ES 350 V6-3.5L (2GR-FE) (2007)
7. Ground the spark plugs.
8. Check if a spark occurs at each spark plug while the engine is being cranked.
NOTE:
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Be sure to ground the spark plugs when checking.
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Replace the ignition coil if it receives an impact.
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Do not crank the engine for more than 2 seconds.
c. Perform the spark test according to the flowchart.
1. Check that the ignition coil connector is securely connected.
2. Perform a speak test on each ignition coil.
1. Replace the ignition coil with a normal one.
2. Perform the spark test again.
3. Check the power supply to the ignition coil.