Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Infiniti >> 2014 >> Q50 Base, AWD >> Repair and Diagnosis >> Quick Lookups >> Technical Bulletins >> Campaigns >> Other Variant >> Steering Control Systems >> Voluntary Service Campaign 2014 Q50; Direct Adaptive Steering Reprogram And Recalibrate (ITB14-007C)

Voluntary Service Campaign 2014 Q50; Direct Adaptive Steering Reprogram And Recalibrate (ITB14-007C)

WARNING: This page is about the Q50 Hybrid Premium, AWD, which is a different variant/trim than selected.
Publication date: 2016-01-22
Reference number: ITB14-007C
Supersedes refnos: ITB14-007, ITB14-007A, ITB14-007B

VOLUNTARY SERVICE CAMPAIGN 2014 Q50; DIRECT ADAPTIVE STEERING REPROGRAM AND RECALIBRATE

VOLUNTARY SERVICE CAMPAIGN 2014 Q50; DIRECT ADAPTIVE STEERING REPROGRAM AND RECALIBRATE

SERVICE CAMPAIGN BULLETIN

Reference Number(s): ITB14-007c, Date of Issue:  January 22, 2016
INFINITI: 2014 Q50; 2014 Q50 Hybrid
CAMPAIGN I.D.#: P4202
APPLIED VEHICLES: 2014 Q50 (V37); 2014 Q50 Hybrid (V37)
NOTE: Check Service COMM to confirm campaign eligibility.
  • There are five  bulletins with different service campaign ID numbers for the DAST system.
  • Each bulletin is applicable to specific vehicles.
  • Make sure the correct bulletin (Campaign ID #) is being used.

INTRODUCTION

Infiniti is conducting a Voluntary Service Campaign on certain specific Model Year 2014 Q50 and Q50 Hybrid vehicles to reprogram and recalibrate the Direct Adaptive Steering (DAST). This service will be performed at no cost to the customer for parts or labor.

IDENTIFICATION NUMBER

Infiniti has assigned identification number P4202 to this campaign. This number must appear on all communication and documentation of any nature dealing with this campaign.

DEALER RESPONSIBILITY

Dealers are to correct each vehicle falling within the range of this campaign that enters the service department. This includes vehicles purchased from private parties or presented by transient (tourist) owners and vehicles in a dealer's inventory

Repair Overview

G10220271

SERVICE PROCEDURE

There are two parts to this Service Procedure:

PART 1:  Reprogramming Procedure. This includes three separate control module reprograms; DAST 1, DAST 2, and EPS/DAST 3.

PART 2:  Calibration and Confirmation Procedure. This includes the following: DAST CALIBRATION (MODE1), ADJUST STEERING ANGLE SENSOR NEUTRAL POSITION, Self-Diagnosis Check, and Confirmation of EPS/DAST 3 ANGLE 1.

PART 1: Reprogramming Procedure

  1. Before continuing, it is IMPORTANT to make sure: 
    • ASIST on the CONSULT PC has been synchronized (updated) to the current date. 
    • All CONSULT related software updates (if any) have been installed. 
      NOTE: The CONSULT PC automatically gets all reprogramming software during ASIST synchronization.
    CAUTION:
    • Connect the GR8 to the vehicle 12 volt battery and set to ECM power supply mode. If the vehicle battery voltage drops below 12.0V or rises above 13.5V  during reprogramming, the DAST may be damaged  .
    • Be sure to turn OFF all vehicle electrical loads.

      If a vehicle electrical load remains ON, the DAST may be damaged  .

    • Be sure to connect the AC Adapter.

      If the CONSULT PC battery voltage drops during reprogramming, the process will be interrupted and the DAST may be damaged  .

    • Turn off all external Bluetooth® devices (e.g., cell phones, printers, etc.) within range of the CONSULT PC and the VI. If Bluetooth® signal waves are within range of the CONSULT PC during reprogramming, reprogramming may be interrupted and the DAST may be damaged  .
  2. Once all ASIST and CONSULT related updates have been performed, attach the CONSULT PC to the vehicle.
    • Connect the plus VI to the CONSULT PC with the USB cable  .
    • Connect the AC adapter to the CONSULT PC.
    IMPORTANT: Reprogramming Procedure must be performed 3 separate times  to reprogram the control modules for DAST 1, DAST 2, and EPS/DAST 3.
  3. Turn ON the CONSULT PC, and then open CONSULT III plus (C-III plus).
    NOTE: Make sure all applications other than C-III plus are closed.
  4. Press the ignition switch twice without  depressing the brake pedal.
    • The meter and gauges will illuminate.
      CAUTION: Do Not  start the engine, the DAST may be damaged. (For Hybrid vehicles, make sure the Ready light is OFF.)
      NOTE: Make sure ALL  accessories are turned off.
  5. Check for stored DTCs in all systems as follows:
    1. Wait for the plus VI to be recognized.
    2. Select Diagnosis (All Systems)  and Confirm  .
    3. Wait for System Call  to complete.
    4. Check for stored DTCs.
      • If no DTCs found, go to step 6.
      • If any DTCs are found stored:
        • Perform diagnosis and repairs related to the stored DTC(s), and then erase the DTC(s).
        • When completed, go to step 6.
    NOTE: Make sure the ignition is not turned OFF between step 5 and step 6.

    INFORMATION:  If there are DTCs related to the Brake or Steering systems that are falsely stored and will not erase, perform the following:

    1. aa. Turn the ignition OFF.
    2. bb. Disconnect the 12V battery negative cable.
    3. cc. Wait 5 minutes.
    4. dd. Reconnect the negative battery cable.
    5. ee. Restart the SERVICE PROCEDURE  from the beginning.
  6. Go to Re/programming,  Configuration.
    1. Select the Home  button and then YES  to return to the screen shown in Figure 1.
    2. Select Re/programming, Configuration  .
      G10220272
  7. Check the box for Confirmed Instructions,  and then select Next  .
    G10220273
  8. Select Q50 or Q50 Hybrid  and 2014,  or Automatic Selection (VIN)  .
    • If Automatic Selection (VIN)  is selected, or the screen in Figure 3 does no display, skip to step 10.
  9. Select Select  .
    G10220274
  10. Verify the VIN or Chassis #  matches that of the vehicle.
    • If the correct VIN is displayed, select Confirm  .
      G10220275
  11. Select Confirm  again.
    G10220276
  12. Use the page arrows to scroll and select the correct control module  to be reprogrammed.

    Make sure to reprogram the control modules in this order:

    DAST 1,  then DAST 2,  and then EPS/DAST 3 

    NOTE: DAST 1 and DAST 2 are shown in Figure 6; EPS/DAST 3 is not shown.
    G10220277
  13. Wait for System Call to complete and then select Reprogramming  .
    G10220278
  14. When you get to the screen shown in Figure 8, confirm reprogramming applies as follows:
    1. Find the DAST Part Number  and write it on the repair order.
      NOTE: This is the current  DAST Part Number. DAST 1 is shown; DAST 2 and DAST 3 are similar.
      G10220279
    2. Compare the P/N you wrote down to the numbers in the Current Part Number  column of TABLE A  below:
      • If there is a match,  reprogramming applies.  Continue with the reprogramming procedure.
      • If there is not a match,  reprogramming does not apply  .
        NOTE: If there is no match for DAST 1, there will be no match for DAST 2 or DAST 3. You can stop. This reprogram does not apply or it has already been done.
      PARTS INFORMATION

      MODEL CONTROL MODULE CURRENT PART NUMBER:
      2014 - 2015 Q50 and Q50 Hybrid DAST 1 28505 - 4GA0B, 4GA0C, 4GA0D, 4GA0E. 4GA0F, 4GA0K 28505 - 4GA1B, 4GA1C, 4GA1D, 4GA1E, 4GA1F, 4GA1K 28505 - 4GA2B, 4GA2C, 4GA2D, 4GA2E. 4GA2F, 4GA2K
      DAST 2 28505 - 4GA5B, 4GA5C, 4GA5D, 4GA5E, 4GA5F, 4GA5K 28505 - 4GA6B, 4GA6C, 4GA6D, 4GA6E, 4GA6F, 4GA6K 28505 - 4GA7B, 4GA7C, 4GA7D, 4GA7E, 4GA7F, 4GA7K
      EPS/DAST 3 285H0 - 4GA5B, 4GA5C, 4GA5D, 4GA5E, 4GA5F, 4GA5K 285H0 - 4GA0B, 4GA0C, 4GA0D, 4GA0E, 4GA0F, 4GA0K 285H0 - 4GA1B, 4GA1C, 4GA1D, 4GA1E, 4GA1F, 4GA1K 285H0 - 4GA6B, 4GA6C, 4GA6D, 4GA6E, 4GA6F, 4GA6K
    3. If there is a part number match as specified above, Select Save  and then continue with the reprogramming procedure on the next page.
  15. Read the precautions on the C-III plus screen (use page arrow as needed). After reading, select Confirmed instructions,  and then select Next  .
    G10220280
    NOTE:
    • In some cases, more than one new P/N for reprogramming is available.
      • If more then one P/N is available, the screen in Figure 10 will display.
      • Select and use the reprogramming option that does not  have the message "Caution! Use ONLY with ITBXX-XXX".
    • If you get this screen and it is blank  (no reprogramming listed), it means there is no reprogramming available for that control module.
    G10220281
  16. Verify the Current Part Number  matches the Part Number written down in step  14, and then select Next  .
    G10220282
  17. If the screen in Figure 12 appears, first select Delete  then Confirm,  and then Other Operation  .
    • This will erase the Saved Data List  and restart the reprogram from step  12. You must go back to step  12.
    • If no Saved Data List  is stored, Figure 13 on the next page will be displayed.
      G10220283
  18. Confirm battery voltage is correct, and then select Next  .
    NOTE: Battery voltage must stay within the specified range to make the indicator turn green.
    G10220284
  19. With battery voltage OK (green), select Start  .
    • The reprogramming process begins when Start  is selected.
      NOTE: For reprogramming to continue, vehicle 12V battery voltage must stay within 12 volts and 13.5 volts.
      G10220285
    IMPORTANT: Until the reprogramming has completed:
    • Do not disconnect the USB cable, although the following message appears:

      "Disconnecting CONSULT and VI is Available"

    • Do not touch the Home button until instructed to  .
    • When the VI is transferring the reprogram to the DAST control module, do not disconnect the VI from the vehicle even if the PC freezes.
    • If you need to disconnect the VI, first check the LED on the VI body to confirm that the communication from the VI to the vehicle has completed and the LED for the vehicle icon is OFF.
    • If you accidentally disconnect the VI during program writing to the vehicle, the DAST control module that is being reprogrammed may need to be replaced. Refer to CONTROL UNIT RECOVERY  on the next page.
  20. Wait for both bar graphs to complete.
    G10220286

    Possible errors that may rarely occur: 

    • If the progress bar freezes at 90% of a complete transfer to the VI and error code "12-1-1NR" is displayed (see Figure 16 on the next page), turn the ignition OFF, then ON,  and then refer to CONTROL MODULE RECOVERY  on the next page.
    • If the progress bar freezes at 90% more than  3 times "on the same DAST control module" but without  Error Code "12-1-1NR", the DAST control module that is currently being reprogrammed will need to be replaced.
    • If the reprogramming does not complete, refer to CONTROL UNIT RECOVERY  on the next page.
    NOTE: If a DAST control module replacement is required:
    • Refer to the appropriate section of the ESM for the procedure to replace and configure a DAST control module.
    • Make sure to perform Read/Write Configuration:  Save the Control module's configuration before replacement, and then write the configuration to the new control module.

    Control Unit Recovery: 

    Do not disconnect plus VI or shut down Consult III plus if reprogramming does not complete. 

    If reprogramming does not complete and the "!?" icon displays as shown in Figure 16: 

    • Check battery voltage (12.0-13.5 V).
    • Ignition is ON, engine OFF (not READY).
    • External Bluetooth® devices are OFF.
    • All electrical loads are OFF.
    • Select retry and follow the on screen instructions. 
    • "Retry" may not go through on the first attempt and can be selected more than once. 
      G10220287

    If reprogramming does not complete and the "X" icon displays as shown in Figure 17: 

    • Check battery voltage (12.0 - 13.5 V).
    • CONSULT A/C adapter is plugged in.
    • Ignition is ON, engine OFF (not READY).
    • Transmission is in Park.
    • All C-III plus / VI cables are securely connected.
    • All C-III plus updates are installed.
    • Select Home, and restart the reprogram procedure from the beginning. 
      G10220288
  21. When the screen in Figure 18 appears, reprogramming is complete.
  22. Select Next  .
  23. Wait for System Call to complete.
    G10220289
  24. Erase all DTCs as follows:
    1. Turn the ignition OFF.
      • The screen in Figure 19 will read OFF after pressing the power/ignition switch once.
        G10220290
    2. Turn the ignition ON with engine OFF (press switch twice, foot off brake).
      • The screen in Figure 19 will read ON  after pressing the power/ignition switch twice  .
      NOTE: Do not be confused by any screen messages. At this point, simply turn the ignition ON.
      G10220291
    3. Wait for the bar graph in the ERASE  window to complete 100%.
    4. Select Next  .
      G10220292
  25. Verify the part number has changed (before and after reprogramming part numbers should be different).
    1. Print a copy of the screen in Figure 22 by selecting Print  .
    2. Attach a copy to the repair order.
    3. Once a copy has been printed, select Confirm  .
      G10220293
  26. After Confirmation has completed, select Home  .
    G10220294
  27. Repeat the entire reprogramming procedure for DAST 2.
  28. Repeat the entire reprogramming procedure for EPS/DAST 3.

    After all three reprograms (DAST 1, DAST 2, and EPS/DAST 3) are complete, go to step 29 on the next page. 

  29. Check for DTCs in DAST 1, DAST 2, and EPS/DAST 3.
    1. Open C-III plus, and then select Diagnosis (All Systems)  and Confirm  .
    2. Wait for system call to complete.
    3. Check for stored DTCs.
      • If no DTCs are stored, go to PART 2  on the next page  .
      • If C13C0 or C13C2 are stored in DAST 1 or DAST 2, go to DAST DTCs .
      • If DTC C13F2 is stored in DAST 1, DAST 2, or DAST 3 as current:
        • Then, at least one of the DAST control modules did not complete the reprogramming correctly.
        • Perform reprogramming again for the DAST control module that Does Not  have this code.
      • If only DTCs other then the ones listed above are stored, erase DTCs and go to PART 2  on the next page.
    NOTE: If a DAST control module replacement is required:
    • Refer to the appropriate section of the ESM for the procedure to replace and configure a DAST control module.
    • Make sure to perform Read/Write Configuration:  Save the Control module's configuration before replacement, and then write the configuration to the new control module.

PART 2: Calibration and Confirmation Procedures

NOTE: PART 2 includes the following:
  • DAST CALIBRATION (MODE1)
  • ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION
  • Self-Diagnosis Check
  • Confirmation of EPS/DAST 3 ANGLE 1

DAST CALIBRATION (MODE1)

CAUTION:
  • Never move the vehicle during DAST CALIBRATION (MODE1)  because the steering gear is held in a neutral position until the ignition switch is turned OFF.
  • Never rotate the steering wheel more than 120 degrees just after DAST CALIBRATION (MODE1)  has been completed because the spiral cable will be damaged.
WARNING: Be careful of moving parts.  The steering wheel and front wheels will move automatically by themselves after starting DAST CALIBRATION (MODE1).

Before starting Calibration Mode1: 

NOTE: This calibration procedure will be performed twice completely through.
IMPORTANT: Do Not  turn the ignition OFF at the end of the second time through.
  1. Make sure the plus VI is still connected to the vehicle and to the CONSULT PC with the USB cable  .
  2. Make sure the AC adapter is still connected to the CONSULT PC.
  3. Turn the ignition ON (engine OFF / Not Ready).
    IMPORTANT: Do Not start the engine (for Hybrid models the READY light must be OFF).
  4. Turn ON the CONSULT PC, and then open C-III plus (if not already open).
  5. On the C-III plus screen, select Diagnosis (All Systems).  After system call has completed, select EPS/DAST 3 >> Work support >> DAST CALIBRATION (MODE1).  See Figure 24.
    G10220295
  6. Select START  , and then START  a second time to begin DAST CALIBRATION (MODE1). 
    • Do not rotate the road wheels during the DAST calibration.
    WARNING: Be careful of moving parts.  The steering wheel and front wheels will move automatically by themselves after starting DAST CALIBRATION (MODE1).
    NOTE: If DAST CALIBRATION (MODE1) will not start, refer to DAST DTCs .
  7. When Auto steering has completed, center the steering wheel to the neutral (straight ahead) position, and then select Start again (see Figure 25).
    IMPORTANT: The steering wheel must be positioned in the neutral (straight ahead) position, for step 7 above, to ensure that the steering wheel will be centered when driving straight.
    CAUTION: When DAST CALIBRATION (MODE1) has completed, the steering wheel is disconnected from the steering gear and the force feedback of the steering is reduced. Never turn the steering wheel beyond 120 degrees otherwise the spiral cable will be damaged. 
    G10220296
  8. Select End  .
    G10220297
  9. Turn the ignition OFF.
  10. With the C-III plus still connected, repeat steps 1-8 a second time, but Do Not turn the ignition OFF  after step 8, and then proceed to step 11.
  11. Select the BACK  button twice, and then select Yes  to "Delete results".
    IMPORTANT: Do Not  turn the ignition OFF.
    • If the ignition is turned OFF between the DAST CALIBRATION (MODE1) and ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION, the procedure for DAST CALIBRATION (MODE1) must  be started over from step  1.

ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION

  1. With C-III plus in Diagnosis (All Systems),  select ABS >> Work support >> ST ANGLE SENSOR ADJUSTMENT,  and then select START  .
  2. When the message "Waiting for your operation..." is displayed, select Start  .
    IMPORTANT: Do Not  touch the steering wheel while adjusting steering angle sensor.
    G10220298
  3. When the message COMPLETE  is shown (after approx. 5 seconds), select End  .
  4. Turn the ignition switch OFF and wait at least 10 seconds.
  5. Disconnect the battery charger from the vehicle 12V battery.
  6. Go to SELF-DIAGNOSIS CHECK  on the next page.

SELF-DIAGNOSIS CHECK

  1. Start the engine or place in READY mode (turn ignition ON with  brake pressed).
  2. Check for DTCs in DAST 1, DAST 2, and EPS/DAST 3 as follows:
    1. On C-III plus, return to the Home screen.
    2. Select Diagnosis (All Systems)  , and then select Confirm  .
    3. Wait for system call to complete.
    4. Check for stored DTCs.
      • If no DTCs are stored, go to CONFIRMATION of EPS/DAST 3 ANGLE 1  on the next page.
      • If DTCs C13E9-00, C13EB-00, and/or C13F0-00 are stored:
        1. Erase all DTCs.
        2. Change the steering wheel tilt to a slightly lower position.
        3. Perform DAST CALIBRATION (MODE1) again.
        4. Perform SELF-DIAGNOSIS Check again.
        5. Repeat a - d above until no DTCs are stored.
        6. Go to CONFIRMATION of EPS/DAST 3 ANGLE 1  on the next page.
    IMPORTANT: Do Not  drive the vehicle.

CONFIRMATION OF EPS/DAST 3 ANGLE 1

NOTE: At this point the ignition should still be ON with the engine running or the READY light ON.
  1. With C-III plus in Diagnosis (All Systems),  select EPS/DAST 3 >> DATA MONITOR >> ANGLE 1  , and then check the value of ANGLE 1  (see Figure 28).
    • ANGLE 1 should be within the standard value shown below.
    • If ANGLE 1 is not  within the standard value:
      1. Change the steering wheel tilt to a slightly lower position.
      2. Perform DAST CALIBRATION (MODE1) again.
      3. Perform CONFIRMATION of EPS/DAST 3 ANGLE 1  again.
      4. Repeat a - c above until ANGLE 1 is within the standard value.
    MONITOR ITEM DESCRIPTION

    Monitor item Standard value
    ANGLE 1 between -4.4 and 4.4
    G10220299
  2. Disconnect C-III plus from the vehicle.
  3. Procedure is complete.

DAST DTCs

NOTE: Perform the following steps only if:
  • DTCs are stored for DAST 1 and/or DAST 2.
  • DAST CALIBRATION (MODE1) will not start.
  1. Check DTCs for DAST 1  .
    • If C13C0 and C13C2 are detected as current  on DAST 1  , replace the control module for DAST 2  .
    • If DTCs can not be read (DAST 1 is not listed), go to step 2 and check DTCs for DAST 2  .
  2. Check DTCs for DAST 2  .
    • If C13C0 and C13C2 are detected as current on DAST 2  , replace the control module for DAST 1  .
    • If DTCs can not be read (DAST 2 is not listed), turn the ignition switch OFF and then back ON. Then go back to Check DTCs for DAST 1 (step 1) again.
      • If step 1 and step 2 are repeated more than 5 times  and there is still no DTCs stored/listed, replace the control module for DAST 3  .
    NOTE: If a DAST control module replacement is required:
    • Refer to the appropriate section of the ESM for the procedure to replace and configure a DAST control module.
    • Make sure to write the correct configuration  to the new control module.

    INFORMATION:  If DTCs other than the ones listed above, are stored and will not erase, do the following:

    1. Turn the ignition OFF.
    2. Disconnect the 12V battery negative cable.
    3. Wait 5 minutes.
    4. Reconnect the negative battery cable.
    5. Return to where you were in the Service Procedure.

CLAIMS INFORMATION

Submit a "CM" line claim using the following claims coding: 

CLAIMS INFORMATION

CAMPAIGN ("CM") I.D. DESCRIPTION OP CODE FRT
P4202 DAST Reprogram & Recalibrate P42023 1.2 hrs
scientia non olet · About Mike's Workshop Manuals