2021 TOYOTA SIENNA HYBRID battery replacement

25Your Warranties in Detail
WARRANTY


WHAT IS NOT COVERED
These warranty obligations do not apply
to failures or noncompliance caused by:
• The use of replacement parts not
certified in accordance with aftermarket
parts certification regulations.
• The use of replacement parts not
equivalent in quality or design to
original equipment parts.
Provisions under the “What Is Not Covered”
section of the New Vehicle Limited Warranty
also apply to this warranty.
PARTS LIST:
LONG-TERM EMISSION
DEFECT WARRANTY
The parts listed here are covered for seven
years or 70,000 miles from the vehicle’s
in-service date, whichever occurs first.
Air Induction/Exhaust System
• Cam timing control motor
• Intake manifold
• Throttle body
Catalyst System
• Exhaust front pipe (including
catalytic converter)
• Exhaust manifold (including
manifold converter)
EGR System
• EGR cooler



Evaporative Control System
• Charcoal canister
• Fuel tank
Fuel Control System
• Engine control computer
(engine control module)
• Fuel delivery pipe
• Fuel pressure sensor
• Fuel pump (high pressure
and low pressure)
Hybrid System
• Battery control module
(battery voltage sensor)†
• Brake actuator
• Brake master cylinder for HV
• Hybrid battery†
• Hybrid control module (power
management control module)†
• Inverter with converter†
• Oil pump with motor
• RR traction motor with transaxle
• Transaxle (including motor and generator)
• Water pump with motor
Ignition System
• Knock sensor
CALIFORNIA EMISSION CONTROL WARRANTY
† Covered under the Hybrid System Warranty for eight years or 100,000 miles, whichever occurs first, with the exception of the hybrid battery covered for ten years or 150,000 miles, whichever occurs first.
126980_19-TCS-14210 MY21 SIENNA WMG 2_R1.indd 25126980_19-TCS-14210 MY21 SIENNA WMG 2_R1.indd 259/15/20 9:36 AM9/15/20 9:36 AM

41Maintenance Log
MAINTENANCE LOG
MAINTENANCE
30,000 miles or 36 months
■ Add Toyota EFI Tank Additive or equivalent (Hawaii, Puerto Rico and Saipan only)
■����� ������������ �� �������� ����� ���
■������� ��� ������ ��� ����� �������
■������� �� ������� ������� ������ �������
■������� ����� ������
■������� ����� ��� ������
■������� ������ ��� ������
■������� ������ ��� ��� ��� �������
■������ �����
Inspect the following: _ Automatic transmission for signs of leakage _Ball joints and dust covers _Brake lines and hoses _ Brake linings/drums and brake pads/discs5
_Drive shaft boots _Engine/Inverter coolant6
Additional Maintenance Items for Special Operating Conditions3
Driving on dirt roads or dusty roads: ■Tighten nuts and bolts on chassis and body
Driving while towing, using a car-top carrier, or heavy vehicle loading:7
■Tighten nuts and bolts on chassis and body
_Exhaust pipes and mountings _ Fuel lines and connections, fuel tank band and fuel tank vapor vent system hoses _Fuel tank cap gasket _Radiator, condenser and/or intercooler _Rear differential oil (AWD) _Steering gear _Steering linkage and boots
1 Inspect sealed transmissions, transfer cases and differentials for signs of leakage. If any leakage from a sealed component is suspected, it is recommended that you have the sealed component inspected by a Toyota dealer. Inspect power steering fluid (if equipped) and brake fluid level/condition. Inspect engine and inverter (if equipped) coolant level/condition/freezing point. Your dealer may recommend services (Dealer-Recommended Maintenance) based on inspection results.2 Reset the oil replacement reminder light (“MAINT REQD”) or the message “OIL MAINTENANCE REQUIRED” on the multi-information display after maintenance at every 5,000 miles.3 Perform these service items only if you drive primarily under the conditions indicated. 4 Visually check the HV battery cooling intake filter for dirt or dust every 5,000 miles and clean if necessary. Clean every 20,000 miles.5 Inspect thickness measurement and disc runout.6 Refer to “Engine/Inverter Coolant” in the “Explanation of Maintenance Items” section in the back of this guide for more information.7 Not all vehicles are designed for towing. Refer to your Vehicle Owner’s Manual for details.
Dealer Service verification:
Date:Mileage:
126980_19-TCS-14210 MY21 SIENNA WMG 2_R1.indd 41126980_19-TCS-14210 MY21 SIENNA WMG 2_R1.indd 419/15/20 9:36 AM9/15/20 9:36 AM

45Maintenance Log
MAINTENANCE LOG
MAINTENANCE
60,000 miles or 72 months
■ Add Toyota EFI Tank Additive or equivalent (Hawaii, Puerto Rico and Saipan only)
■����� ������������ �� �������� ����� ���
■����� �� ������� ������� ������ �������
■������� ��� ������ ��� ����� �������
■������� ����� ������
Inspect the following: _ Automatic transmission for signs of leakage _Ball joints and dust covers _Brake lines and hoses _ Brake linings/drums and brake pads/discs5
_Drive shaft boots
_Engine/Inverter coolant6
Additional Maintenance Items for Special Operating Conditions3
Driving on dirt roads or dusty roads: ■Tighten nuts and bolts on chassis and body
Driving while towing, using a car-top carrier, or heavy vehicle loading:7
■Replace automatic transmission fluid
■������� ���� ������������ ��� �����
■������� ���� ��� ����� �� ������� ��� ����


Dealer Service verification:
Date:Mileage:
_exhaust pipes and mountings _ fuel lines and connections, fuel tank band and fuel tank vapor vent system hoses _fuel tank cap gasket _radiator, condenser and/or intercooler _rear differential oil (aWD) _Steering gear _Steering linkage and boots
1 inspect sealed transmissions, transfer cases and differentials for signs of leakage. if any leakage from a sealed component is suspected, it is recommended that you have the sealed component inspected by a toyota dealer. inspect power steering fluid (if equipped) and brake fluid level/condition. inspect engine and inverter (if equipped) coolant level/condition/freezing point. Your dealer may recommend services (Dealer-recommended Maintenance) based on inspection results.2 reset the oil replacement reminder light (“Maint reQD”) or the message “oil Maintenance reQUireD” on the multi-information display after maintenance at every 5,000 miles.3 Perform these service items only if you drive primarily under the conditions indicated.4 visually check the Hv battery cooling intake �lter for dirt or dust every 5,000 miles and clean if necessary. clean every 20,000 miles.5 inspect thickness measurement and disc runout.6 refer to “engine/inverter coolant” in the “explanation of Maintenance items” section in the back of this guide for more information. 7 not all vehicles are designed for towing. refer to your vehicle Owner’s Manual for details.
■������� ����� ��� ������
■������� ������ ��� ������
■������� ������ ��� ��� ��� �������
■������ �����
126980_19-TCS-14210 MY21 SIENNA WMG 2_R1.indd 45126980_19-TCS-14210 MY21 SIENNA WMG 2_R1.indd 459/15/20 9:36 AM9/15/20 9:36 AM

49Maintenance Log
MAINTENANCE LOG
MAINTENANCE
90,000 miles or 108 months
■ Add Toyota EFI Tank Additive or equivalent (Hawaii, Puerto Rico and Saipan only)
■����� ������������ �� �������� ����� ���
■������� ��� ������ ��� ����� �������
■������� �� ������� ������� ������ �������
■������� ����� ������
■������� ����� ��� ������
■������� ������ ��� ������
■������� ������ ��� ��� ��� �������
■������ �����
Inspect the following: _ Automatic transmission for signs of leakage _Ball joints and dust covers _Brake lines and hoses _ Brake linings/drums and brake pads/discs5
_Drive shaft boots _Engine/Inverter coolant6
Additional Maintenance Items for Special Operating Conditions3
Driving on dirt roads or dusty roads: ■Tighten nuts and bolts on chassis and body
Driving while towing, using a car-top carrier, or heavy vehicle loading:7
■Tighten nuts and bolts on chassis and body
Dealer Service verification:
Date:Mileage:
_exhaust pipes and mountings _ fuel lines and connections, fuel tank band and fuel tank vapor vent system hoses _fuel tank cap gasket _radiator, condenser and/or intercooler _rear differential oil (aWD) _Steering gear _Steering linkage and boots
1 inspect sealed transmissions, transfer cases and differentials for signs of leakage. if any leakage from a sealed component is suspected, it is recommended that you have the sealed component inspected by a toyota dealer. inspect power steering fluid (if equipped) and brake fluid level/condition. inspect engine and inverter (if equipped) coolant level/condition/freezing point. Your dealer may recommend services (Dealer-recommended Maintenance) based on inspection results.2 reset the oil replacement reminder light (“Maint reQD”) or the message “oil Maintenance reQUireD” on the multi-information display after maintenance at every 5,000 miles.3 Perform these service items only if you drive primarily under the conditions indicated.4 visually check the Hv battery cooling intake �lter for dirt or dust every 5,000 miles and clean if necessary. clean every 20,000 miles.5 inspect thickness measurement and disc runout.6 refer to “engine/inverter coolant” in the “explanation of Maintenance items” section in the back of this guide for more information.7 not all vehicles are designed for towing. refer to your vehicle Owner’s Manual for details.
126980_19-TCS-14210 MY21 SIENNA WMG 2_R1.indd 49126980_19-TCS-14210 MY21 SIENNA WMG 2_R1.indd 499/15/20 9:36 AM9/15/20 9:36 AM