System Description For Warning Lamps

With the ignition switch in the ON or START position, power is supplied:
- through 10 A fuse (No.[11], located in the fuse block [J/B])
- to combination meter terminal (29) and
- to 4WD switch terminal (1) (with M/T) or
- to transfer neutral position switch terminal (1) (with A/T).
Ground is supplied:
- through body grounds (M14) and (M68)
- to combination meter terminals (26) and (33).
Ground is supplied:
- through body grounds (M14) and (M68)
- to fuel tank gauge unit terminal (4) and
- to seat belt buckle switch terminal (2) and
- to ATP relay terminals (2) and (4).
Ground is supplied:
- through body grounds (E12) and (E54)
- to brake fluid level switch terminal (2) and
- to washer fluid level switch terminal (-) (for Canada).

AIR BAG WARNING LAMP
During prove out or when an air bag malfunction occurs, the ground path is interrupted:
- from the air bag diagnosis sensor unit terminal (15)
- to combination meter terminal (5).
Ground is supplied:
- through combination meter terminal (26).
With power and ground supplied, the air bag warning lamp (LEDs) illuminate.
For further information.

LOW FUEL LEVEL WARNING LAMP
The amount of fuel in the fuel tank is determined by the fuel level sensor in the fuel tank. A signal is sent from fuel tank gauge unit terminal (3) to combination meter terminal (1). The fuel level sensor will illuminate the low fuel level warning lamp when the fuel level is low.
With power and ground supplied, the low fuel level warning lamp illuminates.

ABS WARNING LAMP
During prove out or when an ABS malfunction occurs, ground is supplied:
- from ABS actuator and electric unit (control unit) terminal (21)
- to combination meter terminal (36).
With power and ground supplied, the ABS warning lamp illuminates.
For further information.

CRUISE INDICATOR LAMP
When cruise control is activated, power is supplied:
- from ASCD control unit terminal (13)
- to combination meter terminal (30).
Ground is supplied:
- to combination meter terminal (33)
- through body grounds (M14) and (M68).
With power and ground supplied, the cruise indicator lamp illuminates.

LOW OIL PRESSURE WARNING LAMP
Low oil pressure causes oil pressure switch terminal (1) to provide ground to combination meter terminal (28). With power and ground supplied, the low oil pressure warning lamp illuminates.

CHARGE WARNING LAMP
During prove out or when a generator malfunction occurs, ground is supplied:
- from generator terminal (3)
- to combination meter terminals (27) and (19).
With power and ground supplied, the charge warning lamp and brake lamp illuminate.

BRAKE WARNING LAMP
When the parking brake is applied, or the brake fluid level is low, ground is supplied:
- from parking brake switch terminal (1) or
- brake fluid level switch terminal (1)
- to combination meter terminal (11).
With power and ground supplied, the brake warning lamp illuminates.

A/T OIL TEMPERATURE WARNING LAMP
High A/T oil temperature causes A/T fluid temperature switch terminal (8) to provide ground to combination meter terminal (20) .
With power and ground supplied, the A/T oil temperature warning lamp illuminates.

SEAT BELT WARNING LAMP
When the driver's seat belt is unfastened, ground is supplied:
- from seat belt buckle switch terminal (1)
- to combination meter terminal (12).
With power and ground supplied, the seat belt warning lamp illuminates.

WASHER WARNING LAMP
When the washer fluid level is low, ground is supplied:
- from washer fluid level switch terminal (+)
- to combination meter terminal (13).
With power and ground supplied, the washer warning lamp illuminates.

MALFUNCTION INDICATOR LAMP
During prove out or when an engine control malfunction occurs, ground is supplied:
- from ECM terminal (18)
- to combination meter terminal (15).
With power and ground supplied, the malfunction indicator lamp illuminates.
For further information.

ATP WARNING LAMP
With the ignition switch in the ON or START position, the park/neutral position (PNP) switch in the PARK position and the transfer neutral position switch in the N position, power is supplied:
- through 10 A fuse (No.[12] located in the fuse block [J/B])
- through PNP switch terminal (3)
- from PNP switch terminal (4)
- to combination meter terminal (21).
Ground is supplied:
- through body grounds (M14) and (M68)
- through ATP relay terminals (3) and (4)
- to combination meter terminal (22).
With power and ground supplied, the ATP warning lamp illuminates.

4WD INDICATOR LAMP
When the 4WD switch is in the 4H, N, or 4L position and the transfer neutral position switch is in the 2H, 4H, or 4L position, power is supplied:
- from 4WD switch terminal (1) (through transfer neutral position switch) (with A/T) or
- from transfer neutral position switch terminal (1) (through 4WD switch) (with M/T)
- to combination meter terminal (18).
Ground is supplied:
- through combination meter terminal (33).
With power and ground supplied, the 4WD indicator lamp illuminates.

O/D OFF INDICATOR LAMP
When the overdrive control switch is set to the ON position, ground is supplied:
- from transmission control module terminal (13)
- to combination meter terminal (14).
With power and ground supplied, the O/D off indicator lamp illuminates.