1992 MAZDA 323 Workshop Manual Suplement

Page 193 of 279

MAZDA 323 1992  Workshop Manual Suplement Gl Troubleshooting 
Handling connectors 
Caution 
l Be sure to grasp the connectors, not the wires, when disconnecting them. 
<CPU connector> 
Improperly engaged 
connectors will cause 
poor terminal

Page 194 of 279

MAZDA 323 1992  Workshop Manual Suplement Troubleshooting 
Using electrical measuring equipment 
Equipment USe 
Test lamp Test to find open or shorted 
H circ”its. operation Handling precautions 0 Connect the test lamp l Test lamps use 12V

Page 195 of 279

MAZDA 323 1992  Workshop Manual Suplement Troubleshooting 
Measuring voltage 
lgnlgon switch 
Voltmeter 
Groind 2 - 
Ground 1 Test lamp 
or 
If Connect a voltmeter or test lamp to the measuring points. 
‘6 : Test lamp ON 
x : Test lamp OFF

Page 196 of 279

MAZDA 323 1992  Workshop Manual Suplement Troubleshooting GI 
Measuring continuity/resistance 
Touch the ohmmeter probes to the switch terminals to check 
Verify the operating state of the switch before checking 
continuity because readings v

Page 197 of 279

MAZDA 323 1992  Workshop Manual Suplement GI Troubleshooting 
FindIng short circuits 
Shorts occur between the power (positive) and ground (negative) sides of a circuit. 
Therefore, finding a short circuit requires determining how the circuit

Page 198 of 279

MAZDA 323 1992  Workshop Manual Suplement This page left intentionally blank

Page 199 of 279

MAZDA 323 1992  Workshop Manual Suplement 18 Y 
l GROUND POINTS 
WIRING ORDER INTO JOINT CONNECTOR MAY BE CHANGED 
Jc-0 1 JOINT CONNECTOR F) JC-02 JOINT CONNECTOR (F) 
JC-03 JOINT CONNECTOR (F) 
m 6-l ” 
6-n e-a 
B B B B B 0 B B B B 
B 
0 B

Page 200 of 279

MAZDA 323 1992  Workshop Manual Suplement HARNESS SYMBOL : B 
F) m (E) m (0 m 03 +++ PW E (IN) E (W 
*** (EM) E (INJ) 
19