Circuit Description The cruise resume/accel switch is an input to the fuel control portion of the PCM. These inputs allow the PCM to control and…

Refer to PCM, VSS Buffer, VSS, EBCM. Circuit Description The speed sensor circuit consists of a magnetic induction type sensor, a vehicle speed sensor buffer…

Refer to Emission Hose Routing Diagram Circuit Description A EGR control pressure/baro sensor is used to monitor the amount of vacuum in the EGR circuit.…

Refer to Emission Hose Routing Diagram Circuit Description An EGR control pressure/baro sensor is used to monitor the amount of vacuum in the EGR circuit.…

Circuit Description The PCM operates a solenoid to control the EGR valve. This solenoid is normally open. By providing a ground path the PCM energizes…

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 PCM operates a PWM solenoid to control the EGR valve. This solenoid is normally open. By providing a ground path the PCM…

Refer to Emission Hose Routing Diagram Circuit Description The PCM operates a PWM solenoid to control the EGR valve. This solenoid is normally open. By…

Refer to PCM, Glow Plugs, Underhood Fuse-Relay Center Circuit Description The glow plug system is used to assist in providing the heat required to begin…

Circuit Description. The optical sensor provides a high resolution signal to the PCM by counting pulses on the sensor disk located in the injection pump.…