Test G: Engine Oil Temperature Gauge Inoperative
- If IPC diagnostic system check was performed, go to next step. If IPC diagnostic system check was not performed, go to INSTRUMENT PANEL CLUSTER DIAGNOSTIC SYSTEM CHECK
under SELF-DIAGNOSTIC SYSTEM. After performing IPC diagnostic system check, go to next step.
- Using scan tool, select IPC data list and monitor OIL TEMP parameter. If correct oil temperature is displayed, go to next step. If correct oil temperature is not displayed, go to step 4
.
- Compare scan tool IPC data parameters for engine oil temperature and Driver's Information Center (DIC) oil temperature display. If readings are within 10°F (-12°C), system is operating okay at this time. If readings are not within 10°F (-12°C), go to step 5
.
- Replace oil temperature sensor. Oil temperature sensor is located above oil filer. See Fig 1
. After repairs, go to step 6
.
- Replace IPC. See INSTRUMENT PANEL CLUSTER
under REMOVAL & INSTALLATION. After repairs, go to next step.
- Recheck system operation to verify the repair. If system operates properly, repair is complete. If system does not operate properly, go to step 2
.
Courtesy of GENERAL MOTORS CORP.