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

MAIN RELAY
Operational Inspection:
1. Listen for main relay operation sound while turning the 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.

Remarks B+: Battery positive voltage