Page 380 of 391
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
87B
87B -380
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
87B
87B -380V9 MR-372-J84-87B000$989mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP50
CONTINUED 4
Retractable door mirror. Left-hand door mirror.
Check the continuity on the switch between the
following connections:
Tilt up:
●Connection code 40C.
●Connection code BCP3 of component 134.
●Connection code MAM.
●Connection code 40E of component 134.
Tilt down:
●Connection code 40C.
●Connection code MAM of component 134.
●Connection code BCP3.
●Connection code 40E of component 134.
Replace the switch if necessary.
AFTER REPAIRCarry out a complete check with the diagnostic tool.
Page 381 of 391

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
87B
87B -381
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
87B
87B -381V9 MR-372-J84-87B000$989mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP50
CONTINUED 5
Check the continuity on the switch between the
following connections:
Tilt left:
●Connection code 40A.
●Connection code BCP3 of component 134.
●Connection code MAM.
●Connection code 40E of component 134.
Tilt right:
●Connection code 40A.
●Connection code MAM of component 134.
●Connection code BCP43.
●Connection code 40E of component 134.
Check the continuity and insulation of the
following connections:
●Connection code 40C.
●Connection code 40A.
●Connection code 40E between components
134 and 239.
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.
Replace the door mirror.
Replace the switch if necessary.
AFTER REPAIRCarry out a complete check with the diagnostic tool.
Page 382 of 391
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
87B
87B -382
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
87B
87B -382V9 MR-372-J84-87B000$989mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP50
CONTINUED 6
Retractable door mirror. Right-hand door mirror.
Check the continuity on the switch between the
following connections:
Tilt up:
●Connection code 40B.
●Connection code BCP3 of component 134.
●Connection code MAM.
●Connection code 40E of component 134.
Tilt down:
●Connection code 40B.
●Connection code MAM of component 134.
●Connection code BCP3.
●Connection code 40E of component 134.
Replace the switch if necessary.
AFTER REPAIRCarry out a complete check with the diagnostic tool.
Page 383 of 391

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
87B
87B -383
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
87B
87B -383V9 MR-372-J84-87B000$989mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP50
CONTINUED 7
Check the continuity on the switch between the
following connections:
Tilt left:
●Connection code 40D.
●Connection code BCP3 of component 134.
●Connection code MAM.
●Connection code 40E of component 134.
Tilt right:
●Connection code 40D.
●Connection code MAM of component 134.
●Connection code BCP3.
●Connection code 40E of component 134.
Check the continuity and insulation of the
following connections:
●Connection code 40C.
●Connection code 40D.
●Connection code 40B between components
134 and 240.
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, replace the door mirror(s).
Replace the switch if necessary.
AFTER REPAIRCarry out a complete check with the diagnostic tool.