Ford 2003 Mustang Workshop Manual page 3672

Is the resistance less than 5 ohms?
C3 CHECK CIRCUIT 983 (RD/LG) AND 982 (YE/LG) FOR A SHORT TO
GROUND
Measure the resistance between rear height motor C363, Circuit 983
(RD/LG), harness side and ground; and between rear height motor
C363, Circuit 982 (YE/LG), harness side and ground.
Are the resistances greater than 10,000 ohms?
C4 CHECK THE UP POSITION INPUT
Connect: Seat Regulator Control Switch C360.
Measure the voltage between rear height motor C363, Circuit 983
(RD/LG), harness side and ground.
Actuate the seat regulator control switch to the rear UP position.
Is the voltage greater than 10 volts?
C5 CHECK THE DOWN POSITION INPUT
Measure the voltage between rear height motor C363, Circuit 982
(YE/LG), harness side and ground.
Actuate the seat regulator control switch to the rear DOWN position.
Is the voltage greater than 10 volts?
PINPOINT TEST D: THE POWER SEAT DOES NOT MOVE
HORIZONTALLY
Yes
GO to C4 .
No
REPAIR the circuit.
TEST the system
for normal
operation.
Yes
GO to C5 .
No
INSTALL a new
seat regulator
control switch.
REFER to Switch—
Seat Regulator
Control . TEST the
system for normal
operation.
Yes
INSTALL a new
seat track. REFER
to Seat Track .
TEST the system
for normal
operation.
No
INSTALL a new
seat regulator
control switch.
REFER to Switch—
Seat Regulator
Control . TEST the
system for normal
operation.