Search the Community
Showing results for tags 'oxygen sensor'.
Found 1 result
ECM pin out
paathfinderr posted a topic in 90-95 WD21 PathfindersGreetings oh wise ones ? I have a 1992 and a 1995 Pathfinder, in California The 92 had some issues so I did some basic engine work. Most likely I messed something up... but I have the 1995 Nissan Workshop Manual - FSM. I could not find the 1992 version. The vehicle will not get out of closed loop - as indicated by no flashing of the green ECM light. The 95 does fine. Following the checking procedure for the O2 sensor connections between the O2 sensor harness and the ECM it has me check continuity between the sensor harness and pins 106 and 19 on the ECM harness. Neither has continuity. To me it would be reasonable if maybe one didn't have continuity, but both seems unlikely without any evidence of tampered or burnt wiring. So before I rewire for continuity I would like to check that for the 1992 Pathfinder the same pins as the 1995 (106 and 19) are involved. I did check that the ECM's are different V numbers so there's no point in me checking wire colors and pins for correspondence. Does anyone know where I can get a pin out diagram for the 1992 Pathfinder or a wiring diagram showing O2 sensor to ECM connections? Thanks! John