5KCSTQ oil warning light?

[quk@sievers.com (Phil Payne)]

In message <863541116.0926459.0@vnet.ibm.com> Steinbru@VNET.IBM.COM writes:

> Can you estimate the date, I have a better offline search than the online,
> but all the files are not organized yet...  --Gary

Found the damn thing.  It's for the MB ur-quattro - anyone care to suggest 
relevance to the 5000, etc.?


 
>From "Reparaturleitfaden Audi quattro, Ausgabe 10/87, D 000.5147.00.00"

Procedure for checking oil warning light - MB engine
====================================================

Prerequisites:
 
a) Engine correctly filled with oil.
 
b) Oil warning light must be on when ignition switched on and engine stopped.
 
c) Oil temperature must be at least 80c.

d) Rev counter must be functioning normally
 
Hints:
 
If the oil warning light does not come on check the oil pressure sender 
(G10) and the controller (J114, control number 234).
 
Only contact "G" on the oil pressure sender is used.
 
Remove the connector from the oil pressure sender G10.
 
Connect VAG 1526 [an ohmmeter, I presume] to contact G on G10 via an extension 
cable and to chassis ground.

Switch VAG 1526 to the 200 ohm range.
 
With the engine off, the reading should be 5 to 10 ohms.
 
With the engine idling, the reading should be 70 to 120 ohms.
 
With the engine at 3000rpm, the reading should be 170 to 200 ohms.
 
Attach the ohmmeter between contact WK on G10 and chassis ground.
 
With the engine idling, the resistance should be zero to 0.5 ohm.
 
With the engine off, the resistance should be infinite.
 
If any of the preceding tests fail, replace G10.
 

Procedure for checking oil warning lamp control unit - MB engine
================================================================ 

Pull the control unit out of its position (6) on the additional relay carrier.

Connect the VAG 1527 diode check light to contacts 4 and 5 of the socket.
 
Switch on the ignition.  The diode must light up.  If not, check for a circuit 
fault using the circuit diagram.
 
Connect the diode check light between contacts 5 and 8 of the socket.

Turn the engine over with the starter motor.  The diode check light must blink 
during the start procedure, and glow steadily with the motor running.  If not, 
check for a circuit fault using the circuit diagram.
 
Connect the diode check light between contacts 2 and 4 of the socket.
 
Switch the ignition on.  The diode must light up.  If not, check the oil 
pressure sender and/or the circuit for faults.
 
Pull the connector G off the oil pressure sender G10.  The diode must not light 
up.  If it does, check for a short circuit using the wirong diagram.
 
Connect contact 6 of the socket to chassis ground using a piece of wire.  The 
oil warning light must light up.  If not, check for a circuit fault using the 
wiring diagram.
 
If all tests are completed successfully, replace the J114 control unit.



--
 Phil Payne
 phil@sievers.com
 Committee Member, UK Audi [ur-]quattro Owners Club