Part 2
INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION
INITIALIZATION (Continued)
11. PERFORM ZERO POINT OF YAW RATE AND ACCELERATION SENSOR (SST CHECK WIRE) (ELECTRONICALLY CONTROLLED BRAKE SYSTEM)
NOTICE:
- While obtaining the zero point, keep the vehicle stationary and do not vibrate, tilt, move, or shake it. (Do not turn the power switch on (READY).)
- Be sure to perform this procedure on a level surface (with an inclination of less than 1 degree).
(a) Clear the zero point calibration data.
(1) Turn the power switch off.
(2) Check that the steering wheel is centered and move the shift lever to the P position.
(3) Turn the power switch on (IG).
(4) Check that the warning light and indicator light come on and remains on until the power switch is turned on (READY).
(5) Turn the power switch on (IG).
(6) Using SST, connect and disconnect terminals TS and CG of the DLC3 4 times or more within 8 seconds.
SST: 09843-18040
(7) Check that no codes other than ABS code 42, VSC code 45 and Electronically Controlled Brake code 48, 66, or 95 are stored in the diagnostic system.
HINT:
- The ABS warning, brake control warning lights, and multi information display do not indicate the normal system code.
- Illustrations may differ from the actual screen displayed depending on the specifications of the vehicle and customized settings.
(8) Remove the SST from the terminals of the DLC3.
(b) Perform zero point calibration of the yaw rate and acceleration sensor.
(1) Turn the power switch off.
(2) Check that the steering wheel is centered and move the shift lever to the P position.
NOTICE: DTCs C1210/36 and C1336/98 will be recorded if the shift lever is not in the P position C1210.
(3) Using SST, connect terminals TS and CG of the DLC3.
SST: 09843-18040
(4) Turn the power switch on (IG).
(5) Keep the vehicle stationary on a level surface for 2 seconds or more.
(6) Check that the ABS warning, brake control warning and master caution indicator lights blink and a check VSC system message is displayed on the multi information display (Test Mode).
HINT :
- The SLIP indicator remains on during Test Mode because TRAC is prohibited.
- If the ABS warning, brake control warning and master caution indicator lights do not blink and/or a check VSC system message is not displayed on the multi information display, perform zero point calibration again.
- The zero point calibration is performed only once after the system enters the Test Mode.
- Calibration cannot be performed again until the stored data is cleared.
- Illustrations may differ from the actual screen displayed depending on the specifications of the vehicle and customized settings.
(7) Turn the power switch off and disconnect the SST from the DLC3.
12. ROTATION ANGLE SENSOR VALUE INITIALIZATION AND TORQUE SENSOR ZERO POINT CALIBRATION (ELECTRONIC POWER STEERING SYSTEM)
NOTICE: Clear the rotation angle sensor calibration value, initialize the rotation angle sensor value, and calibrate the torque sensor zero point if any of the following has occurred:
- The power steering ECU assembly has been replaced.
- The power steering link assembly has been replaced.
- Steering effort differs between left and right.
(a) Inspection before calibration
(1) Connect Techstream to the DLC3.
(2) Turn the power switch on (IG).
(3) Turn Techstream on.
(4) Check the IG power supply voltage on the tester screen. Enter the following menus: Chassis / EMPS / Data List.
Standard voltage:
10 to 14 V
NOTICE: If the IG power supply voltage is 10 V or less, calibration cannot be performed. In this case, charge or replace the battery, and then perform calibration.
(b) Rotation angle sensor calibration value clear, rotation angle sensor value initialization, and torque sensor zero point calibration.
NOTICE:
- If DTC C1516 (Torque Sensor Zero Point Adjustment Incomplete) is stored, the torque sensor zero point cannot be calibrated. Clear the DTC before starting calibration.
- If DTC C1526 (Rotation Angle Sensor Initialization Incomplete) is stored, the rotation angle sensor value cannot be initialized. Clear the DTC before starting initialization.
(1) Connect Techstream to the DLC3.
(2) Turn the power switch on (IG).
(3) Turn Techstream on.
(4) Enter the following menus: Chassis / EMPS / Utility / Torque / Sensor Adjustment.
(5) Follow the procedures on the tester display to clear the rotation angle sensor calibration value, initialize the rotation angle sensor value, and calibrate the torque sensor zero point.
NOTICE:
- When initializing the rotation angle sensor value, observe the following to stabilize sensor voltage:
After turning the power switch on (IG), wait for at least 2.5 seconds before turning the steering wheel. Do not turn the steering wheel quickly.
- The steering wheel will vibrate during torque sensor zero point calibration. Do not touch the steering wheel while it is vibrating or for 2 seconds after it stops.
13. ZERO POINT CALIBRATION (OCCUPANT CLASSIFICATION SYSTEM)
NOTICE: Make sure that the front passenger seat is not occupied before performing the operation:
HINT: Perform zero point calibration and sensitivity check if any of the following conditions occur.
- The occupant classification ECU is replaced.
- Accessories (seatback tray and seat cover, etc.) are installed.
- The front passenger seat is removed from the vehicle.
- The passenger airbag ON/OFF indicator ("OFF") comes on when the front passenger seat is not occupied.
- The vehicle is brought to the workshop for repair due to an accident or a collision.
(a) Zero point calibration and sensitivity check procedures.
HINT: Make sure that zero point calibration has finished normally, and then perform the sensitivity check.
(1) Check that all of the following conditions are met:
- The vehicle is parked on a level surface.
- No objects are placed on the front passenger seat.
- The front passenger seat belt buckle switch is OFF.
(2) Adjust the seat position according to the table below.
(3) Turn the power switch off.
(4) Connect Techstream to the DLC3.
(5) Turn the power switch on (IG) and turn the tester on.
(6) Enter the following menus: Body Electrical / Occupant Detection / Zero Point Calibration.
(7) Perform the zero point calibration by following the prompts on the tester screen.
HINT:
- Refer to the Techstream operator's manual for further details.
- If the zero point calibration does not complete, replace the front seat assembly RH.
OK:
"Zero Point calibration is complete." is displayed.
(b) Sensitivity check procedures
(1) Turn the power switch off.
(2) Connect Techstream to the DLC3.
(3) Turn the power switch on (IG) and turn the tester on.
(4) Enter the following menus: Body Electrical / Occupant Detection / Zero Point Calibration.
(5) Perform the sensitivity check by following the prompts on the tester screen.
HINT: Refer to the Techstream operator's manual for further details.
(6) Confirm that the beginning sensor reading within standard value.
Standard value:
-3.2 to 3.2 kg (-7 to 7 lb)
(7) Place a 30 kg (66.14 lb) weight (e.g.. a 30 kg (66.14 lb) of lead mass) onto the front passenger seat.
(8) Confirm that the sensitivity is within the standard value.
Standard value:
27 to 33 kg (59.52 to 72.75 lb)
HINT:
- When performing the sensitivity check, use a solid metal weight (the check result may not appear properly if the weight made from liquid is used).
- If the sensitivity deviates from the specified range, retighten the bolts of the front passenger seat without deforming the seat rail. After performing this procedure, if the sensitivity is not within the specified range, replace the front seat assembly RH.
14. DESCRIPTION OF CODE REGISTRATION (ENGINE IMMOBILIZER SYSTEM)
HINT:
- ID codes are the same as recognition codes for the wireless transmitter and the engine immobiliser function. Registering an ID code enables the smart key system, the wireless door lock control function and the engine immobiliser function to be operated.
- Code registration is needed when the certification ECU, ID code box, steering lock ECU or key is replaced with a new one.
(a) PROCEDURE "1"
The vehicle with the smart key system does not have a key slot. Therefore, hold the key close to the power switch to register the key, as shown in the illustration below.
15. PART REPLACEMENT KEY REGISTRATION (ENGINE IMMOBILIZER SYSTEM)
The following table shows ECU replacement and key registration procedures in case the malfunctioning ECU has been identified after troubleshooting the smart key system.
HINT:
- The following procedures indicated in the table below require the use of Techstream:
New key ID registration
Additional key ID registration
Key ID erasure
ECU code registration
- If all of the registered keys are not available, replacement of the ID code box is also required.
- A maximum of 7 keys can be registered.
16. KEY REGISTRATION (ENGINE IMMOBILIZER SYSTEM)
(a) PROCEDURE "A"
New key ID registration (when replacing certification ECU and ID code box, or certification ECU, ID code box and steering lock ECU)
- *1: Repeat this process for each key which is to be registered for the vehicle. Finish the procedure for each key within 30 seconds. If the procedure for any of the keys has not been finished within the specified time, perform registration procedures from process 1 again. Make sure that only 1 key is in the cabin during registration procedures. If 2 or more keys are in the cabin simultaneously, electric waves will interfere with each other, preventing normal registration.
(b) PROCEDURE "B"
New key ID registration (when replacing certification ECU)
- *1: Repeat this process for each key registered for the vehicle. Finish the procedure for each key within 30 seconds. If the procedure for any of the keys has not been finished within the specified time, perform registration procedures from process 1 again. If performing the key confirmation procedure for a key, the security indicator comes on and remains on until all the keys are confirmed.
- *2: Repeat this process for each key which is to be registered for the vehicle. Finish the procedure for each key within 30 seconds. If the procedure for any of the keys has not been finished within the specified time, perform registration procedures from 1 again. Make sure that only 1 key is in the cabin during registration procedures. If 2 or more keys are in the cabin simultaneously, electric waves will interfere with each other, preventing normal registration.
(c) PROCEDURE "C"
Additional key ID registration
- *1: Perform this process for one of the keys registered for the vehicle. Finish the procedure within 30 seconds. If the procedure has not been finished within the specified time, perform registration procedures from process 1 again.
- *2: Repeat this process for each key which is to be registered for the vehicle. Finish the procedure for each key within 30 seconds. If the procedure for any of the keys has not been finished within the specified time, perform registration procedures from 1 again. Make sure that only 1 key is in the cabin during registration procedures. If 2 or more keys are in the cabin simultaneously, electric waves will interfere with each other, preventing normal registration.
(d) PROCEDURE "D"
Key ID erasure
HINT: Erase all registered key codes except one.
- *1: Perform this process for one of the keys registered for the vehicle. Finish the procedure within 30 seconds. If the procedure has not been finished within the specified time, perform erasure procedures from process 1 again.
(e) PROCEDURE "E"
ECU code registration
- *1: Perform this process for one of the keys registered for the vehicle. Finish the procedure within 30 seconds. If the procedure has not been finished within the specified time, perform erasure procedures from process 1 again.
(f) PROCEDURE "F"
ECU communication ID registration
NOTICE:
- The ECU communication ID should be registered when the ID code box and/or the hybrid vehicle control ECU is replaced in order to match these ECU communication ID.
- The engine cannot be started unless the ECU communication ID matches.
- After the registration, pressing the power switch may not start the hybrid control system on the first try. If so, press the power switch again.
- After the hybrid control system is started, erase DTC B2799-542, 790 (code for hybrid vehicle control ECU's immobiliser communication error).
Register the ECU communication ID.
(1) Using SST, connect terminals TC and CG of the DLC3.
SST: 09843-18040
(2) Turn the power switch on (IG) and leave it for 30 minutes.
HINT: Do not start the engine.
(3) Turn the power switch off and disconnect terminals TC and CG.
(4) Check that the hybrid control system.
OK:
Hybrid control system starts and stays on for more than 3 seconds.
HINT: Using an already registered key, turn the power switch on (IG) with the brake pedal depressed.
17. INITIALIZE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF SYSTEM)
NOTICE: When replacing the sliding roof drive gear, the sliding roof drive gear requires initialization. If a reset is not executed, the following functions do not operate: auto operation and key off operation.
(a) Turn the power switch on (IG).
(b) Make sure that the sliding roof is fully closed.
(c) Push and hold the CLOSE switch or the UP switch until the following movement finishes: Tilt up approximately 1 second, tilt down, slide open, slide closed.
(d) Check that the sliding roof stops at the fully closed position.
(e) Finish the initialization.
(f) Check that the AUTO operation works normally.
NOTICE: If the following conditions occur during initialization procedure, initialization will fail:
- Power switch is turned off.
- Sliding roof control switch is released while sliding roof is operating.
- Vehicle speed is 5 km/h (3 mph) or more.
- Communication is cut off.
- Another switch is turned on during initialization.
- The vehicle experiences a strong vibration during initialization, such as the slamming of a door.
HINT:
- If the sliding roof cannot be fully closed or its position has become misaligned, perform initialization again.
- If the roof glass stops moving or starts moving in the opposite direction while the CLOSE or UP switch is held down, continue to hold the switch for another 10 seconds or more to return the sliding roof control ECU to an uninitialized condition. Then perform the initialization procedure again.
- If the AUTO operation function and jam protection function do not operate after the drive gear has been reset, replace the sliding roof drive gear (sliding roof ECU).