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Engine won't start Corolla E170 - Toyota Corolla
Home/Cars/Toyota/Corolla/E170 (2013-2019)/Engine won't start Corolla E170

Engine won't start Corolla E170

Toyota Corolla E170 (2013-2019)

Error Codes
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
4 min read
651 words

Problem Statement

Learn how to diagnose and fix a no-start issue in a Toyota Corolla E170 (2013-2019) with this detailed guide. Includes tools, steps, and repair instructions.

Affected Component
engine

Symptoms

  • •Engine cranks but won't start
  • •No crank, no start
  • •Intermittent start
  • •Dashboard lights might or might not illuminate

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

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
  • •Multimeter
  • •Basic Socket Set
  • •Screwdriver Set
  • •Battery Tester
  • •Fuel Pressure Gauge

Additional Information

Affected Component
engine
Difficulty
medium
Severity
medium
Tools Required
6 items

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Back to Generation

Certainly! An engine that won't start can be caused by a variety of issues. Below is a detailed diagnostic and repair guide for a Toyota Corolla E170 (2013–2019). Follow these steps to identify and potentially solve the issue.

Tools Required:
  • OBD-II Scanner
  • Multimeter
  • Basic Socket Set
  • Screwdriver Set
  • Battery Tester
  • Fuel Pressure Gauge

Step 1: Verify Battery Condition

  1. Check Battery Voltage:

    • Use a multimeter to check the battery voltage.
    • A healthy battery should read around 12.6 volts with the engine off.

  2. Load Test the Battery:

    • Use a battery tester to perform a load test.
    • Replace the battery if it fails the load test or reads below 12.4 volts.

  3. Inspect Battery Connections:

    • Ensure battery terminals are clean and tight.
    • Clean any corrosion using a baking soda and water solution.

Step 2: Check Starter Motor

  1. Listen for Clicking Sound:

    • Turn the ignition key to the start position.
    • A clicking sound indicates a faulty starter solenoid or motor.

  2. Test Starter Circuit:

    • Check for voltage at the starter terminal using a multimeter.
    • If no voltage, inspect wiring and ignition switch.

Step 3: Inspect Fuel System

  1. Check Fuel Level:

    • Ensure the fuel tank is not empty.

  2. Test Fuel Pressure:

    • Connect a fuel pressure gauge to the fuel rail.
    • A typical pressure for the Corolla E170 is between 44-50 psi.
    • If pressure is low, inspect the fuel pump, fuel filter, and pressure regulator.

  3. Listen for Fuel Pump:

    • Have an assistant turn the ignition key to the ON position.
    • Listen for a humming sound from the fuel tank area, indicating the fuel pump is operational.

Step 4: Check Ignition System

  1. Inspect Spark Plugs:

    • Remove a spark plug and inspect its condition.
    • Check for fouling, wear, or damage and replace if necessary.

  2. Check Ignition Coils:

    • Use a multimeter to check the primary and secondary resistance of the ignition coils.
    • Compare readings with the service manual specifications.

Step 5: Scan for Diagnostic Trouble Codes (DTCs)

  1. Connect an OBD-II Scanner:

    • Read any stored codes in the vehicle’s computer.
    • Common codes related to no-start issues include P0335 (Crankshaft Position Sensor) and P0340 (Camshaft Position Sensor).

  2. Interpret Codes and Perform Repairs:

    • Follow specific repair procedures for any detected codes.
Repair Instructions:

If Battery is Faulty:

  • Replace Battery:
    1. Remove the negative cable first, then the positive.
    2. Remove battery hold-down bracket.
    3. Install new battery in reverse order.

If Starter is Faulty:

  • Replace Starter Motor:
    1. Disconnect the negative battery cable.
    2. Remove electrical connections to the starter.
    3. Unbolt and remove the starter from the engine block.
    4. Install new starter motor in reverse order.

If Fuel System is Faulty:

  • Replace Fuel Pump:
    1. Relieve fuel system pressure.
    2. Remove fuel tank access cover.
    3. Disconnect electrical connectors and fuel lines.
    4. Remove and replace the fuel pump assembly.

If Ignition System is Faulty:

  • Replace Ignition Coils or Spark Plugs:
    1. Remove engine cover.
    2. Disconnect ignition coil connectors and remove coils.
    3. Replace spark plugs if necessary.
    4. Install new ignition coils and reconnect connectors.
Final Steps:
  • After performing necessary repairs, attempt to start the engine.
  • Verify the engine starts and runs smoothly.
  • Clear any DTCs using the OBD-II scanner and test drive the vehicle to ensure the issue is resolved.

By following these steps, you should be able to diagnose and address the no-start issue with the Toyota Corolla E170. If the problem persists, further inspection by a professional technician may be necessary.