One problem related to owners/service manual has been reported for the 2004 Toyota 4Runner. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Toyota 4Runner based on all problems reported for the 2004 4Runner.
Drivers door latch mechanism would not permit driver to exit the vehicle. Door would not unlock, though all electric and manual actions to unlock the door appear to work, latch handle would not move. This condition was normal for the vehicle when new if the door was locked. All other doors in the vehicle would open from the inside if locked. Drivers door latch failed prohibiting driver from exiting the car and was replaced. Replacement latch would permit emergency exit from the vehicle if the lock was activated.