Ford 2003 Mustang Workshop Manual page 3858

Circuit 599 (PK/LG), harness side and ground.
Is the resistance greater than 10,000 ohms?
D11 CHECK CIRCUIT 599 (PK/LG) FOR OPEN
Measure the resistance between GEM C201c Pin 25,
Circuit 599 (PK/LG), harness side and luggage
compartment lid release relay Pin 1, Circuit 599 (PK/LG),
harness side.
Is the resistance less than 5 ohms?
D12 CHECK CIRCUIT 84 (VT/YE) FOR SHORT TO POWER
Disconnect: GEM C201c.
Measure the voltage between luggage compartment lid
release relay Pin 3, Circuit 84 (VT/YE), harness side and
ground.
Is the voltage greater than 10 volts?
D13 CHECK CIRCUIT 84 (VT/YE) FOR OPEN
Disconnect: Luggage Compartment Lid Release Solenoid
C430.
Measure the resistance between luggage compartment
lid release relay Pin 3, Circuit 84 (VT/YE), harness side
and luggage compartment lid release solenoid C430 Pin
2, Circuit 84 (VT/YE), harness side.
GO to D11 .
No
REPAIR Circuit 599 (PK/LG).
REPEAT the self-test. CLEAR
the DTCs.
Yes
INSTALL a new GEM. For
additional information, REFER
to Section 419-10 . REPEAT
the self-test. CLEAR the
DTCs.
No
REPAIR Circuit 599 (PK/LG).
REPEAT the self-test. CLEAR
the DTCs.
Yes
REPAIR Circuit 84 (VT/YE).
REPEAT the self-test. CLEAR
the DTCs.
No
GO to D13 .
Yes
GO to D14 .
No
REPAIR Circuit 84 (VT/YE).
REPEAT the self-test. CLEAR
the DTCs.