9000 L4-1985cc 2.0L DOHC (1986)
Fuel Pump Relay: Testing and Inspection
Checking the Fuel Pump Relay
Tools:
-
Multimeter
-
Breakout Box 86 11 006
-
Test cables 86 11 352
1 Unplug the LH control module and mass air flow sensor connectors. Connect Breakout Box 8611 006.
2 Ground pins 20 and 21 (pins 17 and 21 for LH 2.2).
3 Check that battery voltage is present at:
- the injectors
- Control module connector pin 9
- The mass air flow sensors
pin 2
(-M1987 fuel injection engine, -M1988 turbo engine)
pin 5
(M1988- fuel injection engine, M1989- turbo engine)
- Fuse 14
If voltage is present at these points the fuel pump relay and appurtenant leads are OK.
If it is not, continue checking as described in the following.
4 Remove the glove box and withdraw the relay panel.