Power Circuits

Turn ignition on. Check for battery voltage at PCM/ECM power terminals. See PCM/ECM POWER TERMINAL IDENTIFICATION table. If battery voltage is not present, check operation of engine control relay. See appropriate ECM CONTROL RELAY under RELAYS .

PCM/ECM POWER TERMINAL IDENTIFICATION

Application

⁽¹⁾ PCM/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)

3.5L

⁽⁵⁾

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)

2.5L

C94-1

⁽³⁾ 1 (PNK)

C94-1

⁽²⁾ 7 (ORG)

C94-1

⁽⁴⁾ 8 (PNK) & ⁽⁴⁾ 9 (PNK)

Tiburon

2.0L

⁽²⁾ 7 (RED/BLK), ⁽⁴⁾ 54 (RED/WHT) ⁽³⁾ 58 (BRN)

2.7L

C133-1

⁽²⁾ 7 (RED/BLK), ⁽⁴⁾ 8 (PNK) ⁽⁴⁾ 9 (PNK)

C133-3

⁽⁴⁾ 8 (GRN/WHT)

XG350 (3.5L)

C44-2

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

⁽¹⁾	See Fig 1-Fig 9 .

⁽²⁾	Memory power.

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

⁽⁴⁾	Battery voltage from ECM control relay.

⁽⁵⁾	For information on Santa Fe with 3.5L, refer to FUEL SYSTEM (3.5L) article.

Fig 1: Identifying PCM/ECM Harness Connector (Accent, Elantra & Tiburon 2.0L)

Courtesy of HYUNDAI MOTOR CO.

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

Courtesy of HYUNDAI MOTOR CO.

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

Courtesy of HYUNDAI MOTOR CO.

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

Courtesy of HYUNDAI MOTOR CO.

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

Courtesy of HYUNDAI MOTOR CO.

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

Courtesy of HYUNDAI MOTOR CO.

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

Courtesy of HYUNDAI MOTOR CO.

Fig 8: Identifying PCM/ECM Harness Connectors (Tiburon 2.7L)

Courtesy of HYUNDAI MOTOR CO.

Fig 9: Identifying PCM/ECM Harness Connectors (Santa Fe & XG350 3.5L)

Courtesy of HYUNDAI MOTOR CO.