Ford 2003 Mustang Workshop Manual page 3016

Is the voltage greater than 10 volts?
A7 CHECK CIRCUIT 151 (LB/BK) FOR AN OPEN
Disconnect: Air Bag Sliding Contact C218a.
Measure the resistance between speed control servo C122 Pin
5, Circuit 151 (LB/BK), harness side and air bag sliding contact
C218a Pin 4, Circuit 151 (LB/BK), harness side.
Is the resistance less than 5 ohms?
A8 CHECK THE AIR BAG SLIDING CONTACT
Remove the air bag; REFER to
Disconnect: Speed Control Actuator Switch.
Measure the resistance between bottom of air bag sliding
contact Pin 1 (component side) and top of air bag sliding
contact Pin 3 (component side).
Is the resistance less than 5 ohms?
A9 CHECK THE SPEED CONTROL ACTUATOR SWITCH ON
CIRCUITRY FOR SHORT TO POWER
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.
Section 501-20B .
Yes
GO to A8 .
No
REPAIR the circuit.
TEST the system for
normal operation.
Yes
INSTALL a new speed
control actuator switch;
REFER to Switch—
Speed Control
Actuator . TEST the
system for normal
operation.
No
INSTALL a new air bag
sliding contact; REFER
to Section 501-20B .
TEST the system for
normal operation.
Yes
GO to A10 .
No
GO to A12 .