Circuit Description The engine coolant temperature (ECT) sensor is a thermistor that controls signal voltage to the PCM. When the engine is cold, the sensor…
Author: samuel
Circuit Description The engine coolant temperature (ECT) sensor is a thermistor that controls signal voltage to the PCM. When the engine is cold, the sensor…
GM/Detroit 6.5L ENGINE CONTROLS – DTC P0113 Intake Air Temperature (IAT) Sensor Circuit High Voltage
Circuit Description The intake air temperature (IAT) sensor is a thermistor that controls signal voltage to the PCM. When the air is cold, the sensor…
C ircuit Description The intake air temperature (IAT) sensor is a thermistor that controls signal voltage to the PCM. When the air is cold, the…
Circuit Description The mass air flow (MAF) sensor measures the amount of air entering the engine during a given time. The PCM uses the mass…
Circuit Description The mass air flow (MAF) sensor measures the amount of air entering the engine during a given time. The PCM uses the mass…
Refer to Fuel Pump Controls Circuit Description When the key is turned ON, the PCM energizes the fuel pump relay which sends voltage to the…
Circuit Description This chart assumes that battery condition and engine cranking speed is OK. The quantity and quality of fuel is OK and the glow…
Refer to Power, Ground, MIL and DLC. Circuit Description There should always be a malfunction indicator lamp (MIL) when the ignition is ON and the…