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Home/Cars/Genesis/G70/IG (2017-2023)/my Genesis G70 won't start; it just clicks, what should I check?

my Genesis G70 won't start; it just clicks, what should I check?

Genesis G70 IG (2017-2023)

Severity: highDifficulty: medium1-3 hours
3 min read
526 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix starting issues in Genesis G70. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Component
Electrical
Repair Time
1-3 hours

Safety Warnings

  • ⚠Disconnect the battery before working on electrical systems.
  • ⚠Allow the engine to cool before inspecting the starter motor.

Symptoms

  • •Engine does not turn over, only clicks
  • •Dashboard lights dim when the key is turned to the start position
  • •No sound from the starter motor
  • •Potential battery warning light illuminated prior to the issue
  • •Electrical accessories function intermittently or poorly

Diagnostic Steps

  1. 1Check the battery voltage using a multimeter; it should be above 12.4 volts for a healthy battery.
  2. 2Inspect battery terminals for corrosion or looseness; clean or tighten as necessary.
  3. 3Test the starter relay by swapping it with a similar, functioning relay in the fuse box.
  4. 4Use an OBD-II scanner to check for any related error codes that may indicate further issues.
  5. 5Inspect the starter motor connections for damage or looseness.
  6. 6If the battery is good, perform a voltage drop test on the starter circuit to check for resistance.

Solution

Solution

1. Preparation

  • Gather necessary tools: multimeter, socket set, wrench set, OBD-II scanner.
  • Ensure the vehicle is in park (automatic) or neutral (manual) and set the parking brake.
  • Disconnect the negative battery cable for safety.

2. Battery Inspection and Replacement

  1. Check Battery Condition
    • Reconnect the battery and perform a load test if voltage is low.
    • If the battery fails the load test or is over three years old, replace it with a new, fully charged battery.
  2. Cleaning Battery Terminals
    • Remove the battery cables from the terminals (negative first).
    • Clean the terminals with a wire brush and a mixture of baking soda and water to remove corrosion.
    • Reconnect the battery cables, ensuring a tight fit.

3. Starter Relay and Motor Inspection

  1. Replace Starter Relay
    • Locate the starter relay in the fuse box.
    • Remove the relay and replace it with a similar relay from the fuse box.
  2. Inspect the Starter Motor
    • Locate the starter motor, usually near the transmission.
    • Check and tighten the electrical connections to the starter motor.
    • If necessary, remove the starter motor for further testing or replacement.

4. Testing and Reassembly

  1. Reconnect Battery
    • Reconnect the negative battery cable.
  2. Test Start
    • Attempt to start the vehicle to check if the issue is resolved.

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

  • Multimeter
  • Socket set
  • Wrench set
  • OBD-II scanner

Parts Required

  • New battery (if needed)
  • Starter relay (if faulty)
  • Starter motor (if faulty)

Additional Information

Component

Electrical

Repair Time

1-3 hours

Difficulty

medium

Severity

high

Tools

4 items

Parts

3 items

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