9000 L4-1985cc 2.0L DOHC (1986)
Main Relay (Computer/Fuel System): Testing and Inspection
Checking the Main Relay
Tools:
- Breakout Box 86 11 006
- Test cables 8611352
1 Unplug the LH control module and mass air flow sensor connectors. Connect Breakout Box 8611 006.
2 Ground pin 21.
3 Check that battery voltage is present at:
- Control module connector pin 9
- Mass air flow sensor
pin 2
(-M1987 fuel injection engine, - M1988 turbo engine)
pin 5
(M1988- fuel injection engine, M1989- turbo engine)
If voltage is present at these points the main relay and appurtenant leads are OK.
If it is not, continue checking as described below.
4 Remove the glove box and withdraw the relay panel.