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G258127t113 : CHECK THE FUEL RAIL PRESSURE (FRP) SENSOR SUPPLY 1. Turn the ignition switch to the ON position. 2. Measure the voltage between PI28, pin 02 (OY) and GROUND. Is the voltage greater than 6 volts? -> Yes REPAIR the short circuit to high voltage. For additional information, refer to the wiring diagrams. CLEAR the DTC. TEST the system for normal operation.
-> No GO to Pinpoint Test G258127t114.
G258127t114 : CHECK THE FUEL RAIL PRESSURE (FRP) SENSOR SUPPLY 1. Turn the ignition switch to the OFF position. 2. Measure the resistance between PI28, pin 02 (OY) and GROUND. Is the resistance less than 10,000 ohms? -> Yes REPAIR the short circuit to GROUND. For additional information, refer to the wiring diagrams. CLEAR the DTC. TEST the system for normal operation.
-> No Check for DTCs relating to individual sensors, and/or sensor GROUND. Carry out pinpoint tests for sensors indicated. PINPOINT TEST G258127p26 : DTC G258127t115 : CHECK THE SENSOR GROUND AT THE THROTTLE POSITION 1. Disconnect the throttle sensor electrical connector, PI26. 2. Measure the resistance between PI26, pin 01 (BG) and GROUND. Is the resistance greater than 5 ohms? -> Yes GO to Pinpoint Test G258127t116. |