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G258127t101 : CHECK THE TP SENSOR SUPPLY VOLTAGE CIRCUIT FOR 1. Turn the ignition switch to the ON position. 2. Measure the voltage between PI26, pin 04 (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 G258127t102.
G258127t102 : CHECK THE TP SENSOR SUPPLY VOLTAGE CIRCUIT FOR 1. Turn the ignition switch to the OFF position. 2. Measure the resistance between PI26, pin 04 (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 GO to Pinpoint Test G258127t103.
G258127t103 : CHECK THE SUPPLY VOLTAGE AT THE FUEL TANK PRESSURE 1. Disconnect the fuel tank pressure sensor electrical connector, FP01. 2. Reconnect the ECM electrical connector, PI01. 3. Turn the ignition switch to the ON position. 4. Measure the voltage between FO01, pin 03 (OY) and GROUND. Is the voltage less than 5 volts? -> Yes GO to Pinpoint Test G258127t104.
-> No GO to Pinpoint Test G258127t105.
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