Code 21: Ignition Signal Circuit

Fig 1: Code 21: Ignition Signal Ckt. ECU Connector

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Fig 2: Code 21: Ignition Signal Ckt. Circuit Diagram

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Fig 3: Code 21: Ignition Signal Ckt. Harness Location (1 of 2)

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Fig 4: Code 21: Ignition Signal Ckt. Harness Location (2 of 2)

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Fig 5: Code 21: Ignition Signal Ckt. Flow Chart

Courtesy of NISSAN MOTOR CO., U.S.A.