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

Operational Inspection
1. Listen for main relay operation sound while turning ignition switch to ON and OFF.
2. If no sound was heard, inspect following:
- Main relay
- Harness and connector between ignition switch and main relay




Continuity Inspection
1. Remove the main relay.
2. Apply battery positive voltage and check continuity between terminals of the relay by using ohmmeter.
3. If not as specified, replace the main relay.