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Home >> Mazda >> 1986 >> 626 L4-1998 cc 2.0L SOHC FE >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Relays and Modules - Computers and Control Systems >> Main Relay (Computer/Fuel System) >> Testing and Inspection
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Main Relay (Computer/Fuel System): Testing and Inspection

Fig. 82 Main relay connector terminal identification.:







1. Check whether a clicking sound is heard at main relay when turning ignition switch on and off.
2. Apply 12 volts and ground to terminals A and B of main relay, Fig. 82.
3. Check continuity with ohmmeter. With no voltage applied, there should be no continuity between terminals C and D and, with 12 volts applied, there should be continuity between terminals C and D.

TERMINAL VOLTAGE
A: APPROX. 12V
B: 0V
C: APPROX. 12V
D: APPROX. 12V
RESISTANCE BETWEEN A AND B TERMINALS 70 OHMS



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