Ford 2003 Mustang Workshop Manual page 3017

Is any voltage present?
A10 CHECK CIRCUIT 151 (LB/BK) FOR SHORT TO POWER
Key in OFF position.
Disconnect: Air Bag Sliding Contact C218a.
Key in ON position.
Measure the voltage between speed control servo C122 Pin 5,
Circuit 151 (LB/BK), harness side and speed control servo C122
Pin 10, Circuit 1205 (BK), harness side.
Is any voltage present?
A11 CHECK THE AIR BAG SLIDING CONTACT
Key in OFF position.
Remove the air bag; REFER to
Disconnect: Speed Control Actuator Switch.
Key in ON position.
Measure the voltage between bottom of air bag sliding contact
Pin 1 (component side) and ground.
Is any voltage present?
A12 CHECK THE SPEED CONTROL ACTUATOR SET/ACCEL
CIRCUITRY
Key in OFF position.
Measure the resistance between speed control servo C122 Pin
5, Circuit 151 (LB/BK), harness side and speed control servo
C122 Pin 6, Circuit 848 (DG/OG), harness side, while the speed
control actuator switch SET/ACCEL is depressed.
Section 501-20B .
Yes
REPAIR the circuit.
TEST the system for
normal operation.
No
GO to A11 .
Yes
INSTALL a new air bag
sliding contact; REFER
to Section 501-20B .
TEST the system for
normal operation.
No
INSTALL a new speed
control actuator switch;
REFER to Switch—
Speed Control
Actuator . TEST the
system for normal
operation.
Yes
GO to A13 .
No
INSTALL a new speed
control actuator switch;