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 engine control relay. See appropriate ECM CONTROL RELAY under RELAYS .

ECM POWER TERMINAL IDENTIFICATION

Application

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

Accent

⁽²⁾ 12 (ORG/BLK), ⁽³⁾ 13 (ORG), ⁽⁴⁾ 44 (PNK/BLK), ⁽⁴⁾ 45 (PNK/BLK) & ⁽⁴⁾ 63 (PNK/BLK)

Elantra

⁽²⁾ 3 (BLU/BLK), ⁽⁴⁾ 14 (WHT), ⁽⁴⁾ 21 (WHT) & ⁽³⁾ 22 (RED)

Santa Fe

(2.4L)

C21-2 (A/T)

⁽⁴⁾ 7 (BLU) & ⁽²⁾ 26 (GRN/ORG)

C21-3 (A/T)

⁽³⁾ 28 (RED)

C22-1 (M/T)

⁽⁴⁾ 25 (BLU)

C22-4 (M/T)

⁽²⁾ 10 (PNK) & ⁽³⁾ 12 (RED)

(2.7L)

C23-1

⁽³⁾ 1 (RED), ⁽²⁾ 7 (YEL/ORG), ⁽⁴⁾ 8 (YEL) & ⁽⁴⁾ 9 (RED)

Sonata

2.4L

C44-2 (A/T)

⁽⁴⁾ 1 (PNK) & ⁽⁴⁾ 7 (PNK)

C44-2 (A/T)

⁽²⁾ 26 (ORG)

C45-1 (M/T)

⁽⁴⁾ 12 (PNK) & ⁽⁴⁾ 25 (PNK)

C45-4 (M/T)

⁽²⁾ 10 (ORG) & ⁽³⁾ 12 (PNK)

2.7L

C94-1

⁽³⁾ 1 (PNK)

C94-1

⁽²⁾ 7 (ORG)

C94-1

⁽⁴⁾ 8 (PNK) & ⁽⁴⁾ 9 (PNK)

XG350 (3.5L)

C44-2

⁽⁴⁾ 1 (PNK), ⁽⁴⁾ 7 (PNK),⁽²⁾ 26 (ORG), ⁽³⁾ 28 (PNK)

⁽¹⁾	See Fig 1-Fig 8 .

⁽²⁾	Memory power.

⁽³⁾	Power from ignition in START or ON position.

⁽⁴⁾	Battery voltage from ECM control relay.

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

Courtesy of HYUNDAI MOTOR CO.

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

Courtesy of HYUNDAI MOTOR CO.

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

Courtesy of HYUNDAI MOTOR CO.

Fig 4: Identifying ECM Harness Connectors (Santa Fe 2.7L)

Courtesy of HYUNDAI MOTOR CO.

Fig 5: Identifying ECM Harness Connectors (Sonata 2.4L A/T)

Courtesy of HYUNDAI MOTOR CO.

Fig 6: Identifying ECM Harness Connectors (Sonata 2.4L M/T)

Courtesy of HYUNDAI MOTOR CO.

Fig 7: Identifying ECM Harness Connectors (Sonata 2.7L)

Courtesy of HYUNDAI MOTOR CO.

Fig 8: Identifying ECM Harness Connectors (XG350 3.5L)

Courtesy of HYUNDAI MOTOR CO.