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Mitsubishi Montero (1998+). Manual - part 210

Calibration Test

Adjust tire pressure to standard value. Using a calibrated,

reliable speedometer tester, compare reading of vehicle speedometer to

speedometer tester. See SPEEDOMETER ALLOWABLE VARIATION table. Replace

speedometer if necessary.

SPEEDOMETER ALLOWABLE VARIATION TABLE

MPH (KM/H) Allowable Variation MPH (KM/H)

20 (32) .................................... 19-22 (31-35)

40 (64) .................................... 38-44 (61-71)

60 (97) ................................... 57-66 (92-106)

80 (129) ................................. 76-88 (122-142)

100 (161) ............................... 94-110 (151-177)

NOTE: Speedometer circuit test for Montero and 3000GT is not

available from manufacturer at time of publication.

Circuit Test (Eclipse, Galant & Mirage)

1) Remove instrument cluster. See INSTRUMENT CLUSTER under

REMOVAL & INSTALLATION. Disconnect instrument cluster harness

connector. Turn ignition on. Connect voltmeter between ground and

instrument cluster harness-side connector terminal No. 36

(Yellow/White wire) on Eclipse, terminal No. 49 (Yellow/White wire) on

Galant, or terminal No. 51 (Yellow wire) on Mirage. Move vehicle

forward and backward. If voltmeter reads 4.5 volts or greater, go to

step 4). If voltage reading is not as specified, replace speedometer

assembly.

2) Connect voltmeter between ground and instrument cluster

harness-side connector terminal No. 10 (Black/White wire) on Eclipse,

terminal No. 24 (Black/White wire) on Galant, or terminal No. 42

(Black/White wire) on Mirage. Turn ignition on. Move vehicle forward

and backward. If battery voltage is present, replace speedometer

assembly. If battery voltage is not present, go to step 4).

3) On Mirage, check continuity between ground and instrument

cluster harness-side connector terminal No. 11 (Black wire). If

continuity is present, go to next step. If continuity is not present,

check circuit between ground and instrument cluster. See

WIRING DIAGRAMS. Repair as necessary.

4) Check vehicle speed sensor. See VEHICLE SPEED SENSOR under

COMPONENT TESTS. Replace as necessary. If sensor is okay, check

harness connectors to instrument cluster. Repair as necessary. If

connectors are okay, check circuit between power supply and instrument

cluster. See WIRING DIAGRAMS. Repair as necessary.

Circuit Test (Montero Sport)

1) Disconnect vehicle speed sensor harness connector. Check

vehicle speed sensor. See VEHICLE SPEED SENSOR under COMPONENT TESTS.

Replace sensor as necessary. If sensor is okay, go to next step.

2) Turn ignition on. Check voltage between ground and vehicle

speed sensor harness-side connector terminal No. 3 (Yellow/White

wire). See WIRING DIAGRAMS. If voltage reading is 4.5 volts, problem

is intermittent. If voltage reading is not 4.5 volts, go to next step.

3) Check vehicle speed sensor harness connector. Repair as

necessary. If connector is okay, check circuit between vehicle speed

sensor and instrument cluster. See WIRING DIAGRAMS. Repair as

necessary. If circuit is okay, go to next step.

4) Check voltage between ground and vehicle speed sensor

harness-side connector terminal No. 1 (Black/White wire). See

WIRING DIAGRAMS. Battery voltage should be present. If battery voltage

is present, problem is intermittent. If battery voltage is not

present, go to next step.

5) Check harness connectors to vehicle speed sensor and

ignition switch. See WIRING DIAGRAMS. Repair as necessary. If

connectors are okay, check circuit between vehicle speed sensor and

ignition switch. Repair as necessary. If circuit is okay, go to next

step.

6) Turn ignition off. Check resistance between ground and

vehicle speed sensor harness-side connector terminal No. 2 (Black

wire). See WIRING DIAGRAMS. Continuity should be present. If

continuity is present, problem is intermittent. If continuity is not

present, check circuit between sensor harness-side connector terminal

No. 2 and ground. Repair as necessary. If circuit is okay, go to next

step.

7) Remove instrument cluster. See INSTRUMENT CLUSTER under

REMOVAL & INSTALLATION. Check voltage between ground and instrument

cluster harness-side connector terminal No. 53 (Red/Black wire). See

WIRING DIAGRAMS. Battery voltage should be present. If battery voltage

is present, go to step 9). If battery voltage is not present, go to

next step.

8) Check harness connector to instrument cluster. Repair as

necessary. If connector is okay, check circuit between instrument

cluster harness connector and fusible link No. 6. See WIRING DIAGRAMS.

Repair as necessary. If circuit is okay, go to next step.

9) Check voltage between ground and instrument cluster

harness-side connector terminal No. 24 (Black/White wire). See

WIRING DIAGRAMS. Battery voltage should be present. If battery voltage

is present, problem is intermittent. If battery voltage is not

present, check harness connector. Repair as necessary.

TACHOMETER

NOTE: DO NOT reverse polarity when installing tachometer, or diode

and transistor may be damaged.

Calibration Test

Connect a calibrated, reliable tachometer to vehicle ignition

system. Operate engine at various speeds (RPM). See

TACHOMETER ALLOWABLE VARIATION table. If comparison between tach-dwell

meter and vehicle tachometer readings are not within permissible

variation, replace vehicle tachometer.

TACHOMETER ALLOWABLE VARIATION TABLE

Application &

Engine Speed (RPM) Allowable Variation (RPM)

Eclipse, Galant & 3000GT

1000 .......................................... 900-1100

3000 ......................................... 2850-3150

5000 ......................................... 4750-5250

6000 ......................................... 5700-6300

Mirage, Montero & Montero Sport

700 ............................................ 600-800

3000 ......................................... 2850-3150

5000 ......................................... 4750-5250

6000 ......................................... 5700-6300

NOTE: Circuit test for Eclipse, Galant, Montero and 3000GT is not

available from manufacturer at time of publication.

Circuit Test (Mirage)

1) Disconnect instrument cluster harness connector. Check

voltage between ground and harness-side connector terminal No. 33

(White wire). See WIRING DIAGRAMS. Voltmeter should read 5 volts. If

voltage is as specified, replace tachometer. If voltage is not as

specified, go to step 4).

2) Check continuity between ground and instrument cluster

harness-side connector terminal No. 34 (Black wire). See

WIRING DIAGRAMS. If continuity is present, replace tachometer. If

continuity is not present, go to step 5).

3) Check voltage between ground and instrument cluster

harness-side connector terminal No. 42 (Black/White wire). See

WIRING DIAGRAMS. Battery voltage should be present. If battery voltage

is present, replace tachometer. If battery voltage is not present, go

to step 6).

4) Check harness connectors to ECM, instrument cluster or

distributor assembly (1.5L). Repair as necessary. If connectors are

okay, check circuit between ECM, instrument cluster and distributor

(1.5L). See WIRING DIAGRAMS. Repair as necessary.

5) Check joint connector to instrument cluster. Repair as

necessary. If connector is okay, check circuit between instrument

cluster and ground. See WIRING DIAGRAMS. Repair as necessary.

6) Check harness and joint connectors to power supply

junction block. Repair as necessary. If connectors are okay, check

circuit between instrument cluster and power supply. See

WIRING DIAGRAMS. Repair as necessary.

Circuit Test (Montero Sport)

1) Remove instrument cluster. See INSTRUMENT CLUSTER under

REMOVAL & INSTALLATION. Disconnect instrument cluster harness

connector. Connect voltmeter between ground and instrument cluster

harness-side connector terminal No. 14 (White wire). Start and idle

engine. Voltmeter should read about 5 volts. If voltage is as

specified, problem is intermittent. If voltage is not as specified, go

to next step.

2) Check instrument cluster harness connector. Repair as

necessary. If connector is okay, go to next step on 2.4L engines or

step 7) on 3.0L engines.

3) Check noise filter harness connector (located behind

instrument cluster). Repair as necessary. If connector is okay, go to

next step.

4) Check circuit between instrument cluster harness connector

and noise filter connector. See WIRING DIAGRAMS. Repair as necessary.

If circuit is okay, go to next step.

5) Remove noise filter (located near throttle position sensor

harness). Check resistance between noise filter terminals. Resistance

should be 1760-2640 ohms. If resistance is not as specified, replace

noise filter. If resistance is as specified, go to next step.

6) Check joint connector behind right side of dash. Repair as

necessary. If connector is okay, check circuit between joint connector

and instrument cluster harness connector. See WIRING DIAGRAMS. Repair

as necessary. If circuit is okay, go to next step.

7) Check voltage between ground and instrument cluster

harness-side connector terminal No. 24 (Black/White wire). If battery

voltage is present, problem is intermittent. If battery voltage is not

present, go to next step.

8) Check harness connector to instrument cluster. Repair as

necessary. If connector is okay, check circuit between instrument

cluster and ignition switch. See WIRING DIAGRAMS. Repair as necessary.

If circuit is okay, go to next step.

9) Check circuit between ground and instrument cluster

harness-side connector terminal No. 13 (Black wire). If continuity is

present, problem is intermittent. If continuity is not present, check

harness connector to instrument cluster and to chassis ground. See

WIRING DIAGRAMS. Repair as necessary. If connectors are okay, replace

speedometer.

TEMPERATURE GAUGE

CAUTION: DO NOT connect sender wire directly to ground during test.

Circuit Test

1) Disconnect temperature sender wire from sending unit.

Connect a 12-volt, 3.4-watt test light between connector terminal and

ground. Turn ignition switch to ON position.

2) If test light flashes and temperature gauge needle moves,

go to SENSOR RESISTANCE TEST. If test light does not flash or gauge

needle does not move, repair wiring to sending unit.

Sensor Resistance Test

1) Remove Engine Coolant Temperature (ECT) sensor from

engine. See COMPONENT LOCATIONS. Place sending unit in 158

F (70

water. Check sensor resistance using ohmmeter.

2) ECT sensor resistance should be 90-117 ohms. If ECT sensor

resistance is okay, go to GAUGE RESISTANCE TEST. Replace ECT sensor if

resistance is not as specified.

Gauge Resistance Test

1) Remove instrument cluster. See INSTRUMENT CLUSTER under

REMOVAL & INSTALLATION. On 3000GT, remove air distribution duct and

combination gauges.

2) On all models, check resistance between temperature gauge

terminals at rear of cluster or combination gauges. See

TEMPERATURE GAUGE RESISTANCE SPECIFICATIONS table. See Fig. 21, 22,

23, 24, 25, 26, 27 or 28.

TEMPERATURE GAUGE RESISTANCE SPECIFICATIONS TABLE

Application (1) Terminals Ohms

Eclipse ............... "A" & "B" .............. 161-197

Eclipse ............... "A" & "C" ................ 51-57

Eclipse ............... "B" & "C" .............. 210-256

Galant ................ "B" & "C" .................. ( 2)

Mirage ................ "A" & "B" ................ 86-95

Mirage ................ "A" & "C" .............. 168-206

Mirage ................ "B" & "C" .............. 222-272

Montero ............... No. 4 & 8 .............. 103-128

Montero ............... No. 4 & 9 .............. 221-271

Montero ............... No. 8 & 9 .............. 130-160

Montero Sport ......... "A" & "B" ................... 88

Montero Sport ......... "A" & "C" .................. 103

Montero Sport ......... "B" & "C" .................. 191

3000GT ................ "A" & "B" ................... 51

3000GT ................ "A" & "C" .................. 139

3000GT ................ "B" & "C" .................. 190

(1) - See Fig. 21, 22, 23, 24, 25, 26, 27 or 28.

(2) - With positive battery voltage applied to terminal "A",

battery ground applied to terminal "C" and a 50-ohm

resistor connected between battery ground and terminal

"B", needle should be about 1/4 position on gauge.

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