Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSTOYOTA20054RUNNER LIMITED, 4.0 U, 4WDREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTWARNING SYSTEMSTIRE PRESSURE WARNING SYSTEM - DIAGNOSTICSPRECAUTION
2005 Toyota 4Runner Limited, 4.0 U, 4WD
Tire Pressure Warning System - Diagnostics: Precaution
2005 Toyota 4Runner Limited, 4.0 U, 4WDSECTION Precaution
NOTE:
When disconnecting the negative (-) battery terminal, initialize the following system after the terminal is reconnected.
INDEX
| System Name | See Example |
|---|---|
| Sliding Roof System | RESET |
- TIRE PRESSURE WARNING SYSTEM PRECAUTION
- When the tire pressure warning lamp comes on, immediately check the tire pressure of the tire and adjust it to the specified pressure.(The tire pressure warning lamp comes on if there is an open in the tire pressure warning lamp circuit.)NOTE: Check the spare tire as well since this system monitors pressure of all tires, including the spare.TIRE PRESSURE
Front Rear Spare 220 kPa (2.2 kgf/cm2 , 32 psi) 220 kPa (2.2 kgf/cm2 , 32 psi) 220 kPa (2.2 kgf/cm2 , 32 psi) - When the tire pressure warning lamp blinks, there is a malfunction in the system. Check for DTCs.
- It is necessary to register the transmitter ID in the tire pressure monitor ECU when replacing the tire pressure monitor valve sub-assy and/or tire pressure monitor ECU (see REGISTRATION ).
- When replacing the tire pressure monitor ECU.
- Using the DATA LIST, read the transmitter IDs registered in the ECU and make a note of them before removing the tire pressure monitor ECU.
- Register the transmitter IDs after installing a new tire pressure monitor ECU.
- When replacing the tire pressure monitor valve sub-assy.
- Make a note of the 7 digit number (transmitter ID) written on the tire pressure monitor valve sub-assy when replacing the tire pressure monitor valve sub-assy. Register the transmitter IDs in the tire pressure monitor ECU after replacing the tire pressure monitor valve sub-assy and installing the tires and wheels on the vehicle.
NOTE: The transmitter ID is written on the tire pressure monitor valve sub-assy and ID can not be seen after installing the tire pressure monitor valve sub-assy on the tire and wheel. Therefore, make a note of the transmitter ID before installing the tire pressure monitor valve sub-assy. - When the tire pressure warning lamp comes on, immediately check the tire pressure of the tire and adjust it to the specified pressure.(The tire pressure warning lamp comes on if there is an open in the tire pressure warning lamp circuit.)
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.