Mitsubishi Montero (1991+). Manual — part 183

THROTTLE POSITION SENSOR (TPS) RESISTANCE TABLE

Application (1) Terminal (Ground-Output) Ohms

Colt Vista

Closed . . . . . .. 2-1 . . .. 3500-6500

Open . . . . . .. (2) 2-3 . . 3500-6500

Eclipse 2.0L (VIN R&U)

Closed . . . . . .. 2-3 . . .. 3500-6500

Open . . . . . .. (2) 3-4 . . 3500-6500

Pickup & Ram-50 3.0L

Closed . . . . . .. 1-4 . . .. 3500-6500

Open . . . . . .. (2) 2-3 . . 3500-6500

Stealth & 3000GT

Closed . . . . . .. 4-1 . . .. 3500-6500

Open . . . . . .. (2) 4-2 . . 3500-6500

All Others

Closed . . . . . .. 1-4 . . .. 3500-6500

Open . . . . . .. (2) 2-4 . . 3500-6500

(1) - Measure across TPS terminals with connector disconnected.

(2) - Resistance should increase smoothly.

VEHICLE SPEED SENSOR CONTINUITY TEST TABLE ( 1)

Application (2) Continuity

All Models . . . 4 Changes Per Revolution

(1) - Measure continuity at back of speedometer.

See L - WIRING DIAGRAMS article in the

ENGINE PERFORMANCE Section.

(2) - With ECU connector disconnected. Turn speedometer

cable to cycle reed switch on and off.

VEHICLE SPEED SENSOR VOLTAGE TEST TABLE (1)

Application (2) Volts

All Models

Ignition switch OFF . . . . 1 Or Less

Ignition switch ON . . . . ... 4.5-4.9

(1) - Measure voltage at back of speedometer. See

L - WIRING DIAGRAMS article in the ENGINE

PERFORMANCE Section.

(2) - With ECU connector disconnected. Turn speedometer

cable to cycle reed switch on and off.

SERVICE INDICATOR & WARNING LIGHTS

1991 Mitsubishi Montero

1983-92 MAINTENANCE

Mitsubishi Service Indicator & Warning Lights

Montero

SERVICE INDICATOR & WARNING LIGHTS

Fig. 1: 1983-88 Dash Gauges & Warning Lights

Courtesy of Mitsubishi Motor Sales of America, Inc.

Fig. 2: 1989-92 Dash Gauges & Warning Lights

Courtesy of Mitsubishi Motor Sales of America, Inc.

OIL PRESSURE WARNING LIGHT

Light comes on with the ignition switch in the "ON" position

as a bulb check, but should go out shortly after engine is started. If

light remains on or comes on while driving, it indicates low oil

pressure and possible system malfunction. Have the system checked and

serviced immediately. Do not operate vehicle until cause is located

and corrected.

ALTERNATOR WARNING LIGHT

Light comes on with the ignition switch in the "ON" position

as a bulb check and goes out after engine is started. If light remains

on or comes on while driving, it indicates possible fault in the

electrical charging system. The alternator belt may be loose or

broken. Have the system checked and serviced promptly. Do not drive

vehicle if alternator belt is loose or broken.

"BRAKE" WARNING LIGHT

Light comes on with the ignition switch in the "ON" position

as a bulb check and goes out after engine is started. Light will also

come on with the parking brake fully or partially engaged. If light

remains on or comes on at any other time, it indicates low brake fluid

level in the master cylinder reservoir or the parking brake switch may

be damaged. Have the system checked and serviced immediately if brake

fluid level is low. Do not continue driving if further trouble is

experienced.

"CHECK ENGINE" WARNING LIGHT (IF EQUIPPED)

Light is designed to come on briefly with the ignition switch

in the "ON" position as a bulb check. If light remains on or comes on

while driving, it indicates fault in an exhaust gas related component

and the system is not functioning properly. Have the system checked

and serviced as soon as possible.

"MAINTENANCE REQUIRED" WARNING LIGHT (IF EQUIPPED)

Light comes on at 50,000 miles, 80,000 miles, 100,000 miles

and 120,000 miles (150,000 miles on 1990-91 models) as a service

reminder that it is time for the periodic maintenance of the emission

control system. Have the system inspected and serviced as necessary

when light comes on. Continued operation of vehicle without having

system serviced after warning light comes on may adversely affect

proper performance of the emission control system. Reset warning

light, after the system has been checked, by pushing the reset switch

in front of the combination meter. Remove the warning light bulb after

the last maintenance service at 120,000 miles (150,000 miles on 1990-

91 models).

"A/T TEMPERATURE" WARNING LIGHT (IF EQUIPPED)

Light comes on when the automatic transmission fluid

temperature becomes abnormally high. If light comes on, reduce engine

speed, stop car and put it in "P" (Park) position. Leave engine

running until light goes out. Normal vehicle operation may be resumed

after light has gone out. If light does not go out, have the system

checked and serviced as necessary.

WHEEL LOCK INDICATOR LIGHT (IF EQUIPPED)

Light comes on when automatic free-wheeling hubs are locked.

If ignition is turned off, indicator light will not come on when