Trunk will not open with key or key fob. Will open with latch inside

 

My 04 honda accord trunk lid will not open using key fob or master key trunk lid does work either good bulb

 

My 04 honda accord trunk lid will not open using key fob or master key trunk light does not work good bulb

 

No need for multiple threads on the same issue.

Is this a 2 or 4 door?

 

Since it has a trunk key cylinder, it would probably be a sedan.

1. Issue can be with the multiplex integrated control unit (MICU is part of the under-dash fuse/relay box), wiring, or the trunk latch switch.

Disconnect the 3P gray connector from the trunk latch switch. Apply power (+) to the trunk latch switch's terminal no. 1 (where Yel/Grn wire was connected to) and body ground (-) to trunk latch switch's terminal no. 2 (where Blk wire was connected). Only apply battery voltage momentarily to prevent damage if the motor is good.

If the latch works, then it is either an issue with wiring or the MICU. If it doesn't work, it's an issue with the trunk latch switch.

2. Although the separate trunk key cylinder can be tested for continuity, it may not be necessary since you're having issues with the latch.