Power Circuits

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

ECM GROUND TERMINAL IDENTIFICATION

Application

⁽¹⁾ ECM Connector Terminals No. (Wire Color)

Accent, Elantra & Tiburon

6 (BLK), 28 (BLK), 34 (BLK) & 55 (BLK)

Sonata (2.4L)

C44-2 (A/T)

5 (BLK) & 16 (BLK)

C45-1 (M/T)

1 (BLK) & 14 (BLK)

C45-4 (M/T)

13 (BLK)

Sonata (2.5L)

C94-1

4 (BLK), 5 (BLK) & 6 (BLK)

C94-5

5 (BLK)

⁽¹⁾	See Fig 1-Fig 4 .

ECM POWER TERMINAL IDENTIFICATION

Application

⁽¹⁾ ECM Connector Terminals No. (Wire Color)

Accent, Elantra & Tiburon

⁽²⁾ 26 (GRN/WHT) & ⁽³⁾ 54 (WHT)

Sonata

2.4l

C44-2 (A/T)

⁽³⁾ 6 (PNK) & 17 (PNK)

C44-2 (A/T)

⁽²⁾ 2 (ORG)

C45-1 (M/T)

⁽³⁾ 2 (PNK) & 15 (PNK)

C45-4 (M/T)

⁽²⁾ 2 (ORG)

2.5L

C94-1

⁽⁴⁾ 1 (PNK)

C94-1

⁽²⁾ 7 (ORG)

C94-1

⁽³⁾ 8 (PNK) & 9 (PNK)

⁽¹⁾	See Fig 1-Fig 4 .

⁽²⁾	Memory power.

⁽³⁾	Battery voltage from ECM control relay.

⁽⁴⁾	Power from ignition in START or ON position.

Fig 1: Identifying ECM Harness Connector (Accent, Elantra & Tiburon)

Courtesy of HYUNDAI MOTOR CO.

Fig 2: Identifying ECM Harness Connectors (Sonata 2.4L A/T)

Courtesy of HYUNDAI MOTOR CO.

Fig 3: Identifying ECM Harness Connectors (Sonata 2.4L M/T)

Courtesy of HYUNDAI MOTOR CO.

Fig 4: Identifying ECM Harness Connectors (Sonata 2.5L)

Courtesy of HYUNDAI MOTOR CO.