Mazda 323 1988 Workshop Manual page 345

CONTROL SYSTEM
4B
2
1 33
4
?
Fp: To fuel pump
MAIN FUSE
Inspection
Check the continuity of EGI main fuse.
MAIN RELAY
Inspection
1. Turn ignition switch ON and OFF, verify that the
main relay "CLICKS"
2. If clicking is not heard at main relay, check the con-
tinuity at terminals using an ohmmeter, and wiring
harness.
Continuity
1. Apply 12V to @I and a ground @ terminals of the
main relay.
2. Check continuity at terminals using an ohmmeter.
12V Not applied IZV Applied
NO Yes
NO
Yi?S
3. If not correct, replace it.
CIRCUIT OPENING RELAY
Inspection
Terminal voltage
1, Check voltage between each terminal and ground
using a voltmeter.
2. If not correct, check the resistance using the
ohmmeter.
323
Revised 10187
48-73