Service Engine Soon
The SERVICE ENGINE SOON telltale is directly controlled by the Engine Control Module (PCM). Power for the telltale is pulled from the IPC Ignition 1 input (pin "C13," CKT 39). Refer to Powertrain Management for diagnosis.
The SERVICE ENGINE SOON telltale is directly controlled by the Engine Control Module (PCM). Power for the telltale is pulled from the IPC Ignition 1 input (pin "C13," CKT 39). Refer to Powertrain Management for diagnosis.