Part 1
INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION
1. PROCEDURES NECESSARY WHEN BATTERY TERMINAL IS DISCONNECTED/RECONNECTED
NOTICE:
After the engine switch is turned off, the display and navigation module display (HDD navigation system) records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 60 seconds before disconnecting the cable from the negative (-) battery terminal.
2. PROCEDURES NECESSARY WHEN ECU OR OTHER PARTS ARE REPLACED
* *1: w/ garage door opener system
* *2: w/ remote engine starter system
* *3: w/o air suspension system
3. VEHICLE IDENTIFICATION NUMBER (VIN) REGISTRATION (SFI System)
NOTICE:
The Vehicle Identification Number (VIN) must be input into a replacement ECM.
HINT
The VIN is a 17-digit alphanumeric vehicle identification number. The Techstream is required to register the VIN.
(a) DESCRIPTION
HINT
This registration section consists of 2 parts: Read VIN and Write VIN.
(1) Read VIN: This process allows the VIN stored in the ECM to be read in order to confirm that the 2 VINs, the one provided with the vehicle and stored in the vehicle ECM, are the same.
(2) Write VIN: This process allows the VIN to be input into the ECM. If the ECM is changed, or the ECM VIN and vehicle VIN do not match, the VIN can be registered, or overwritten in the ECM by following this procedure.
(b) READ VIN
(1) Confirm the vehicle VIN.
(2) Connect the Techstream to the DLC3.
(3) Turn the engine switch on (IG).
(4) Turn the Techstream on.
(5) Enter the following menus: Powertrain / Engine / Utility / VIN / VIN Read.
(c) WRITE VIN
(1) Confirm the vehicle VIN.
(2) Connect the Techstream to the DLC3.
(3) Turn the engine switch on (IG).
(4) Turn the Techstream on.
(5) Enter the following menus: Powertrain / Engine / Utility / VIN / VIN Write.
4. ADJUST MILLIMETER WAVE RADAR SENSOR ASSEMBLY (Dynamic Radar Cruise Control System)
Text in Illustration
CAUTION:
Exposure to radio frequency emissions is hazardous to your health. It is hazardous to your health to be within 20 cm (7.87 in.) of the device's radio frequency aperture.
NOTICE:
* This device complies with FCC radio frequency emission regulations.
* Perform measurements on a level surface.
* Make sure that no large pieces of metal are within a 10 m (32.8 ft.) x 14 m (45.9 ft.) area in front of the vehicle. If possible, the surrounding area should also be free of large metal objects.
(a) Before adjusting the radar beam axis, prepare the vehicle as follows.
(1) Check the tire pressure and adjust it if necessary.
(2) Remove all excess weight from the vehicle (luggage, heavy objects, etc.).
(b) w/ Air Suspension:
Adjust the vehicle's height to the standard height.
(c) Check and adjust the vertical direction of the radar sensor.
Text in Illustration
(1) Remove dust, oil and foreign matter from the radar sensor's level rack.
(2) Set a level on the radar sensor's level rack.
(3) Check that the level's air bubble is within the red frame.
Text in Illustration
OK:
Level's air bubble is within red frame.
(3) If the bubble is not within the red frame, use a screwdriver to adjust bolt A until the air bubble is within the red frame.
HINT
* The adjustable range within the level's red frame is +/-0.2°.
* The target angle is +0.2° (upward angle of 0.2°).
Result:
(d) Adjust the reflector height.
Text in Illustration
(1) Adjust the reflector so that the center of SST reflector is the same height as the millimeter wave radar sensor.
SST : 09870-60000
09870-60010
SST : 09870-60040
HINT
Prepare a 10 m (32.8 ft.) string, a string with a sharp-pointed weight (plumb bob), and a 5 m (16.4 ft.) tape measure.
(e) Place the reflector.
(1) Hang the string (with weight) from the center of the vehicle's rear emblem. Mark the vehicle's rear center point on the ground. Repeat for the front of the vehicle.
(2) Set one end of the 10 m (32.8 ft.) string on the vehicle's rear center point. Run the string over the vehicle's front center point to a position 5 m (16.4 ft.) beyond the vehicle's front center point, as shown in the illustration. Mark the 5 m (16.4 ft.) position.
(3) Using a tape measure, measure 15 mm (0.591 in.) to the right of the 5 m (16.4 ft.) position. Place the reflector at that position.
NOTICE:
Perform the operation as precisely as possible.
Text in Illustration
(f) Check the radar beam axis.
(1) When using the Techstream:
1 Connect the Techstream to the DLC3.
2 Turn the engine switch on (IG).
3 Turn the Techstream on, and turn the cruise control main switch on.
4 Select "Connect to Vehicle".
5 Select each item on the display screen and proceed to the next screen.
6 Under "System Selection Menu", select "Radar Cruise".
7 Select "Utility".
8 Select "Beam Axis Adjustment" and proceed to the next screen.
HINT
A buzzer will sound for 1 second.
9 Follow the tester display, and continue with the adjustment.
CAUTION:
Do not come within 20 cm (7.87 in.) of the radar sensor.
NOTICE:
* Turn the cruise control main switch on before pressing Next.
* Make sure there is at least 20 cm (7.87 in.) between the radar sensor and any nearby individuals.
(2) Check the following items on the laser cruise divergence data screen.
NOTICE:
While using the Techstream beam axis adjustment mode, the actual direction and angle of the radar sensor may be different from the Techstream data. In such a case, the deviation is displayed on the combination meter's multi-information display.
1 Confirm that the distance value is approximately 5 m (16.4 ft.).
HINT
* A value between 0.0 m (0.0 ft.) and 6.3 m (20.7 ft.) is indicated.
* If the distance is 0.0 m (0.0 ft.), the sensor cannot detect the target. Reconfirm that there is no metal in the specified area in front of the vehicle (refer to the NOTICE at the beginning of this adjustment procedure).
2 Confirm that the left/right side value is between 0.0 m (0.0 ft.) and 6.3 m (20.7 ft.).
HINT
If the distance is 0.0 m (0.0 ft.), the sensor cannot detect the target. Reconfirm that there is no metal in the specified area in front of the vehicle (refer to the NOTICE at the beginning of this adjustment procedure).
(g) Check and adjust the horizontal direction of the radar sensor.
(1) Check that the divergence of the radar beam axis is 0°.
Standard:
0° (Both right and left)
(1) If the axis is not as specified, use a screwdriver to adjust bolt B until the divergence of the radar beam axis is 0°.
(2) Based on the measured divergence of the beam axis, turn and adjust bolt B for horizontal adjustment of the millimeter wave radar sensor using a screwdriver.
Text in Illustration
Result:
HINT
* If "LEFT SIDE: 1.0°" is displayed, the divergence is 1.0° in the left direction. Turn bolt B approximately 2.5 turns to the negative (-) side.
* If the value does not change to 0°, it is possible that the sensor is aiming at something different. Reconfirm that there are no reflective materials in the surrounding area.
(3) Select "Next". The driving learning value is automatically reset.
HINT
A buzzer will sound for 10 seconds or more.
(4) Disconnect the Techstream from the DLC3.
(h) Recheck and readjust the vertical direction of the radar sensor.
(1) Set a level on the radar sensor's level rack.
Text in Illustration
(2) Check that the level's air bubble is within the red frame.
Text in Illustration
OK:
Level's air bubble is within the red frame.
(2) If the bubble is not within the red frame, use a screwdriver to adjust bolt A until the level's air bubble is within the red frame.
HINT
* The adjustable range within the red frame is +/-0.2°.
* The target angle is +0.2° (upward angle of 0.2°).
Result:
5. RESET TRANSAXLE COMPENSATION CODE (Automatic Transaxle System)
NOTICE:
* If the following parts have been replaced, initialize the TCM and perform the following "Reset Memory" and "Perform Road Test to Allow TCM to learn" steps.
* - Valve body assembly
* - Shift solenoid valve SL3
* - Shift solenoid valve SL4
* - TCM
* The transaxle compensation code can only be initialize with the Techstream.
HINT
The TCM memorizes the condition that the ECT controls the automatic transaxle assembly according to those characteristics. Therefore, when the automatic transaxle assembly, or TCM has been replaced, it is necessary to reset the memory so that the TCM can memorize the new information. Reset procedure is as follows:
(a) Move the shift lever to N or P.
(b) Turn the engine switch off.
(c) Connect the Techstream to the DLC3.
(d) Turn the engine switch on (IG).
(e) Turn the Techstream on.
(f) Enter the following menus: Powertrain / ECT / Utility / A/T Code Reset.
(g) Press "Next" again to proceed.
NOTICE:
After the transaxle compensation code is initialized, perform the following "Reset Memory" and "Perform Road Test to Allow TCM to learn" steps.
(h) Press "Exit".
6. PERFORM ROAD TEST TO ALLOW TCM TO LEARN (Automatic Transaxle System)
NOTICE:
Perform the following procedure while strictly observing all traffic laws and speed limits.
(a) Warm up the engine.
(b) Turn the engine switch off.
(c) Connect the Techstream to the DLC3.
(d) Turn the engine switch on (IG).
(e) Turn the Techstream on.
(f) Enter the following menus: Powertrain / ECT / Data List / Throttle Position from EFI.
(g) From a standstill, achieve highest possible speed with the accelerator pedal opened 15% or less. Keep the accelerator pedal angle steady while driving the vehicle.
HINT
"Throttle Position from EFI": 15% or less
(h) Repeat the previous step until shift shock no longer occurs.
(i) From a standstill, achieve highest possible speed with the accelerator pedal opened 25% to 35%. Keep the accelerator pedal angle steady while driving the vehicle.
HINT
"Throttle Position from EFI": 25% to 35%
(j) Repeat the previous step until shift shock no longer occurs.
7. RESET MEMORY (Automatic Transaxle System)
NOTICE:
Reset Memory can be performed only with the Techstream.
HINT
The TCM (ECT) memorizes the vehicle conditions when controlling the automatic transaxle assembly and engine assembly.
Therefore, when the automatic transaxle assembly, valve body assembly, shift solenoid valve SL3, shift solenoid valve SL4, or TCM has been replaced, it is necessary to reset the memory so that the TCM can memorize the new information.
(a) Reset procedure is as follows.
(1) Turn the engine switch off.
(2) Connect the Techstream to the DLC3.
(3) Turn the engine switch on (IG).
(4) Turn the Techstream on.
(5) Enter the following menus: "Powertrain / ECT / Utility / Reset Memory". Then, press "Next".
NOTICE:
After performing Reset Memory, be sure to perform "Perform Road Test to Allow TCM to Learn" described earlier.
8. INPUT TRANSAXLE COMPENSATION CODE INTO TCM (Automatic Transaxle System)
NOTICE:
Transaxle compensation codes are unique, 60-digit alphanumeric values printed on a QR label on the transaxle. If an incorrect transaxle compensation code is input into the TCM, shift shock may occur.
(a) Record the transaxle compensation code specified on the QR label.
HINT
The transaxle compensation code is imprinted on the QR label.
(b) Move the shift lever to N or P.
(c) Connect the Techstream to the DLC3.
(d) Turn the engine switch on (IG).
(e) Turn the Techstream on.
NOTICE:
Do not start the engine.
(f) Enter the following menus: Powertrain / ECT / Utility / A/T Code Registration.
(g) Select "Set Compensation Code".
(h) Register the compensation code.
(1) Press "Input".
(2) Manually input the transaxle compensation code. The code is a 60-digit alphanumeric value printed on the QR label. After inputting the code, press "OK".
(i) Check that the compensation code displayed on the screen is correct by comparing it with the 60-digit alphanumeric value on the QR label.
NOTICE:
If an incorrect transaxle compensation code is input into the TCM, shift shock will occur.
(j) Press "NEXT" to set the compensation code to the TCM.
HINT
* If the registration process fails, the compensation code may be incorrect. Check the compensation code again.
* If the attempted compensation code is correct, a problem with the wire harness or a bad connection with the DLC3 may cause a registration failure. Check the wire harness and the DLC3 connection. If no problem is found, the TCM may be malfunctioning. Check the TCM and repeat this operation.
(k) Press "EXIT".
9. TRANSFER TRANSAXLE COMPENSATION CODE (Automatic Transaxle System)
NOTICE:
Transaxle compensation codes are 60-digit alphanumeric values imprinted on a QR label on the transaxle. If an incorrect transaxle compensation code is input into the TCM, shift shock may occur.
HINT
The following operation is available for use with TCMs that can transmit the registered transaxle compensation code to Techstream.
(a) Move the shift lever to N or P.
(b) Connect the Techstream to the DLC3.
(c) Turn the engine switch on (IG).
(d) Turn the Techstream on.
NOTICE:
Do not start the engine.
HINT
The transaxle compensation code is imprinted on the QR label.
(e) Read the transaxle compensation code.
(1) Enter the following menus: Powertrain / ECT / Utility / A/T Code Registration.
(2) Select "Read Compensation Code".
(3) Press "Save".
(4) Press "Save" or "Overwrite".
HINT
Press "Overwrite".
NOTICE:
Do not use the code specified on the transaxle QR label even if the transaxle compensation code cannot be read using the Techstream. The code printed on an in-service transaxle may not match its current characteristics. Replace the TCM with a new one and perform a road test to allow the TCM to learn.
(5) Press "EXIT".
(6) Turn the engine switch off.
(f) Replace the TCM.
(g) Set the transaxle compensation code.
(1) Turn the engine switch on (IG).
(2) Turn the Techstream on.
(3) Enter the following menus: Powertrain / ECT / Utility / A/T Code Registration.
(4) Select "Set Compensation Code".
(5) Press "Open".
(6) Press "Open" again to proceed.
(7) Press "Exit".
10. REGISTRATION OF VEHICLE IDENTIFICATION INFORMATION (Air Suspension System)
NOTICE:
* The CAN communication system must be functioning normally.
* Make sure that the ECM is the correct type, normally functioning and correctly installed.
HINT
* If the suspension control ECU is replaced with a new one, perform registration of vehicle identification information.
* Vehicle identification information is obtained automatically through CAN communication when in test mode.
(a) Turn the engine switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the engine switch on (IG).
(d) Turn the Techstream on.
(e) Enter the following menus: Chassis / Air suspension / Utility / Signal Check.
(f) Confirm that the system is in test mode by checking that the luggage mode indicator light in the combination meter blinks at 0.125 second intervals (0.125 seconds on and 0.125 seconds off).
