400SEL (140.043) V8-4.2L (119.971) (1993)
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Central Power Supply: Description and Operation
PURPOSE
The base module (BM) N16/1 controls the power distribution to the individual control modules and various output devices. The BM also houses
the fuses for many of these components.
Base Module Fuse Location And I.D.
COMPONENTS POWERED BY BASE MODULE
a = Location in Model 140
b = Location in Model 124
F1 Fused voltage supply for:
^
Stop lamp switch (ASD/ASR) (S9/1)
^
ABS (N30) or ABS/ASR (N30/1) control module
^
ASD (N30/2) control module
F2 Fused voltage supply for (engines 104, 119 up to approx. 08/92):
^
"CHECK ENGINE" malfunction indicator lamp (A1e26)
^
LH-SFI control module (N3/1)
^
Diagnostic module (N59) (MY92 California version engines)
^
Fuel pumps relay module (K27)
^
Ignition control module (knock sensor N1/3)
^
Secondary air injection relay module (K17)
^
Transmission upshift delay relay module (K29)
^
Upshift delay solenoid valve (Y3/2)
^
EGR switchover valve (Y27)
^
Adjustable camshaft timing solenoid (Y49)
^
Left adjustable camshaft timing solenoid (Y49/1)
^
Right adjustable camshaft timing solenoid (Y49/2)
^
Purge switchover valve (Y58/1)
^
Fuel injectors (Y62)
F2 Fused voltage supply for (engines 104, 119 as of approx. 09/92):
^
"CHECK ENGINE" malfunction indicator lamp (A1e26)
^
LH-SFI control module (N31/1)
^
Diagnostic module (N59) (MY92 California version engines)
^
Fuel pumps relay module (K27)
^
Ignition control module (knock sensor N1/3) (as of approx. 06/91)
^
Fuel injectors (Y62)
