Ground Circuit
WARNING: This page is about a different car, the 1993 Isuzu Pickup and 1993 Isuzu Amigo. However, it is still accessible from the selected car via links, so may be relevant.
Using an ohmmeter, check for continuity to ground on ECM connector terminal C46-13. See Figure
. ECM is located behind left kick panel. See Figure
. Resistance should be zero ohms. If not, repair open to ground.