My 90' 240 with airbag has check engine light on. Performance seems to be normal. FAQ says:
"Note that 200 series DLs and GLs have self-diagnostic capability only for fuel and ignition control. All other systems except 1990-93 SRS require a proprietary tool. For '90 to '93 models with air bags, just jump a terminal to ground to get codes out of the system."
What does that mean "just jump a terminal to ground"? And once you do that how do you read the code? What code list do you use? Would an OBD1 scan tool work on this car?
Can anyone give me a heads-up on this? Thanks in advance.
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