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Reply To: 2010 Titan 5.6 Crank No Start

#957494
Nightflyr *
Richard Kirshy
Participant

The ignition relay maybe functional but that doesn’t always translate to the ECU having power(s) and ground(s)
which is why:
checking the fuses that power the ECU
check powers and ground at the ECU connector(s)
test the 5V ref voltage output from the ECU and to all the sensors

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