Key-Off Power Window Signal Circuit
Leave integration relay connected. Using DVOM, measure voltage (backprobe) between ground and terminal A3 (Red/Black wire) at integration relay. See Fig 1. Close all doors, and turn ignition switch to LOCK or ACC position. DVOM should indicate battery voltage. Open door. DVOM should indicate zero voltage. Turn ignition on. DVOM should indicate battery voltage. If voltage is not as specified, replace integration relay.