Note On Intermittents

If an intermittent Code B334 is being set, manipulate the related wiring at PCM. With the ignition key on (engine not running), a LOW OIL PRESSURE message will indicate loss of PCM communication, and possibly help to isolate the intermittent without having to look for the code. Also check PCM and MEM-CAL connections.

Fig 1: Code B334, Schematic, Loss Of ECM Data

Fig 2: Flow Chart, Code B334, Loss Of ECM Data