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Volume 1

Diagnostic Manual, Body and Accessories,
Volume 1.1

Printable version

LOCATION:

3.5 Models 129, 140, 170 > Pneumatic System Equipment (PSE) > 23 Electrical Test Program - Test

Electrical Test Program - Component Locations (RHR)

Test scope

Test connection

Test condition

Nominal value

Possible cause/Remedy

1.0

RHR unlocking circuit

Rear head restraints extended.
Ignition: ON
RHR unlocking
switch (S52):

Press switch:

Rear head restraints retract.

Wiring,
(A37),

1.1,

8.0,

1.0,

RHR release switch (S52)

N10/1
21

(1)

A37

DisconnectA37 from

.

S52:
Rest position

Hold pressed

>20 k

< 40

Wiring,
S52