Mitsubishi Montero Sport (2004+). Manual — part 526

COMBINATION METER ASSEMBLY AND VEHICLE SPEED SENSOR

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CHASSIS ELECTRICAL

54-91

STEP 19. Check vehicle speed sensor connector B-09 for
loose, corroded or damaged terminals, or terminals
pushed back in the connector.

Q: Is vehicle speed connector B-09 in good condition?

YES : Go to Step 20.
NO : Repair or replace it. Refer to GROUP 00E, Harness

Connector Inspection

P.00E-2

. The speedometer

should work normally.

STEP 20. Check the harness wire between vehicle speed
sensor connector B-09 (terminal No.2) and ground.

Q: Is the harness wire between vehicle speed sensor

connector B-09 (terminal No.2) and ground in good
condition?
YES : There is no action to be taken.
NO : Repair it. The speedometer should work normally.

AC003458 AC

CONNECTOR: B-09
<RWD>

B-09 (B)

1

2

3

B-09: HARNESS
SIDE CONNECTOR

AC201841

3 2 1

CONNECTOR: B-09

AB

B-09: HARNESS
SIDE CONNECTOR

<4WD>

B-09 (B)

AC003458 AC

CONNECTOR: B-09
<RWD>

B-09 (B)

1

2

3

B-09: HARNESS
SIDE CONNECTOR

AC201841

3 2 1

CONNECTOR: B-09

AB

B-09: HARNESS
SIDE CONNECTOR

<4WD>

B-09 (B)

COMBINATION METER ASSEMBLY AND VEHICLE SPEED SENSOR

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CHASSIS ELECTRICAL

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STEP 21. Check the vehicle speed sensor input signal
circuit at the vehicle speed sensor connector B-09.

(1) Disconnect vehicle speed sensor connector B-09.
(2) Turn the ignition switch to the "ON" position.

(3) Measure the voltage between terminal 3 and ground.

• The measured value should be approximately 9 volts.

Q: Does the measured voltage correspond with this range?

More than approximately 9 volts : Replace the vehicle

speed sensor. The speedometer should work
normally.

Approximately nine volts : Go to Step 22.

STEP 22. Recheck for malfunction.
Q: Is a malfunction eliminated?

YES : The procedure is complete. If no malfunctions are

found in all steps, an intermittent malfunction is
suspected (Refer to GROUP 00, How to Use
Troubleshooting/Inspection Service Points

− How to

Cope with Intermittent Malfunction

P.00-7

).

NO : Replace the speedometer.

AC003458 AC

CONNECTOR: B-09
<RWD>

B-09 (B)

1

2

3

B-09: HARNESS
SIDE CONNECTOR

AC201841

3 2 1

CONNECTOR: B-09

AB

B-09: HARNESS
SIDE CONNECTOR

<4WD>

B-09 (B)

ACX01759AE

B-09
HARNESS CONNECTOR:
COMPONENT SIDE

COMBINATION METER ASSEMBLY AND VEHICLE SPEED SENSOR

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CHASSIS ELECTRICAL

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INSPECTION PROCEDURE 2: Tachometer does not Work.

JUNCTION
BLOCK

IGNITION
SWITCH (IG1)

IGNITION
POWER
TRANSISTOR

IGNITION
SWITCH (IG1)

IGNITION
COIL (1)

SPARK
PLUGS

SPARK
PLUGS

SPARK
PLUGS

IGNITION
COIL (2)

IGNITION
COIL (3)

COMBINATION METER

TACHO

JOINT
CONNECTOR (4)

POWERTRAIN
CONTROL
MODULE
(PCM)

Tachometer Circuit

COMBINATION METER ASSEMBLY AND VEHICLE SPEED SENSOR

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CHASSIS ELECTRICAL

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.

CIRCUIT OPERATION

• The tachometer power is supplied from the igni-

tion switch (IG1) circuit.

• The tachometer detects the ignition signal by the

ignition power transistor.

.

TECHNICAL DESCRIPTION (COMMENT)
The ignition signal may not be sent from the engine,
or there may be a malfunction in the power supply or
ground circuit.

.

TROUBLESHOOTING HINTS

• Malfunction of the combination meter (printed cir-

cuit board or tachometer)

• Damaged harness wires or connectors

.

AC004162

AC

CONNECTOR: A-05

A-05

AC003465

CONNECTORS: C-04, C-05

AB

C-04

C-05

AC003464 AC

CONNECTOR: C-16

C-16

AC003466 AC

CONNECTOR: C-71

C-71

AC003461AB

CONNECTOR: D-06

JUNCTION BLOCK (FRONT)

AC003457AE

CONNECTOR: D-08

JUNCTION BLOCK (REAR)

D-08