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Does the throttle motor relay make an audible click? -> Yes GO to Pinpoint Test G240070t17. .
-> No GO to Pinpoint Test G240070t22. . G240070t17 : CHECK THE ECM POWER SUPPLY FROM THE THROTTLE 1. Measure the voltage between the throttle motor relay connector FH 32D pin 5 (NR) and ground. Is the voltage greater than 10 volts? -> Yes GO to Pinpoint Test G240070t18. .
-> No GO to Pinpoint Test G240070t19. . G240070t18 : CHECK CONTINUITY OF THE ECM POWER SUPPLY WIRE FROM 1. Turn the ignition switch to the OFF position. 2. Disconnect the ECM electrical connector PI 1 and remove the throttle motor relay. 3. Measure the resistance between the throttle motor relay electrical connector FH 32D pin 5 (NR) and the ECM electrical connector PI 1 pin 134 (GU). Is the resistance less than 5 ohms? -> Yes DIAGNOSE the electronic engine control system. For additional information, refer to <<303-14>>.
-> No REPAIR the ECM power supply wire from the throttle motor relay. CLEAR the DTC. TEST the system for normal operation. G240070t19 : CHECK FUSE 18 IN THE FRONT POWER DISTRIBUTION BOX 1. Check the fuse. Is the fuse OK? |