NTB19-052a
Service Bulletin Details
Public Details for: NTB19-052a
2016-2018 maxima; low power / stop lamps stay on this bulletin has been amended. See amendment history on the last page. Please discard previous versions of this bulletin.
Models from 2018
2018 NISSAN MAXIMA |
Models from 2017
2017 NISSAN MAXIMA |
Models from 2016
2016 NISSAN MAXIMA |
Classification: Reference: EC19-010a Date: NTB19-052a October 8, 2019 2016-2018 MAXIMA; LOW POWER / STOP LAMPS STAY ON This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. APPLIED VEHICLES: 2016-2018 Maxima (A36) IF YOU CONFIRM The customer reports that intermittently there is low power when accelerating, And/or The stop lamps (brake lights) stay ON after releasing the brake pedal, with the ignition ON or OFF. ACTION 1. Delete the stop lamp relay and bypass the stop lamp relay circuit. 2. Replace the stop lamp switch with the one listed in PARTS INFORMATION on page 14. IMPORTANT: The purpose of ACTION (above) is to give you a quick idea of the work you will be performing. You MUST closely follow the entire SERVICE PROCEDURE as it contains information that is essential to successfully completing this repair. Nissan Bulletins are intended for use by qualified technicians, not 'do-it-yourselfers'. Qualified technicians are properly trained individuals who have the equipment, tools, safety instruction, and know-how to do a job properly and safely. NOTE: If you believe that a described condition may apply to a particular vehicle, DO NOT assume that it does. See your Nissan dealer to determine if this applies to your vehicle. 1/14 SERVICE PROCEDURE CAUTION: Handle interior trim carefully to avoid damage. Work with clean hands and clean tools to avoid dirt and stains. Use protective covers as needed. 1. Record (write down) any customer settings that will be lost when the battery is disconnected. For a listing of the systems that may lose settings or memory when disconnecting the 12V battery refer to the Electronic Service Manual (ESM): ELECTRICAL & POWER CONTROL > POWER SUPPLY, GROUND & CIRCUIT ELEMENTS > BASIC INSPECTION > INSPECTION AND ADJUSTMENT > ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL. This list often includes items such as HVAC, power windows, clock, etc. 2. Turn the ignition OFF. 3. Disconnect the negative terminal of the vehicle 12V battery. For the procedure to disconnect the battery refer to the ESM: ELECTRICAL & POWER CONTROL > POWER SUPPLY, GROUND & CIRCUIT ELEMENTS > REMOVAL AND INSTALLATION > BATTERY. WARNING: In the following steps, exposed sharp metal will be present. Take care to prevent personal injury. Front of vehicle 4. Remove the stop lamp relay (E34). Stop lamp relay (E34) Figure 1 2/14 NTB19-052a 5. Locate Joint Connector-E08 (shown as E39 in Figure 2). NOTE: Joint Connector-E08 is taped to the engine room harness behind the E7 Fuse Block (J/B). Figure 2 6. Untape Joint Connector-E08 from the engine room harness. Parking brake Joint Connector E08 Brake pedal bracket Figure 3 3/14 NTB19-052a 7. Release the harness connector lock tab (Figure 4), and then slide the harness connector lock out (Figure 5) and remove from Joint Connector-E08. Harness connector lock tab Joint Connector E08 Figure 4 Harness connector lock Figure 5 4/14 NTB19-052a Locking tab Locking tab 8. Release two (2) locking tabs, one on each side of the grey bus bar (Figure 6 and Figure 7). Grey bus bar Figure 6 Locking tab Grey bus bar Figure 7 9. Push the bus bar out, and then remove it completely from the connector. Grey bus bar Figure 8 5/14 NTB19-052a 10. Connect a continuity tester to circuit LS01A to the relay circuit where shown in Figure 9. Figure 9 11. Test each of the five (5) Joint Connector-E08 circuits highlighted in Figure 10, as shown in Figure 11, until continuity with LS01A is found. The five (5) circuits to be tested all have pink wires. Circuits to be tested Joint Connector-E08 Figure 10 Figure 11 6/14 NTB19-052a 12. Using a terminal tool (J-48817-1, blade #01A), carefully remove the circuit with continuity to LS01A, from step 11. Circuit with continuity to LS01A NOTE: Click on the Video button at the bottom of the page, for an animation of removing the terminal from Joint Connector-E08. Joint Connector-E08 Figure 12 NOTE: If needed, refer to ASIST / TechMate / Tech-Mate Tools & Equipment / Users Guides / Harness Repair Kit Users Guide / S Family (Page 141) for the procedure to the remove pin. 13. Cut the terminal off of the removed wire with an appropriate tool. Figure 13 Wire taped into harness 14. Fold the wire back onto the harness and tape it in place. Use 3M/Scotch Professional Grade Vinyl Super 88 Electrical Tape (3/4 inch wide) or equivalent. Figure 14 7/14 NTB19-052a Stop lamp switch 15. Locate the stop lamp switch. NOTE: The original stop lamp switch will be white. Figure 15 Harness connector E38 16. Unplug the stop lamp switch harness connector (harness connector E38). Figure 16 New stop lamp switch 17. Remove the original white stop lamp switch, and then install the new one. NOTE: The new stop lamp switch is green. See PARTS INFORMATION on page 14. Refer to the ESM for brake lamp adjustment: BRAKES > BRAKE SYSTEM > SERVICE DATA AND SPECIFICATIONS (SDS) > SERVICE DATA AND SPECIFICATIONS (SDS). Figure 17 8/14 NTB19-052a 18. Using a terminal tool (J-48817-1, blade #09A), carefully remove the the wires from terminals 1 and 2 from the stop lamp switch connector #E38, shown in Figure 18. Terminal No. 1 and Terminal No. 2 locations are shown in Figure 19, from harness side. NOTE: If needed, refer to ASIST / Tech-Mate / Tech-Mate Tools & Equipment / Users Guides / Harness Repair Kit Users Guide / MF Family (Page 92) for the procedure to remove the pins. Shown with terminals removed Figure 18 Figure 19 19. Cut the removed wire terminals off with an appropriate tool. Wires folded back and taped in place 20. Fold the two (2) wires back onto the harness and tape them in place. Use 3M/Scotch Professional Grade Vinyl Super 88 Electrical Tape (3/4 inch wide) or equivalent. Figure 20 9/14 NTB19-052a 21. Insert the terminal of the pink wire (of the new jumper harness) into the cavity of Joint Connector-E08 where the terminal was removed in step 12. See PARTS INFORMATION on page 14 for the new jumper harness. 22. Insert the terminal of the red wire (of the new jumper harness) into the cavity of Joint Connector-E08 indicated in Figure 21. NOTE: This location is an empty cavity. Joint Connector-E08 New jumper harness Figure 21 Grey bus bar 23. Reinsert the grey bus bar into Joint Connector-E08 that was removed in step 9. Figure 22 10/14 NTB19-052a Harness connector lock 24. Reinstall the harness connector lock that was removed in step 7. Figure 23 25. Tape or zip tie Joint Connector-E08 back to the harness where it was removed in step 6. 26. Route the new jumper harness along the engine room harness as shown in Figure 24. Engine room harness New jumper harness Joint Connector-E08 Brake switch Figure 24 11/14 NTB19-052a 27. Insert the wire terminals of the new jumper harness into the stop lamp switch harness connector (E38). Red wire into terminal cavity No. 1. Pink wire into terminal cavity No. 2. Terminal cavity No. 1 Terminal cavity No. 2 Stop lamp switch harness connector (E38) Figure 25 Stop lamp switch harness connector (E38) 28. Plug the stop lamp switch harness connector (harness connector E38) into the new stop lamp switch. New stop lamp switch Figure 26 12/14 NTB19-052a 29. Attach the jumper harness with zip ties to the engine room harness as shown in Figure 27. Use as many zip ties as needed, to ensure that there is no interference with the surrounding components. NOTE: Extra harness length can be coiled and zip tied to the engine room harness. = Zip tie Figure 27 30. Connect the battery negative cable. 31. Confirm that the brake lights function correctly. 32. Reset/reinitialize systems as needed. For a listing of the systems that may lose settings or memory when disconnecting the 12V battery refer to the ESM: ELECTRICAL & POWER CONTROL > POWER SUPPLY, GROUND & CIRCUIT ELEMENTS > BASIC INSPECTION > INSPECTION AND ADJUSTMENT > ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL. This list often includes items such as, HVAC, power windows, clock, etc. 33. Test drive the vehicle and make sure it operates correctly and the MIL is OFF. This bulletin does not cover any repairs beyond jumper harness installation. If the MIL comes ON, go to ASIST for further diagnostic information. 13/14 NTB19-052a A. PARTS INFORMATION DESCRIPTION PART NUMBER QUANTITY Jumper Harness (HARNESS-SUB) 24167-4RA9E 1 Brake Switch (SWITCH ASSY-STOP LAMP) 25320-AX10A 1 Zip Ties (1) Shop Supply Electrical Tape Use 3M/Scotch Professional Grade Vinyl Super 88 Electrical Tape (3/4 inch wide) or equivalent (1) Shop Supply (1) This product (or equivalent) is available at many local automotive supply stores, and many local hardware stores. CLAIMS INFORMATION Submit a Primary Part (PP) type line claim using the following claims coding: DESCRIPTION PFP OP CODE SYM DIA FRT Install Jumper Harness (1) RX8BAA HC 32 0.8 (1) Reference the electronic parts catalog, and use the Light Relay 25230-***** as the Primary Failed Part (PFP). AMENDMENT HISTORY PUBLISHED DATE REFERENCE DESCRIPTION June 26, 2019 NTB19-052 Original bulletin published October 8, 2019 NTB19-052a ACTION section revised 14/14 NTB19-052a