Ford 2003 Mustang Workshop Manual page 3680

Actuate the bolster seat control switch to the inflate position
until the gauge reads 34.47 kPa (5 psi). The system should
hold pressure for three hours.
After three hours, is the pressure reading 32.41 kPa (4.7
psi) or more?
F13 CHECK THE SEAT BACKREST BOLSTER ADJUSTING
PAD FOR LEAKS
Remove the in-line pressure gauge.
Use a hand pump and inflate the seat backrest bolster
adjusting pad to 34.47 kPa (5 psi). The seat backrest bolster
adjusting pad should hold pressure for three hours.
After three hours, is the pressure reading 32.41 kPa (4.7
psi) or more?
F14 CHECK THE SEAT CUSHION BOLSTER ADJUSTING
PADS
Visually inspect the seat cushion bolster adjusting pad.
Is the seat cushion bolster adjusting pad damaged?
F15 CHECK AIR FLOW FROM BOLSTER COMPRESSOR
Disconnect the seat cushion bolster adjusting hose from the
connection at the seat pivot bolt.
Actuate the bolster seat control switch to the inflate position
while feeling for air at the connection.
Is air felt at the bolster motor hose connection?
F16 CHECK THE SYSTEM FOR LEAKS
Reconnect the hose at the seat cushion bolster pivot bolt.
Disconnect the seat cushion bolster adjusting hose at the
seat cushion bolster adjusting pad.
Install an in-line pressure gauge on the hose.
Actuate the bolster seat control switch to the inflate position
until the gauge reads 34.47 kPa (5 psi). The system should
hold pressure for three hours.
After three hours, is the pressure reading 32.41 kPa (4.7
psi) or more?
F17 CHECK THE SEAT CUSHION BOLSTER ADJUSTING
PAD FOR LEAKS
Remove the in-line pressure gauge.
No
GO to F13 .
Yes
INSTALL a new
bolster/lumbar pump and
solenoid module. REFER to
Lumbar Motor . TEST the
system for normal
operation.
No
INSTALL a new seat
backrest bolster adjusting
pad. REFER to Lumbar
Assembly . TEST the
system for normal
operation.
Yes
INSTALL a new seat
cushion bolster adjusting
pad. REFER to Lumbar
Assembly . TEST the
system for normal
operation.
No
GO to F15 .
Yes
GO to F16 .
No
INSTALL a new
bolster/lumbar pump and
solenoid module. REFER to
Lumbar Motor . TEST the
system for normal
operation.
Yes
The system is operating
correctly. TEST the system
for normal operation.
No
GO to F17 .
Yes