruise control lever is receiving the corrrect supply from an earth signal coming from the Body Computer

See E5060 CRUISE CONTROL

Move on to Step 3

1. Earth signal connection interrupted

2. K line between Cruise lever and Body short circuited to V batt

1. Renew the connection with the body computer

See E5060 CRUISE CONTROL

2. Restore the correct insulation

3CONNECTIONS CHECKAll OKProblems encounteredOperation

Check the electrical continuity of the wiring between the cruise control system control and the body computer: wiring diagram

See E5060 CRUISE CONTROL

Move on to Step 4Connections not correct

Restore the correct connections

See E5060 CRUISE CONTROL

4CAN CHECKAll OKProblems encounteredOperation
Check the correct operation of the CAN using the ExaminerMove on to Step 5

1. CAN connections defective

2. Body Computer defective

1. Restore the correct connections

2. Replace body computer

Op. 5505A32 BODY COMPUTER - R.R

5CHECK ON CORRECT OPERATIONAll OKProblems encounteredOperation

Check that the fault is no longer present

See Test 5580AE CRUISE CONTROL OPERATION ROAD TEST

End of diagnosisThe fault persistsContact the Service Department for further information on the problem

Parts & tools for this job For 2005 Fiat Grande Punto

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