Page 16 of 38

80C-16V2 MR-372-J84-80C000$060.mif
XENON BULBS
Fault finding – Interpretation of faults80C
Program No.: V010
Vdiag No.: 05
AFTER REPAIRTurn on the dipped headlights and check that initialisation is performed.
If there is no initialisation, deal with the system faults.
Adjust the headlights manually after each computer calibration.
Carry out a road test followed by a check with the diagnostic tool.
DF001
CONTINUED 2
3.DEFNOTESNone.
Check the insulation against + 12 V of the connection between:
ABS computer track 23Xenon bulb computer track 4
Check the condition of the computer connections and repair if necessary.
4.DEF
NOTESNone.
Make sure that parameter PR019 Vehicle speed is consistent.
Check the faults of the ABS circuit (see 38C, Anti-lock braking system). If any faults are present, deal with
them first.
Then check the continuity and absence of interference resistance between:
ABS computer track 23.Xenon bulb computer track 4.
5.DEF
NOTESThis fault reappears every time configuration CF003 Vehicle
type is run.
If the computer has not been calibrated, it indicates fault DF001 Computer fault.
In this case, consult command CF001 Computer calibration.
If the fault is still present contact Techline.
Page 17 of 38

80C-17V2 MR-372-J84-80C000$060.mif
XENON BULBS
Fault finding – Interpretation of faults80C
Program No.: V010
Vdiag No.: 05
AFTER REPAIRTurn on the dipped headlights and check that initialisation is performed.
If there is no initialisation, deal with the system faults.
Adjust the headlights manually after each computer calibration.
Carry out a road test followed by a check with the diagnostic tool.
DF001
CONTINUED 3
6.DEFNOTESNone.
If the vehicle configuration has not been done, the computer indicates fault DF001 Computer fault.
In this case, consult command CF003 Vehicle type, and configure the computer for the type of vehicle involved.
If the problem is still present, contact the Techline.
7.DEF
NOTESDeal with other system faults first.
If fault DF001appears with Internal computer error status, contact the Techline.
8.DEF
NOTESNone.
Check the continuity and for the absence of interference resistance between:
Right-hand headlight adjustment motor track 2Xenon bulb computer track 7
Left-hand headlight adjustment motor track 2Xenon bulb computer track 7
Check the condition of the connections as well as the xenon bulb computer and adjustment motor connections.
Repair if necessary.
Page 18 of 38

80C-18V2 MR-372-J84-80C000$060.mif
XENON BULBS
Fault finding – Interpretation of faults80C
Program No.: V010
Vdiag No.: 05
AFTER REPAIRTurn on the dipped headlights and check that initialisation is performed.
If there is no initialisation, deal with the system faults.
Adjust the headlights manually after each computer calibration.
Carry out a road test followed by a check with the diagnostic tool.
DF001
CONTINUED 4
9.DEFNOTESNone.
Check the insulation from earth of the connection:
Right-hand headlight adjustment motor track 2Xenon bulb computer track 7
Left-hand headlight adjustment motor track 2Xenon bulb computer track 7
Check the condition of the connections as well as the xenon bulb computer and adjustment motor connections.
Repair if necessary.
10DEF
NOTESNone.
Check the insulation against + 12 V of the connection between:
Right-hand headlight adjustment motor track 2Xenon bulb computer track 7
Left-hand headlight adjustment motor track 2Xenon bulb computer track 7
Check the condition of the connections as well as the xenon bulb computer and adjustment motor connections.
Repair if necessary.
11.DEF
NOTESNone.
If the battery voltage is too low (<10 V), check the condition of the battery and recharge or replace if necessary.
Then check the vehicle's charge circuit.
Page 19 of 38

80C-19V2 MR-372-J84-80C000$060.mif
XENON BULBS
Fault finding – Interpretation of faults80C
Program No.: V010
Vdiag No.: 05
AFTER REPAIRTurn on the dipped headlights and check that initialisation is performed.
If there is no initialisation, deal with the system faults.
Adjust the headlights manually after each computer calibration.
Carry out a road test followed by a check with the diagnostic tool.
DF008
PRESENT
OR STOREDFRONT HEIGHT SENSOR CIRCUIT1.DEF: Signal outside upper limit
2.DEF: Signal outside lower limit
3.DEF:Signal outside permitted limit on initialisation
4.DEF: Internal electronic fault
NOTESThe fault is declared present after a road test.
1.DEF
NOTESNone.
Check the front height sensor connections.
Repair if necessary.
Check the condition of the sensor linkage rod.
If it is damaged, the signal will be outside the limits.
Check the condition of the front sensor connection harness (pinching, breaks, etc.).
Repair if necessary.
2.DEF
NOTESNone.
Check the front height sensor connections.
Repair if necessary.
Check the condition of the sensor linkage rod.
If it is damaged, the signal will be outside the limits.
Check the condition of the front sensor connection harness (pinching, breaks, etc.).
Repair if necessary.
LAD_V05_DF008
Page 20 of 38
80C-20V2 MR-372-J84-80C000$060.mif
XENON BULBS
Fault finding – Interpretation of faults80C
Program No.: V010
Vdiag No.: 05
AFTER REPAIRTurn on the dipped headlights and check that initialisation is performed.
If there is no initialisation, deal with the system faults.
Adjust the headlights manually after each computer calibration.
Carry out a road test followed by a check with the diagnostic tool.
DF008
CONTINUED
3.DEFNOTESNone.
Check the front height sensor connections.
Repair if necessary.
Check the condition of the sensor linkage rod.
If it is damaged, the signal will be outside the limits.
Check the condition of the front sensor connection harness (pinching, breaks, etc.).
Repair if necessary.
4.DEF
NOTESNone.
If fault DF008 appears with the Internal electronic fault status, contact the Techline.
Page 21 of 38

80C-21V2 MR-372-J84-80C000$060.mif
XENON BULBS
Fault finding – Interpretation of faults80C
Program No.: V010
Vdiag No.: 05
AFTER REPAIRTurn on the dipped headlights and check that initialisation is performed.
If there is no initialisation, deal with the system faults.
Adjust the headlights manually after each computer calibration.
Carry out a road test followed by a check with the diagnostic tool.
DF009
PRESENT
OR STOREDREAR HEIGHT SENSOR CIRCUIT
CC.0: Short circuit to earth
CC.1: Short circuit to + 12 V
1.DEF: No signal
2.DEF : Signal outside upper limit
3.DEF: Signal outside lower limit.
4.DEF: Signal outside limit on initialisation
5.DEF: Inconsistent signal
NOTESThe fault is declared present after a road test.
CC.0
NOTESNone.
Check the condition of the contacts and connections of the xenon bulb computer and rear height sensor.
Check the continuity and insulation against earth between:
Track 6 of the rear level sensor connectorTrack 3 of the xenon bulb computer connector
Track 5 of the rear level sensor connectorTrack 8 of the xenon bulb computer connector
Then check the insulation of this connection against earth.
If the problem is still present, contact the Techline.
CC.1
NOTESNone.
Check the condition of the contacts and connections of the xenon bulb computer and rear level sensor.
Check the continuity and insulation against + 12 V between:
Track 6 of the rear level sensor connectorTrack 3 of the xenon bulb computer connector
Track 5 of the rear level sensor connectorTrack 8 of the xenon bulb computer connector
Then check the insulation of this connection against earth.
If the problem is still present, contact the Techline.
LAD_V05_DF009
Page 22 of 38

80C-22V2 MR-372-J84-80C000$060.mif
XENON BULBS
Fault finding – Interpretation of faults80C
Program No.: V010
Vdiag No.: 05
AFTER REPAIRTurn on the dipped headlights and check that initialisation is performed.
If there is no initialisation, deal with the system faults.
Adjust the headlights manually after each computer calibration.
Carry out a road test followed by a check with the diagnostic tool.
DF009
CONTINUED 1
1.DEFNOTESNone.
Check the condition of the contacts and connections of the xenon bulb computer and rear height sensor.
Check the continuity and absence of interference resistance between:
Track 6 of the rear level sensor connectorTrack 3 of the xenon bulb computer connector
Track 5 of the rear level sensor connectorTrack 8 of the xenon bulb computer connector
Track 1 of the rear level sensor connector Vehicle earth
If the problem is still present, contact the Techline.
2.DEF
NOTESNone.
Check the condition of the rear sensor linkage and that it is correctly fitted.
Replace if necessary.
Check the condition of the contacts and connections of the xenon bulb computer and rear level sensor.
Check the continuity and absence of interference resistance between:
Track 6 of the rear level sensor connectorTrack 3 of the xenon bulb computer connector
Track 5 of the rear level sensor connectorTrack 8 of the xenon bulb computer connector
Next check the insulation of these connections against earth, and then against + 12 V.
If the problem is still present, contact the Techline.
Page 23 of 38

80C-23V2 MR-372-J84-80C000$060.mif
XENON BULBS
Fault finding – Interpretation of faults80C
Program No.: V010
Vdiag No.: 05
AFTER REPAIRTurn on the dipped headlights and check that initialisation is performed.
If there is no initialisation, deal with the system faults.
Adjust the headlights manually after each computer calibration.
Carry out a road test followed by a check with the diagnostic tool.
DF009
CONTINUED 2
3.DEFNOTESNone.
Check the condition of the rear sensor linkage and that it is correctly fitted.
Replace if necessary.
Check the condition of the contacts and connections of the xenon bulb computer and rear level sensor.
Check the continuity and absence of interference resistance between:
Track 6 of the rear level sensor connectorTrack 3 of the xenon bulb computer connector
Track 5 of the rear level sensor connectorTrack 8 of the xenon bulb computer connector
Next check the insulation of these connections against earth, and then against + 12 V.
If the problem is still present, contact the Techline.
4.DEF
NOTESNone.
Check the condition of the rear sensor linkage and that it is correctly fitted.
Replace if necessary.
Check the condition of the contacts and connections of the xenon bulb computer and rear level sensor.
Check the continuity and absence of interference resistance between:
Track 6 of the rear level sensor connectorTrack 3 of the xenon bulb computer connector
Track 5 of the rear level sensor connectorTrack 8 of the xenon bulb computer connector
Next check the insulation of these connections against earth, and then against + 12 V.
If the problem is still present, contact the Techline.