NHTSA ID Number: 10214321
Manufacturer Communication Number: TTT061620
TSB/Document Date: 2022-06-21
Summary
TT: Some customers may experience an abnormal steering sensation (?pulling?, ?drifting?), which may be more pronounced after a cold soak. The steering angle value displayed in Techstream may be greater than +3° off when the steering wheel is held straight. Every time the vehicle?s battery is disconnected or discharged, the Steering Angle Neutral Point Memorization and the Steering Sensor Zero Point Calibration must be performed. These steps are consistent with Step 3 and 4 of the ?BEFORE INSPECTION? section of the Pre-Delivery Service Check Sheet
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TSB/Document ID: TTT061620
Replacement Service Bulletin Number:
MFR Communication Date: 2022-03-15
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
MFR Component System:
MFR Component Subsystem:
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Tech Tip T-TT-0616-20
March 15, 2022
Subject
Market
Steering Recalibration After Abnormal Steering
Sensation or Battery Disconnect
USA
Service Category
Section
Power Assist Systems
Applicability
2019-2021 RAV4 and RAV4 HV
APPLICABLE VEHICLES
2019-2021
RAV4
2019-2021
RAV4 HV
CONDITION
Some customers may experience an abnormal steering sensation (“pulling”, “drifting”), which may be
more pronounced after a cold soak.
The steering angle value displayed in Techstream may be greater than +3° off when the steering
wheel is held straight.
Every time the vehicle’s battery is disconnected or discharged, the Steering Angle Neutral Point
Memorization and the Steering Sensor Zero Point Calibration must be performed.
These steps are consistent with Step 3 and 4 of the “BEFORE INSPECTION” section of the PreDelivery Service Check Sheet (Link Below).
RECOMMENDATIONS
1. Check for DTCs – if found, proceed with the repair recommended in the Repair Manual.
2. If no DTCs are found; disconnect the battery, wait 30 minutes and reconnect the battery.
3. As per the Pre-Delivery Service Check Sheet, proceed with the Repair Manual process for
memorizing the Steering Angle Neutral Point described in RM100000001FAJ7 (Link Below):
Memorizing the Steering Angle Neutral Point includes:
o Fully turning the steering wheel lock-to-lock on level ground.
4. After memorizing the Steering Angle Neutral Point (above), complete the Repair Manual
process for Steering Sensor Zero Point Calibration described in RM100000001FOLC (Link
Below):
Steering Sensor Zero Point Calibration Sequence includes:
o For Gas Models: Driving vehicle straight at speed (>10 mph for >1 second)
o For HV Models: Driving vehicle straight at speed (>22 mph for >5 seconds)
5. After performing both calibration sequences described above, confirm that the abnormal
steering sensation has been corrected.
6. If abnormal operation continues, contact TAS.
Expires on
Ver. 2.12 01/01/2020 T
03/15/2023
Rev2
© 2020, Toyota
Motor Sales, USA
Page 1 of 2
Tech Tip T-TT-0616-20
March 15, 2022
Subject
Market
Steering Recalibration After Abnormal Steering
Sensation or Battery Disconnect
USA
Applicability
LINK REFERENCES
1. 2020 RAV4, RAV4 HV Pre-Delivery Service (PDS) Check Sheet
2. PRE-COLLISION: PRE-COLLISION SYSTEM: INITIALIZATION; 2019 - 2020 MY
RAV4 RAV4 HV [11/2018 - ???????]
3. PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM:
INITIALIZATION; 2019 - 2020 MY RAV4 RAV4 HV [11/2018 - ???????]
Expires on
Ver. 2.12 01/01/2020 T
03/15/2023
Rev2
© 2020, Toyota Motor Sales, USA
Page 2 of 2
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