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DTC P1229: Sensor Power Supply: Wiring Diagram

For references to PG-POWER, see POWER SUPPLY, GROUND & CIRCUIT ELEMENTS

Fig 1: Wiring Diagram - (EC-SEN/PW-01)
G02443942Courtesy of NISSAN MOTOR CO., U.S.A.

Specification data are reference values and are measured between each terminal and ground.

CAUTION: Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in damage to the ECM's transistor. Use a ground other than ECM terminals, such as the ground. 
TERMINAL SPECIFICATION

TERMINAL NO. WIRE COLOR ITEM CONDITION DATA (DC Voltage)
48 SB Sensor power supply (EVAP control system pressure sensor) [Ignition switch: ON] Approximately 5 V
49 R/Y Sensor power supply (Refrigerant pressure sensor) [Ignition switch: ON] Approximately 5 V
68 W/L Sensor power supply (Power steering pressure sensor) [Ignition switch: ON] Approximately 5 V
90 L Sensor power supply (APP sensor 1) [Ignition switch: ON] Approximately 5 V