DTC U0323-00; Instrument Cluster Error: Notes

DTC U0323:00	Instrument cluster error
DETECTION CONDITION	When any of the following conditions is met: CAN communication line malfunction between instrument cluster and PCM Instrument cluster internal malfunction Diagnostic support note This is a continuous monitor (other). The check engine light does not illuminate. FREEZE FRAME DATA is not available. Snapshot data is available. DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION	Not applicable
POSSIBLE CAUSE	CAN drive error (instrument cluster or PCM) CAN communication line malfunction between instrument cluster and PCM Instrument cluster terminal B-BCM terminal 2D Instrument cluster terminal D-BCM terminal 2C BCM terminal 3C-PCM terminal 2AK BCM terminal 3D-PCM terminal 2AL Instrument cluster connector or terminals malfunction PCM connector or terminals malfunction Instrument cluster malfunction PCM malfunction

Fig 1: Identifying BCM Wiring Harness Side Connector Terminals

Courtesy of MAZDA MOTORS CORP.