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DTC P1229: Sensor Power Supply: Wiring Diagram

Fig 1: Wiring Diagram - Sensor Power Supply - EC-SEN/PW-01
G02474362Courtesy 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.
TERMINALS AND REFERENCE VALUE TABLE

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