AA6 COMPARE OPERATION OF THE DRIVER AND PASSENGER SEATS
With the engine running, set both front seats to HIGH cool. Note the airflow exhausting from the passenger seat backrest blower motor and compare it to the airflow exhausting from the driver seat backrest blower motor. Carry out a wiggle test of the wire harnesses between the SCME and the passenger seat backrest blower motor while monitoring blower operation. The blower should operate consistently and not change speeds.
Is the airflow exhausting from the passenger seat backrest blower motor comparable to the airflow exhausting from the driver seat backrest blower motor with no change in operation when carrying out the wiggle test?
Yes | GO to AA7 |
|---|---|
No | If the airflow exhausting from the passenger seat backrest blower motor is not comparable to the airflow exhausting from the driver seat backrest blower motor, GO to AA8 If the passenger seat backrest blower motor blower operation changed while carrying out the wiggle test, IDENTIFY and REPAIR the wiring fault. |
AA7 COMPARE OPERATION OF THE DRIVER AND PASSENGER SEATS WHILE OCCUPIED
Note the airflow exhausting from the passenger seat backrest blower motor with the passenger seat occupied and compare it to the airflow exhausting from the driver seat backrest blower motor with the driver seat occupied.
Is the airflow exhausting from the passenger seat backrest blower motor comparable to the airflow exhausting from the driver seat backrest blower motor?
Yes | GO to AA16 |
|---|---|
No | INSTALL a new passenger seat backrest foam pad. |
AA8 CHECK THE PASSENGER SEAT BACKREST BLOWER FOR AN OBSTRUCTION OR RESTRICTED FILTER
Ignition OFF. Inspect the blower of the passenger seat backrest blower motor assembly for an obstruction or for a restricted filter.
Is the blower obstructed or the filter restricted?
Yes | REMOVE the obstruction or INSTALL a new passenger seat backrest blower motor. REFER to: Front Seat Backrest Blower Motor (501-10 Front Seats) . |
|---|---|
No | GO to AA9 |
AA9 CHECK THE PASSENGER SEAT BACKREST BLOWER SPEED CONTROL CIRCUIT FOR AN OPEN
REFER to: Supplemental Restraint System (SRS) Depowering (501-20B Supplemental Restraint System, General Procedures). Disconnect: Passenger Side Airbag In-line C219. Disconnect: SCME C3265C. Disconnect: Passenger Seat Backrest Blower Motor C3039. Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C3265C-4 | C3039-7 |
Is the resistance less than 3 ohms?
Yes | GO to AA10 |
|---|---|
No | REPAIR the circuit. GO to AA22 |
AA10 CHECK THE PASSENGER SEAT BACKREST BLOWER CIRCUIT FOR A SHORT TO VOLTAGE
Ignition ON. Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C3265C-7 | Ground |
Is any voltage present?
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.