Electric Pump Relay Check

WARNING: This page is about a different car, the 2008 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.

Using a jumper wire, connect the positive battery terminal (+) to the electric pump relay terminal No. 3, and the negative battery terminal (-) to the terminal No. 1.

Fig 1: Identifying Electric Pump Relay
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Check for continuity between the electric pump relay terminals No. 2 and No. 4.

Fig 2: Checking Continuity Between Electric Pump Relay Terminals No. 2 And No. 4

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

CONTINUITY SPECIFICATION

Jumper wire	Continuity between terminals No. 2 and No. 4
Connect	Yes (2 Ω or less)
Disconnect	No

If defective, replace the electric pump relay.