DTC U3004:11 [Advanced Keyless Entry And Push Button Start System]: Notes

DETECTION CONDITION AND POSSIBLE CAUSE

DETECTION CONDITION	ACC relay output circuit voltage less than threshold (2.2-6.5 V  ) is detected for 1 s  , while the circuit is active
POSSIBLE CAUSE	Connector or terminal malfunction Short to ground in wiring harness between relay block terminal 2E and keyless control module terminal 4F Relay block malfunction Keyless control module malfunction
Courtesy of MAZDA MOTORS CORP.