Page 20 of 26
81B-20
MR-413-X44-81B000$835_eng.mif
V1
INTERIOR LIGHTING
Fault finding chart81B
ALP 9
CONTINUED
Use a test bulb to check for + 12 V between connection BPT of component 213 and a chassis earth.
Is the test light lit?
NO
Test the continuity on connection BPT between components 213 and 645.
Is the continuity correct?
YES
See 87B, passenger compartment connection unit.
YES
Fault on connection MAM. Repair the wiring. If there is
a repair procedure (see Technical Note 6015A,
Repairing electrical wiring, W iring: Precautions for
repair), repair the wiring, otherwise replace it.
NO
Fault on connection BPT between components 213 and
645. Repair the wiring. If there is a repair procedure
(see Technical Note 6015A, Repairing electrical
wiring, Wiring: Precautions for repair), repair the
wiring, otherwise replace it.
Page 22 of 26
81B-22
MR-413-X44-81B000$835_eng.mif
V1
INTERIOR LIGHTING
Fault finding chart81B
ALP 10
CONTINUED
Use a test bulb to check for + 12 V between connection BPT component 213 and a chassis earth.
Is the test light lit?
NO
Test the continuity of connection BPT between components 213 and 645.
Is the continuity correct?
YES
See 87B, passenger compartment connection unit.
YES
Fault on connection MAM of component 213. Repair
the wiring. If there is a repair procedure (see Technical
Note 6015A, Repairing electrical wiring, Wiring:
Precautions for repair), repair the wiring, otherwise
replace it.
NO
Fault on connection BPT between components 645 and
213. Repair the wiring. If there is a repair procedure (see
Technical Note 6015A, Repairing electrical wiring,
Wiring: Precautions for repair), repair the wiring,
otherwise replace it.
Page 24 of 26
81B-24
MR-413-X44-81B000$835_eng.mif
V1
INTERIOR LIGHTING
Fault finding chart81B
ALP 11
CONTINUED
Use a test bulb to check for + 12 V between connection BPT of component 213 and a chassis earth.
Is the test light lit?
NO
Check the continuity on connection BPT between components 213 and 645.
Is the continuity correct?
YES
See 87B, passenger compartment connection unit.
YES
Fault on connection 13E between components 213 and
645. Repair the wiring. If there is a repair procedure (see
Technical Note 6015A, Repairing electrical wiring,
Wiring: Precautions for repair), repair the wiring,
otherwise replace it.
NO
Fault on connection BPT between components 213 and
645. Repair the wiring. If there is a repair procedure (see
Technical Note 6015A, Repairing electrical wiring,
Wiring: Precautions for repair), repair the wiring,
otherwise replace it.
Page 26 of 26
81B-26
MR-413-X44-81B000$835_eng.mif
V1
INTERIOR LIGHTING
Fault finding chart81B
ALP 12
CONTINUED
Use a test bulb to check for + 12 V between connection BPT of component 213 and an earth on the chassis.
Is the test light lit?
NO
Check the continuity on connection BPT between components 213 and 645.
Is the continuity correct?
YES
See 87B, passenger compartment connection unit.
YES
Fault on connection 13E between components 213 and
645. Repair the wiring. If there is a repair procedure (see
Technical Note 6015A, Repairing electrical wiring,
Wiring: Precautions for repair), repair the wiring,
otherwise replace it.
NO
Fault on connection BPT between components 213 and
645. Repair the wiring. If there is a repair procedure (see
Technical Note 6015A, Repairing electrical wiring,
wiring: Precautions for repair), repair the wiring,
otherwise replace it..