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Memory Seat Does Not Operate Properly Using Remote Transmitter (Explorer & Mountaineer)

WARNING: This page is about a different car, the 1997 Mercury Mountaineer, 1997 Ford Ranger, and 1997 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connect NGS tester following manufacturers instructions. Turn ignition off. Press any button on remote transmitter. Enter RAP and FUNCTION TESTS. Select TRANSMITTER TIC/DATA. Using transmitter No. 1, compare LAST TIC RECEIVED with data stored in TIC1, TIC2, TIC3, and TIC4 to remote transmitter being used. Using transmitter No. 2, compare LAST TIC RECEIVED with data stored in TIC1, TIC2, TIC3, and TIC4 to remote transmitter being used. If transmitter one and two are identified, go to next step. If transmitters do not match any stored TICs, go to DOORS DO NOT LOCK OR UNLOCK USING REMOTE TRANSMITTER (EXPLORER & MOUNTAINEER) test.
  2. Press UNLOCK button on remote transmitter No. 1. If seat moves to memory seat position No. 1, go to next step. If seat does not move to memory seat position No. 1, go to step 7).
  3. Press UNLOCK button on remote transmitter No. 2. If seat does not move to memory seat position No. 2, go to next step. If seat moves to memory seat position No. 2, system is operating properly at this time.
  4. Ensure memory No. 1 is OFF. Using NGS tester, select SEAT MEMORY SEAT CONTROL from RAP ACTIVE COMMAND list. Turn MEMORY 2 ON. If seat does not move to memory position No. 2, go to next step. If seat moves to memory position No. 2, replace RAP module, then retest system.
  5. Turn ignition off. Using NGS tester, turn MEMORY 2 OFF. Disconnect memory seat module 21-pin connector C335. Disconnect RAP module 22-pin connector C338. Measure resistance between RAP module 22-pin connector C338 terminal No. 18 (Black/Orange wire) and memory seat module 21-pin connector C335 terminal No. 8. If resistance is less than 5 ohms, reconnect RAP module 22-pin connector C338 and go to next step. If resistance is greater than 5 ohms, repair open in Black/Orange wire, then retest system.
  6. Using NGS tester, turn MEMORY 2 ON. Measure voltage between ground and memory seat module 21-pin connector C335 terminal No. 8 (Black/Orange wire). If voltage is greater than 10 volts, replace memory seat module, then retest system. If voltage is 10 volts or less, replace RAP module, then retest system.
  7. Ensure MEMORY 1 is OFF. Using NGS tester, select SEAT MEMORY SEAT CONTROL from RAP ACTIVE COMMAND list. Turn MEMORY 1 ON. If seat does not move to memory position No. 1, go to next step. If seat moves to memory position No. 1, replace RAP module, then retest system.
  8. Turn ignition off. Using NGS tester, turn MEMORY 1 OFF. Disconnect memory seat module 21-pin connector C335. Disconnect RAP module 22-pin connector C338. Measure resistance between RAP module 22-pin connector C338 terminal No. 6 (Brown/Light Green wire) and memory seat module 21-pin connector C335 terminal No. 18. If resistance is less than 5 ohms, reconnect RAP module 22-pin connector C338 and go to next step. If resistance is greater than 5 ohms, repair open in Brown/Light Green wire, then retest system.
  9. Using NGS tester, turn MEMORY 1 ON. Measure voltage between ground and memory seat module 21-pin connector C335 terminal No. 18 (Brown/Light Green wire). If voltage is greater than 10 volts, replace memory seat module, then retest system. If voltage is 10 volts or less, replace RAP module, then retest system.
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