Removed the AFM and tested all the checks in the manual on pages EF-51 and EF-52.
Passed with flying colors
However there was a ground wire that had been smashed underneath the sensor that was grounding the AFM outer casing to the body which was smashed/pinched/broken. So we remade that wire.
EF-23
2.1 Revolution trigger signal - voltage is 1.6 volts during ON and 0 when key is OFF. The trigger signal wire from the negative side of the coil to the 1 pin on the ECU plug is continuous and good.
When the key is turned to start the voltage increases to 3-4 volts. I am not sure if this voltage is enough or if the 1.6 volts is enough to indicate the "line voltage" that the manual says is an indication of the circuit. -- Not sure--
2.2 Power line circuit. voltage is .15 volts and doesn't change when I turn the car on or off. Between 88a on the relay and pin 10 on the ECI is continuous. 10.8 volts exists at 86c when the car is turned on. 88z and the +pole of the battery is continuous but at a big resistance because of a large fusible link in the way.
NO voltage through the fuel relay. There is positive voltage however the ground is not continuous with the body ground. WORSE! ALL the grounds on the ECU plug and in the fuel relay have no continuity with the body ground. ALL of these grounds converge into one large ground wire the grounds directly to the negative battery terminal. SO there has to be some crack or disruption in this big ground so that all the ECU grounds don't get there much needed ground! Until this gets fixed all of the fuel injection electronics won't work and the car won't start....
Need to find this break....
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