DR-7A Fault Code 24 Throttle Position Sensor
1. Connect diagnostic read-out tool to engine, then disconnect throttle position sensor electrical connector.
2. Enter system into sensor test mode 05. Display reading must be divided by 10 to determine actual reading.
3. If display indicates 5 volts, proceed to step B. DR-7B TPS Circuit to Logic Module
4. If display indicates no voltage, replace logic module. Prior to replacing logic module, ensure wiring for terminal No. 21 of logic module black electrical connector is not shorted to ground.