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INSTALL a new auxiliary coolant pump. Water Pump CLEAR the DTC. TEST the system for normal operation. PINPOINT TEST G531332p40 : FUEL G531332t175 : CHECK THE FRP SENSOR SUPPLY CIRCUIT VOLTAGE 1. Key off. 2. Disconnect the FRP sensor electrical connector, PI28. 3. Key on, engine off. 4. Measure the voltage between: FRP sensor connector PI28, harness side Battery
Pin 01
Negative terminal
Is the voltage less than 4 volts? -> Yes REPAIR the 5 volt supply circuit between the FRP sensor and the ECM. For additional information, refer to the wiring diagrams. CLEAR the DTC and test the system for normal operation.
-> No GO to Pinpoint Test G531332t177.
G531332t177 : CHECK THE FRP SENSOR SIGNAL CIRCUIT FOR SHORT 1. Key off. 2. Measure the resistance between: FRP sensor connector PI28, harness side Battery
Pin 03
Negative terminal
Is the resistance less than 10,000 ohms? -> Yes REPAIR the short circuit. For additional information, refer to the wiring diagrams. CLEAR the DTC and test the system for normal operation.
-> No |