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Power Circuits

WARNING: This page is about a different car, the 2002 Hyundai XG350, 2002 Hyundai Sonata, 2002 Hyundai Santa Fe, 2002 Hyundai Elantra, and 2002 Hyundai Accent. However, it is still accessible from the selected car via links, so may be relevant.

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)
G00009435Courtesy of HYUNDAI MOTOR CO.
Fig 2: Identifying ECM Harness Connectors (Santa Fe 2.4L A/T)
G00221702Courtesy of HYUNDAI MOTOR CO.
Fig 3: Identifying ECM Harness Connectors (Santa Fe 2.4L M/T)
G00221700Courtesy of HYUNDAI MOTOR CO.
Fig 4: Identifying ECM Harness Connectors (Santa Fe 2.7L)
G00032293Courtesy of HYUNDAI MOTOR CO.
Fig 5: Identifying ECM Harness Connectors (Sonata 2.4L A/T)
G00009437Courtesy of HYUNDAI MOTOR CO.
Fig 6: Identifying ECM Harness Connectors (Sonata 2.4L M/T)
G00009438Courtesy of HYUNDAI MOTOR CO.
Fig 7: Identifying ECM Harness Connectors (Sonata 2.7L)
G00032293Courtesy of HYUNDAI MOTOR CO.
Fig 8: Identifying ECM Harness Connectors (XG350 3.5L)
G00032294Courtesy of HYUNDAI MOTOR CO.