Page 119 of 179

87B-119
MR-413-X44-87B000$624.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
ET087
CONTINUED
Check the insulation, continuity and the absence of interference resistance on the following connections:
●Connection code SPB3 between components 203 and 1016.
●Connection code BPT3 between components 203 and 645.
●Connection code 21E between components 1512 and 203.
●Connection code 21C between components 1512 and 203.
●Connection code 22D between components 1512 and 133.
●Connection code 22C between components 1512 and 133.
●Connection code MAM between component 1512 and earth MAM.
●Connection code MAM between component 203 and earth MAM.
For vehicles fitted with a sunroof:
●Connection code 21K, between components 1579 and 645.
●Connection code MAM between component 1579 and earth MAM.
●Connection code BP93 between component 1579 and earth 1016.
If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical
wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.
If the fault is still present, contact the Techline.
AFTER REPAIRRepeat the conformity check from the start.
Carry out fault finding on the system.
Page 166 of 179
87B -166
MR-413-X44-87B000$864.mif
V5
UCH
Vdiag No.: 44PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Customer complaints87B
ENERGY MANAGEMENT87B
NO + ACCESSORIES FEED ALP 26
NO + AFTER IGNITION FEED ACTIVATION OR
+ AFTER IGNITION FEED REMAINS JAMMEDALP 27
BATTERY WARNING LIGHT COMES ON ALP 28
STARTER NOISY ALP 29
LOW LIGHT INTENSITY ALP 30
SUNROOF87B
THE SUNROOF DOES NOT WORK ALP 31
MEMORY KEY87B
NO INFORMATION IN THE KEYFAULT
FINDING
CHART
32
EXTERNAL TEMPERATURE DISPLAY 87B
NO EXTERNAL TEMPERATURE DISPLAYALP 33
Page 174 of 179
87B -174
MR-413-X44-87B000$912.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
UCH
Vdiag No.: 44
87B
* SR.: Sunroof
ALP 31 The sunroof does not work
NOTESOnly consult this customer complaint after a complete check using the diagnostic
tool and after having applied the interpretation of DF065 Electric window
authorisation connection.
Check that nothing is obstructing the operation of the sunroof.
Repair if necessary.
Check the condition of fuses F26 (20 A) and F31 (30 A) in the passenger compartment fuse and relay box
(component code 1016).
Replace the fuse if necessary.
For vehicles equipped with a sunroof, check that the LC070 One-touch windows/SR* is With. Otherwise,
perform CF173 One-touch windows/SR*.
If CF173 One-touch windows/SR* is With, (see MR 411 Mechanical, 87D Electric windows - Sunroof).
AFTER REPAIRCarry out a complete check using the diagnostic tool.
UCH_V44_ALP31