mlps
- Thread starter anlo
- Start date
fasterthanyou
Registered User
what is an mlps?
the manual lever position sensor for the 94-95 automatics
it lets the ecu know position the shift lever is in
3 possible results of a failed mlps:
no neutral start circuit
no rpm drop on gear engagement (which could cause engine stall)
loss of reverse lights
any of those 3 could possibly be a faulty mlps, the older mlps prior to 98 are analog where as the newer mlps are digital, meaning they have many little switches inside. If you want to use a newer mlps on the supercoupe ecu, you'll need to wire all the switches in parallel and run a resistor to each switch to simulate the voltage range that each switch would normally be representing if it was an analog mlps.
the older mlps are known to have a bad seal causing moisture to get in them and wreak havoc
actual vref at trans connector is typically 4.9v despite regulated 5v
park 4.13-4.85
rev-3.305-4.13
neu-2.51-3.305
drv-1.745-2.51
sec-1.01-1.745
1st-0.3-1.01
you'll need to figure out different resistor values to target somewhere in the middle of those ranges
it lets the ecu know position the shift lever is in
3 possible results of a failed mlps:
no neutral start circuit
no rpm drop on gear engagement (which could cause engine stall)
loss of reverse lights
any of those 3 could possibly be a faulty mlps, the older mlps prior to 98 are analog where as the newer mlps are digital, meaning they have many little switches inside. If you want to use a newer mlps on the supercoupe ecu, you'll need to wire all the switches in parallel and run a resistor to each switch to simulate the voltage range that each switch would normally be representing if it was an analog mlps.
the older mlps are known to have a bad seal causing moisture to get in them and wreak havoc
actual vref at trans connector is typically 4.9v despite regulated 5v
park 4.13-4.85
rev-3.305-4.13
neu-2.51-3.305
drv-1.745-2.51
sec-1.01-1.745
1st-0.3-1.01
you'll need to figure out different resistor values to target somewhere in the middle of those ranges
Manual Lever Position Sensor - tells the ECM what gear you have the auto tranny in.
A great acronym link for these cars can be had at the "evil sister" forum, http://forums.tccoa.com/showthread.php?t=124074 (you know, where those of us with those reprobate and scum level V8s hang out ...
)RwP