Ford Mustang (1999-2004) Service Manual: Inspection and Verification

1. Verify the customer's concern by operating the active restraint system to duplicate the condition.

2. Inspect to determine if any of the following mechanical or electrical concerns apply:

Visual Inspection Chart

Mechanical Electrical

  • Inspect the safety belt webbing for integrity.
  • Open fuse.
  • Bare, broken or disconnected wire.
  • Connector not tightly engaged.
  • Safety belt warning indicator lamp burned out or broken.

3. If the inspection reveals an obvious concern(s) that can be readily identified, repair as required.

With the exception of removing a twist from the safety belt webbing, do not attempt to repair a component of the safety belt system; new components must be installed.

4. If the concern remains after the inspection, determine the symptom. GO to Symptom Chart .

Symptom Chart

Condition Possible Sources Action
  • The safety belt warning chime does not operate, the safety belt warning indicator lamp is OK
  • Virtual image cluster (VIC).
  • Circuitry.
  • Driver seat module.
  • REFER to Section
  • The safety belt warning indicator lamp does not operate, the safety belt warning chime is OK
  • Burned-out bulb.
  • Circuitry.
  • Driver seat module.
  • REFER to Section
  • Neither the safety belt warning chime nor the safety belt warning indicator lamp operates
  • Safety belt buckle switch.
  • Driver seat module.
  • Circuitry.
  • REFER to Section
  • Excessive pressure on the occupant during normal wear, the webbing cannot be extracted, excessive slack in webbing does not retract
  • Front safety belt retractor and tongue.
  • Rear safety belt retractor and tongue.
  • Carry out the Functional Test. REFER to Component Test.

    INSTALL a new retractor and tongue if necessary
    Component Test
    Carry out the appropriate Functional Test(s) as determined in Inspection and Verification. Functional Test I (Buckle and Tongue) The safety belt buckle and tongue assembly must operate freely during ...

    Other materials:

    Exhaust System (Diagnosis and Testing)
    Symptom Chart Condition Possible Sources Action Noisy or leaking exhaust Broken or loose clamps, hangers or isolators. Punctures in the muffler (5230). Broken, loose or missing exhaust manifold fa ...

    Plenum Chamber
    Removal 1. Remove the instrument panel. For additional information, refer to Section. 2. Remove the audio unit. For additional information, refer to Section. 3. If equipped, remove the CD player. For additional information, refer to Section. 4. Remove the ...

    Piston
    Material Item Specification Super Premium SAE 5W-20 Motor Oil XO-5W20-QSP or equivalent WSS-M2C153- H Disassembly 1. Press the piston pin out of the connecting rod and piston assembly. 2. Remove the connecting rod from the piston. 3. ...