FUEL INJECTION (FUEL SYSTEMS)(H4DOTC) > Main Relay

INSPECTION

1. Check that the main relay has no deformation, cracks or other damages.

2. Measure the resistance between main relay terminals.

Terminal No.

Standard

1 and 2

1 MΩ or more

3 and 4

130.4 — 230.8 Ω (When 20°C (68°F))

3. Connect battery positive terminal to terminal No. 3 and battery ground terminal to terminal No. 4, and measure the resistance between the main relay terminals.

Terminal No.

Standard

1 and 2

Less than 1 Ω