I have 1.9-3 volts at all sensors when they are all disconnected. Have had the PCM checked and no fault found. I have then tried another known good PCM just to make sure. Have done continuity tests...
Type: Posts; User: spanks
I have 1.9-3 volts at all sensors when they are all disconnected. Have had the PCM checked and no fault found. I have then tried another known good PCM just to make sure. Have done continuity tests...
Hey guys. Got an issue with a 1999 Holden Commodore Gen3. Bringing up DTC P1635 5V reference circuit 1 which effects MAP,TPS and oil pressure switch. Voltage is varying between 1.9 and 3 volts at...