Is the seat inoperative in all directions?
Yes | GO to F2 |
|---|---|
No | If only the horizontal motor is inoperative, GO to F4 If only the front height motor is inoperative, GO to F6 If only the rear height motor is inoperative, GO to F8 |
F2 CHECK FOR VOLTAGE TO THE SEAT CONTROL SWITCH
Disconnect: Driver Seat Control Switch C352. Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C352-9 | Ground |
Is the voltage greater than 11 volts?
Yes | GO to F3 |
|---|---|
No | VERIFY BJB fuse 12 (30A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the Wiring Diagrams manual to identify the possible causes of the circuit short. GO to F10 |
F3 CHECK THE SEAT CONTROL SWITCH GROUND CIRCUIT
Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C352-7 | Ground |
Is the resistance less than 3 ohms?
Yes | INSTALL a new driver seat control switch. REFER to: Front Seat Control Switch (501-10A Front Seats, Removal and Installation). GO to F10 |
|---|---|
No | REPAIR the circuit. GO to F10 |
F4 CHECK FOR VOLTAGE TO THE SEAT HORIZONTAL MOTOR
Disconnect: Driver Seat Horizontal Motor C362.
NOTE: The voltage being measured changes polarity depending upon which direction the seat control switch is activated. While pushing the horizontal switch forward and rearward, measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C362-1 | C362-3 |
Is the voltage greater than 11 volts when the seat control switch is operated in both directions?
Yes | INSTALL a new horizontal motor. REFER to: Front Seat Track Motor (501-10A Front Seats, Removal and Installation). GO to F10 |
|---|---|
No | GO to F5 |
F5 CHECK THE SEAT HORIZONTAL MOTOR CIRCUIT FOR AN OPEN
Disconnect: Driver Seat Control Switch C352. Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C352-6 | C362-3 | |
C352-5 | C362-1 |
2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.