Ford 2003 Mustang Workshop Manual page 3857

relay Pin 5 Circuit 931 (OG), harness side and ground
Is the voltage greater than 10 volts?
D7 BYPASS THE GEM AND RELAY CONTROL
Momentarily connect a 25A jumper wire between the
luggage compartment lid release relay Pin 3 and Pin 5.
Did the luggage compartment lid release?
D8 CHECK LUGGAGE COMPARTMENT LID RELEASE
RELAY
Carry out the luggage compartment lid release relay.
REFER to Wiring Diagrams Cell 149, Component
Testing.
Is the luggage compartment lid release relay OK?
D9 CHECK CIRCUIT 599 (PK/LG) FOR SHORT TO POWER
Disconnect: GEM C201c.
Measure the voltage between GEM C201c Pin 25, Circuit
599 (PK/LG), harness side and ground.
Is the voltage greater than 10 volts?
D10 CHECK CIRCUIT 599 (PK/LG) FOR SHORT TO
GROUND
Measure the resistance between GEM C201c Pin 25,
REPAIR Circuit 931 (OG).
REPEAT the self-test. CLEAR
the DTCs.
Yes
GO to D8 .
No
GO to D12 .
Yes
GO to D9 .
No
INSTALL a new luggage
compartment lid release relay.
REPEAT the self-test. CLEAR
the DTCs.
Yes
REPAIR Circuit 599 (PK/LG).
REPEAT the self-test. CLEAR
the DTCs.
No
GO to D10 .
Yes