Test 70B - Open Oil Pressure Switch Sense Circuit
NOTE:
For connector terminal identification, see CONNECTOR IDENTIFICATION
. For wiring diagrams, see appropriate article in ENGINE PERFORMANCE:
- WIRING DIAGRAMS - 3.3L
- WIRING DIAGRAMS - 3.5L
- Perform TEST VER-1 after each repair.CAUTION: Always turn ignition off prior to disconnecting any module connector.
- Disconnect oil pressure switch connector, located next to oil filer. Connect jumper wire between oil pressure switch connector terminal No. 2 (Gray wire) and chassis ground. If oil pressure warning lamp illuminates, replace oil pressure switch. If oil pressure warning lamp does not illuminate, go to next step.
- Leave jumper wire connected to oil pressure switch connector terminal No. 2 (Gray wire). Disconnect instrument cluster Gray connector. Using scan tool in ohmmeter mode, check resistance of instrument cluster Gray connector terminal No. 5 (Gray wire). If resistance is more than 5 ohms, repair open Gray wire. If resistance is less than 5 ohms, go to next step.
- Remove and inspect oil pressure warning lamp. Replace lamp if necessary. If lamp is okay, repair or replace instrument cluster as necessary. See appropriate INSTRUMENT PANELS article in ACCESSORIES & EQUIPMENT.