174 SECTION 55 - ELECTRICAL SYSTEM
OIL PRESSURE SWITCH - POWERSHUTTLE
If the transmission pressure is to low, the warning
lamp to flash.
Test procedure
The voltage measured between pin 1 and pin 2
should be 12 V.
With Transmission oil pressure continuity should be
found.
8.7 PARKING BRAKE SWITCH
When the parking brake is engaged, the switch is
deactivated and the warning lamp turns on.
An audible alarm sounds if the parking brake is op-
erated with the gearshift lever engaged.
Test procedure
Brake engaged:
switch closed warning light illuminated.
Brake disengaged:
switch open warning light off.
Pin
No.
Sender Resistance
1 12 V with low pressure 0.3 Ω
F28404
F28403
Z-B:1
N:1
F28407
1: FM:N:1
1: FM:G-R:1
S18
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