Control Unit (Harness Testing)
On B2200 and B2600i, remove driver seat. On MPV, remove rear side trim "A". On Navajo, locate control unit under left side of instrument panel. See Figure . On all models, disconnect control unit harness connector. Check voltage or resistance between control unit harness connector terminals indicated in chart. See Fig 1 .
CAUTION:
When checking resistance at control unit terminals, always disconnect negative battery cable.