how to resolve a malfunctioning TPMS in Toyota Corolla E170 (2013-2019)

Toyota Corolla E170 (2013-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

587 words

Problem Statement

Learn how to diagnose and fix TPMS malfunction in Toyota Corolla E170 (2013-2019). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Electrical

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is securely lifted and supported before working on tires.
•Wear appropriate personal protective equipment (gloves, safety glasses) when handling tires and tools.

Symptoms

•TPMS warning light is illuminated on the dashboard
•Inaccurate tire pressure readings displayed
•Warning light remains on even after checking tire pressures
•Occasional blinking of the TPMS light
•Difficulty resetting the TPMS after tire rotation or replacement

Diagnostic Steps

1
Scan the vehicle's onboard computer for TPMS-related error codes using an OBD-II scanner.
2
Check the tire pressures of all four tires, including the spare, to ensure they are within the manufacturer's specifications.
3
Inspect each tire's valve stem and TPMS sensor for physical damage or corrosion.
4
Verify that all TPMS sensors are communicating with the vehicle's ECU by using a TPMS tool.
5
Examine the vehicle’s battery and electrical connections related to the TPMS system for corrosion or loose connections.
6
Perform a visual inspection of the TPMS reset button, if applicable, to ensure proper functionality.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•OBD-II scanner
•TPMS tool
•Tire pressure gauge
•Socket set
•Tire changing tools

Parts Required

•New TPMS sensors (if faulty)
•Valve stems (if damaged)

Related Faults

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Diagnostic Steps

1
Scan the vehicle's onboard computer for TPMS-related error codes using an OBD-II scanner.
2
Check the tire pressures of all four tires, including the spare, to ensure they are within the manufacturer's specifications.
3
Inspect each tire's valve stem and TPMS sensor for physical damage or corrosion.
4
Verify that all TPMS sensors are communicating with the vehicle's ECU by using a TPMS tool.
5
Examine the vehicle’s battery and electrical connections related to the TPMS system for corrosion or loose connections.
6
Perform a visual inspection of the TPMS reset button, if applicable, to ensure proper functionality.

Solution

1. Preparation

Gather tools and parts needed for the repair.
Ensure the vehicle is parked on a flat surface and the engine is off.
Tools Required: OBD-II scanner, TPMS tool, tire pressure gauge, socket set.

2. Replace Faulty TPMS Sensors

Lift the Vehicle: Use a jack to lift the vehicle and secure with jack stands.
Remove Tires: Loosen lug nuts with a socket set and remove the wheels from the hub.
Access TPMS Sensors:
- For each tire, remove the tire from the rim using a tire machine or manual tools.
- Carefully detach the TPMS sensor from the valve stem.
Install New Sensors:
- Install the new TPMS sensor onto the valve stem.
- Ensure it is securely tightened according to manufacturer specifications (usually around 3-5 ft-lbs).
Reassemble Tires: Re-mount the tire onto the rim, ensuring proper seating, and inflate to recommended pressure.

3. Reset the TPMS

Turn on Ignition: Without starting the engine, turn the ignition key to the "ON" position.
Locate TPMS Reset Button: Find the TPMS reset button, usually located beneath the steering wheel or in the glove compartment.
Press and Hold: Press and hold the reset button until the TPMS light blinks three times, then release.
Drive the Vehicle: Drive the car at speeds above 25 mph for approximately 10 minutes to allow the system to recalibrate.