LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 1998 >> Explorer 2D Utility, 4.0 X, AWD >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Keyless Entry System - Remote >> System Tests >> Test E: Memory Seat Does Not Operate Properly Using Remote Transmitter
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Test E: Memory Seat Does Not Operate Properly Using Remote Transmitter

  1. Connect NGS tester following manufacturer's 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 TEST C: DOORS DO NOT LOCK OR UNLOCK USING REMOTE TRANSMITTER  .
  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. Disconnect Driver Seat Module (DSM) 22-pin connector located under front of driver seat. Measure voltage of Black/Orange wire between ground and DSM connector. If voltage is less than 10 volts, go to next step. If voltage is more than 10 volts, replace DSM. Clear DTCs and retest system.
  6. Turn ignition off. Using NGS tester, turn MEMORY 2 OFF. Disconnect RAP module 22-pin connector C338. Measure resistance between RAP module 22-pin connector C338 terminal No. 18 (Black/Orange wire) and DSM module 22-pin connector. If resistance is less than 5 ohms, replace RAP module. Clear DTCs and retest system. If resistance is more than 5 ohms, repair open in Black/Orange wire, 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 DSM 22-pin connector. Measure voltage between ground and DSM module connector Brown/Light Green wire. If voltage is more than 10 volts, replace DSM module, then retest system. If voltage is 10 volts or less, go to next step.
  9. Using NGS tester, turn MEMORY 1 OFF. Disconnect RAP module 22-pin connector C338. Measure resistance between RAP module 22-pin connector C338 terminal No. 6 (Brown/Light Green wire) and DSM module connector. If resistance is less than 5 ohms, replace RAP module. Clear DTCs and retest system. If resistance is more than 5 ohms, repair open in Brown/Light Green wire, then retest system.
scientia non olet · About LEMON Manuals