80D-31
MR-413-X44-80D000$900_eng.mif
V1
LIGHTING
Fault finding - Fault Finding Chart80D
If the vehicle lighting is controlled by the UCH (with rain/light sensor):
If the vehicle lighting is not controlled by the UCH (no rain/light sensor):
ALP 6 No dipped headlights
NOTESOnly check this customer complaint after performing a complete check with the
diagnostic tool.
Check, as a priority, the operation of status ET081 Lighting stalk position and
command AC054 Dipped headlights in the UCH. If there is a malfunction on status
ET081 "Lighting stalk position" and command AC054 "Dipped headlights", refer
to the interpretation of status ET081 "Lighting stalk position" and of command
AC054 "Dipped headlights".
Carry out a multiplex network test. If the multiplex
network contains faults (see 88B, Multiplexing).
Check the condition of the bulbs and the cleanliness
of their contacts.
Are the bulbs and their contacts in good
condition?
YES
Replace the light concerned.
Check that fuses F13 (30 A), F34 (15 A) and F35 (15 A) are sound and correctly fitted in the passenger
compartment fuse and relay box.
Replace the fuse if necessary.
Check the condition and connection of the light connector concerned (bent, oxidised, broken tabs).
If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair,
Wiring: Precautions for repair), repair the wiring, otherwise replace it.
NOClean the contacts and replace any bulbs in
poor condition.
AFTER REPAIRCarry out a complete check with the diagnostic tool.
UCH_V44_ALP6
80D-34
MR-413-X44-80D000$900_eng.mif
V1
LIGHTING
Fault finding - Fault Finding Chart80D
If the vehicle lighting is controlled by the UCH (with rain/light sensor):
If the vehicle lighting is not controlled by the UCH (no rain/light sensor):
ALP 7 No main beam headlights
NOTESOnly check this customer complaint after performing a complete check with the
diagnostic tool.
Check, as a priority, the operation of status ET081 Lighting stalk position and
command AC062 Main beam headlights in the UCH. If there is a malfunction on
status ET081 "Lighting stalk position" and command AC062 "Main beam
headlights", refer to the interpretation of status ET081 "Lighting stalk position"
and of command AC062 "Main beam headlights".
Carry out a multiplex network test. If the multiplex
network contains faults (see 88B, Multiplexing).
Check the condition of the bulbs and the cleanliness
of their contacts.
Are the bulbs and their contacts in good
condition?
YES
Replace the light concerned.
Check that fuses F13 (30 A), F32 (10 A) and F33 (10 A) are sound and correctly fitted in the passenger
compartment fuse and relay box.
Replace the fuse if necessary.
Check the condition and connection of the light connector concerned (bent, oxidised, broken tabs).
If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair,
Wiring: Precautions for repair), repair the wiring, otherwise replace it.
Check the condition and connection of the horn and lights switch connector (tabs broken, bent, oxidised).
If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair,
Wiring: Precautions for repair), repair the wiring, otherwise replace it.
NOClean the contacts and replace any bulbs in
poor condition.
AFTER REPAIRCarry out a complete check with the diagnostic tool.
UCH_V44_ALP7
