Checks, in order
- Sunroof drainsIf equipped, open the sunroof and look for drain holes in the corners of the tray. Clear them with compressed air or a flexible plastic line. Never use wire that can puncture the hose.easy $ · under about $50
- Wet carpet locationFind where the water collects: front footwells point to a sunroof drain or cowl drain, while rear sections suggest the hatch seal.easy $ · under about $50
- Door lock actuatorIf one door fails to lock or unlock, listen for the motor at the door when you press the switch. A buzz with no movement means a failed actuator. Silence suggests wiring or a fuse.medium $$ · about $50 to $500
- Hatch window trackClean and lubricate the rear window track and check the motor fuse. Debris in the track is a common reason it hangs up.medium $ · under about $50
- Door and window sealsInspect the rubber seals for tears and compression. A slow leak at a worn seal often shows up in heavy rain.easy $ · under about $50
Applies to: 5th generation 4Runner, 2010 to 2024, with the 1GR-FE 4.0L V6 and the 5-speed automatic. Assumes the stock configuration; trim-specific items (KDSS, sunroof, A/C) are noted where they apply.
Tools and parts for these checks
Links below are Amazon affiliate links: as an Amazon Associate, toyotadata earns from qualifying purchases, at no extra cost to you. Confirm fitment for your exact truck before you order.
| ITEM | USED FOR | BUY |
|---|---|---|
| Door and window seal conditioner | Reviving dried-out door and window seals | Shop on Amazon |
| Digital multimeter | Voltage, ground and continuity checks | Shop on Amazon |
Other body & electrical problems on the 5th Gen 4Runner
More 5th Gen 4Runner problems
- Rust on the frame, flaking, or holes in the frame rails (Frame & Body)
- KDSS warning, fluid leak, or clunking and uneven ride on a KDSS truck (Steering & Suspension)
- Oil leak or oil smell from the front of the engine (Engine)
- Rough idle, shaking, or misfire with a flashing check engine light (Fuel & Ignition)
- Check engine light with P0171 or P0174, system too lean (Fuel & Ignition)
- Check engine light with P0420 or P0430, catalyst efficiency (Emissions)
All 16 5th Gen 4Runner 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.