Quote:
Originally Posted by Rick76
The CIS-E control unit has diagnostics built into it.
For your year and model:
Ignition on, engine off - 70% = Federal version control unit, 85% = California version control unit.
Engine at idle - oscillating reading indicates no malfunctions in system, otherwise -
0% = CIS-E control unit receives no voltage or is defective.
10% = idle speed contact
20% = full load contact
30% = coolant temperature sensor
40% = Air flow sensor position indicator
50% = O2 sensor
60% = not used
70% = TD signal
80% = altitude correction capsule
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are these numbers compatable with 87/88 420sel??
also looking at the ICV it appears to be nothing more than a 12v open/close solenoid valve. is this correct???
tks
much
craig
__________________
Thanks Much!
Craig
1972 350sl Red/Blk 117k
1988 420sel charcoal/Blk 140k
1987 420sel gold/tan 128k
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