FixVault

All Power Windows Inoperative: Sephia

  1. Check for blown PWIND LH and PWIND RH (15-amp) fuses located in engine compartment fuse box. If fuses are okay, go to next step. If fuse is blown, locate and repair short to ground in power window circuit. Replace fuse(s). Retest system.
  2. Turn ignition on. Verify battery voltage (12 volts minimum) to fuse. If battery voltage exists, go to next step. If battery voltage is not present, check battery condition and power feed to fuse box. Repair as necessary. Retest system.
  3. Turn ignition on. Using a voltmeter, backprobe between ground and terminal No. 7 (Pink/Blue wire) at master power window switch. Also backprobe between ground and terminal No. 8 (Pink wire) at master power window switch. If battery voltage exists on both circuits, go to next step. If battery voltage is not present on either circuit, repair open or short to ground in Pink/Blue wire to PWIND LH fuse or in Pink wire to PWIND RH fuse. Retest system.
  4. Turn ignition off. Using an ohmmeter, backprobe between ground and terminal No. 12 (Black wire) at master power window switch. If continuity exists, replace master power window switch. If continuity does not exist, repair open in ground circuit (Black wire) between master power window switch and chassis ground. Retest system.