Pinpoint Test Ah: All Power Windows Are Inoperative

WARNING: This page is about a different car, the 2004 Mercury Monterey and 2004 Ford Freestar. However, it is still accessible from the selected car via links, so may be relevant.

AH1 CHECK THE SJB DTCs
- Retrieve the recorded DTC results from the SJB for the continuous and on-demand self-test.
- Are any DTCs recorded?
Yes

Refer to the SMART JUNCTION BOX (SJB) DTC INDEX - GLASS, FRAMES AND MECHANISMS .

No

GO to AH2
AH2 CHECK THE LH WINDOW CONTROL SWITCH GROUND
- Disconnect: LH Window Control Switch C508a.
- Measure the resistance between LH window control switch C508a-1, circuit 1205 (BK), harness side and ground; and between the LH window control switch C508a-5, circuit 1205 (BK), harness side and ground.
  
  Fig 1: Checking LH Window Control Switch Ground
  Courtesy of FORD MOTOR CO.
- Is the resistance less than 5 ohms on both circuits?
Yes

GO to AH3

No

REPAIR the circuit. TEST the system for normal operation.
AH3 CHECK FOR CORRECT MODULE OPERATION
- Disconnect all SJB connectors
- Check for:
  - corrosion
  - pushed-out pins
- Connect all the SJB connectors and make sure they are seated correctly.
- Operate the system and verify the concern is still present.
- Is the concern still present?
Yes

INSTALL a new SJB. Refer to MODULE COMMUNICATIONS NETWORK .

CLEAR the DTCs. REPEAT the SJB self-test.

No

The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the self-test.