FJ Cruiser: Turn the key: click or nothing, engine won't crank

Checks, in order

1. Battery voltage
   Resting voltage should be about 12.4 V or more. Under 12 V, charge and load-test the battery before chasing anything else.
   easy $ · under about $50
2. Terminals and grounds
   Clean and tighten both battery terminals and the ground strap from the engine to the body and frame. Corrosion makes the same click as a dead battery.
   easy $ · under about $50
3. Shift position or clutch switch
   On automatics, try starting in Neutral. On the manual, press the clutch fully down. A neutral safety or clutch start switch that is out of adjustment can block cranking.
   easy $ · under about $50
4. Immobilizer and key
   If the security light stays on or flashes, try the spare key. A weak key battery or immobilizer fault can stop the starter from being allowed to run.
   easy $ · under about $50
5. Starter and solenoid
   A single click with a good battery and clean cables points to the starter solenoid contacts. Have the starter bench tested or replace it.
   medium $$ · about $50 to $500

Applies to: US-market FJ Cruiser, 2007 to 2014, with the 1GR-FE 4.0L V6 (timing chain) and either the 5-speed automatic or the 6-speed manual. Assumes the part-time 4WD model with a floor-mounted transfer case lever; 2WD trucks skip the 4WD checks.

Tools and parts for these checks

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The same problem on other Toyotas

• 3rd Gen Tacoma (2016–2023): Turn the key or press the button: click or nothing, engine won't crank
• 1st Gen Tacoma (1995.5–2004): Turn the key: click or nothing, engine won't crank
• 5th Gen 4Runner (2010–2024): Turn the key: click or nothing, engine won't crank
• 4th Gen 4Runner (2003–2009): Turn the key: click or nothing, engine won't crank
• 3rd Gen 4Runner (1996–2002): Turn the key: click or nothing, engine won't crank
• 100 Series Land Cruiser / Lexus LX 470 (1998–2007): Turn the key: click or nothing, engine won't crank
• 80 Series Land Cruiser (1991–1997): Turn the key: click or nothing, engine won't crank

More FJ Cruiser problems

• Rust on the frame, especially at the rear crossmember (Frame & Body)
• Clunk or thump from the rear when coming to a stop or pulling away (Drivetrain)
• Steering wheel shimmy or flutter at highway speed (Steering & Suspension)
• Vibration that changes with vehicle speed, felt in the seat or floor (Drivetrain)
• Oil leaking from the rear differential, or whining, howling or grinding from the rear axle (Drivetrain)
• 4WD will not engage, or the A-TRAC / VSC lights come on (Drivetrain)

All 16 FJ Cruiser symptoms in the interactive troubleshooter →

General guidance from owner experience. Confirm torque specs, fluid capacities and procedures in the factory service manual. Brakes, steering and anything structural: if in doubt, have a qualified shop inspect it before driving.