EFI Relay: Inspection

INSPECT EFI ECU RELAY

Check the resistance.
1. Using an ohmmeter, measure the resistance between the terminals.

Resistance

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Specified Condition
3 - 5	10 kΩ or higher
3 - 5	Below 1 Ω (Apply battery voltage to terminal 1 and 2)

If the result is not as specified, replace the EFI ECU relay.

Fig 1: Inspecting EFI ECU Relay

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.