PINPOINT TEST D : The Power Seat is Inoperative - Passenger, without Power Recline

D1 CHECK THE PASSENGER SEAT CONTROL SWITCH FOR VOLTAGE

WARNING: Turn the ignition OFF and wait one minute to deplete the backup power supply. Failure to follow this instruction may result in serious personal injury or death in the event of an accidental deployment.

Ignition OFF.

Disconnect: Passenger Seat Side Air Bag C339 .

Disconnect: Passenger Seat Control Switch C3190 .

Measure:

Positive Lead	Measurement / Action	Negative Lead
C3190-4	Courtesy of FORD MOTOR COMPANY	Ground

Is the voltage greater than 11 volts?

Yes	GO to D2.
No	VERIFY BJB fuse 42 (30A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the OEM ELECTRICAL WIRING DIAGRAM INTRODUCTION to identify possible causes of the circuit short. GO to D3.

D2 CHECK THE DRIVER SEAT CONTROL SWITCH GROUND CIRCUIT FOR AN OPEN

Measure:

Positive Lead	Measurement / Action	Negative Lead
C3190-2	Courtesy of FORD MOTOR COMPANY	Ground

Is the resistance less than 3 ohms?

Yes	INSTALL a new seat control switch. Refer to Seat Control Switch . GO to D3.
No	REPAIR the circuit. GO to D3.

D3 CHECK FOR SRS DTCs

Ignition OFF.

Connect: Passenger Seat Side Air Bag C339 .

Connect: All previously disconnected electrical connectors.

Ignition ON.

Using a diagnostic scan tool, clear the RCM DTCs.

Cycle the ignition OFF then ON.

Using a diagnostic scan tool, perform RCM self-test.

Are any RCM DTCs retrieved during self-test?

Yes	REFER to Supplemental Restraint System for pinpoint test direction.
No	The repair is complete. RETURN the vehicle to the customer.