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Power Circuits

Turn ignition on. Check for battery voltage at ECM power terminals. See POWER TERMINAL IDENTIFICATION table. If battery voltage is not present, check operation of MPI control relay. See RELAYS.

GROUND TERMINAL IDENTIFICATION

Application (1) ECM Terminal No.
Elantra, Excel (Fed.) & Sonata (2) 5 & 10
Excel (CA) (3) 11 & 14
Scoupe 19
(1) See Figure -Fig 3 .
(2) 10-pin connector.
(3) 26-pin connector.
POWER TERMINAL IDENTIFICATION

Application (1) ECM Terminal No.
Elantra (2) 12 & 15
Excel (3) 4 & 9
Scoupe 18 & (4) 42
Sonata (5) 16 & 17
(1) See Figure -Fig 4 .
(2) 18-pin connector.
(3) 26-pin connector on California models, 10-pin connector on Federal models.
(4) Manual transmission only.
(5) 10-pin connector.
Fig 1: ECM Harness Connector ID (Elantra & Sonata 4-Cylinder)
G93C80004Courtesy of HYUNDAI MOTOR CO.
Fig 2: ECM Harness Connector ID (California Excel)
G93J78278Courtesy of HYUNDAI MOTOR CO.
Fig 3: ECM Harness Connector ID (Federal Excel)
G93J78302Courtesy of HYUNDAI MOTOR CO.
Fig 4: Identifying ECM Harness Connector (Sonata V6)
G93D80005Courtesy of HYUNDAI MOTOR CO.