Component Inspection

EFI MAIN RELAY INSPECTION
1. REMOVE EFI MAIN RELAY



LOCATION: In the engine compartment relay box.

2. INSPECT EFI MAIN RELAY (NIPPONDENSO)
A. Inspect relay continuity



- Using an ohmmeter, check that there is continuity between terminals 1 and 2.
- If there is no continuity, replace the relay.
- Check that there is no continuity between terminals 3 and 5.
- If there is continuity, replace the relay.

B. Inspect relay operation



- Apply battery positive voltage across terminals 1 and 2.
- Using an ohmmeter, check that there is continuity between terminals 3 and 5.
- If there is no continuity, replace the relay.

3. INSPECT EFI MAIN RELAY (BOSCH)
A. Inspect relay continuity



- Using an ohmmeter, check that there is continuity between terminals 86 and 85.
- If there is no continuity, replace the relay.
- Check that there is no continuity between terminals 87 and 30.
- If there is continuity, replace the relay.

B. Inspect relay operation



- Apply battery positive voltage across terminals 86 and 85.
- Using an ohmmeter, check that there is continuity between terminals 87 and 30.
- If there is no continuity, replace the relay.

4. REINSTALL EFI MAIN RELAY