Overdrive Indicator Lamp: 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).

OD OFF WARNING LAMP
When an A/T system malfunction occurs, or OD control switch is in OFF position, ground is supplied
- to combination meter terminal (37)
- from TCM (transmission control module) terminal (3).

With power and ground supplied, the OD warning lamp blinks or illuminates. For further information, refer to "TROUBLE DIAGNOSES".