Main Relay (Computer/Fuel System): Testing and Inspection

INSPECTION





E.F.I. CIRCUIT OPENING RELAY ASSY
E.F.I ECU RELAY
AIR FUEL RATIO SENSOR HEATER RELAY
a. Continuity inspection.
1. Using an ohmmeter, check that continuity exists between each terminal.
Specified condition:
Between terminal 1 and 2 Continuity
Between terminal 3 and 5 No continuity

2. Using an ohmmeter, check that continuity exists between terminals 3 and 5 when the battery voltage is applied across terminals 1 and 2.