Oil Pressure Warning Lamp/Indicator: Description and Operation

System Description

With the ignition switch in the ON or START position, power is supplied
- through 7.5 A fuse (No. [4], located in the fuse block (J/B)]
- to combination meter terminal (41).

Ground is supplied
- to combination meter terminal (39) and
- A/T device (OD control switch) terminal (2)
- through body grounds (M14) and (M47).

Ground is supplied
- to fuel level sensor unit terminal (4)
- through ECM terminal (129).

Ground is supplied
- seat belt buckle switch terminal (14)
- through body grounds (B22) and (B35).

Ground is supplied
- to brake fluid level switch terminal (2) and
- washer level switch terminal (2)
- through body grounds (E22) and (E36).

LOW OIL PRESSURE WARNING LAMP
Low oil pressure causes oil pressure switch terminal (1) to provide ground to combination meter terminal (33). With power and ground supplied, the low oil pressure warning lamp illuminates.