Mitsubishi Montero Sport (2004+). Manual - part 494

COMPASS AND TEMPERATURE DISPLAY DIAGNOSIS

TSB Revision

INTERIOR

52A-21

SYMPTOM PROCEDURES

INSPECTIN PROCEDURE 1: There is no Display.

Outside Temperature Meter and Electronic Compass Circuit

AC003245

CONNECTOR: A-22

AC

A-22 (BR)

AC003246AB

CONNECTORS: C-01, C-41

C-01

C-41

COMPASS AND TEMPERATURE DISPLAY DIAGNOSIS

TSB Revision

INTERIOR

52A-22

.

CIRCUIT OPERATION
The power is constantly supplied to the inside rear 
view mirror (with compass and temperature display).

.

TECHNICAL DESCRIPTION (COMMENT)
The inside rear view mirror (with compass and tem-
perature display), harness, or connector may be 
defective.

.

TROUBLESHOOTING HINTS

• Malfunction of the inside rear view mirror (with 

compass and temperature display)

• Damaged harness or connector

AC003227

CONNECTOR: D-06

JUNCTION BLOCK
(FRONT )

AF

D-06

AC003248AB

CONNECTOR: E-59

E-59

AC003226AD

CONNECTOR: A-54X

RELAY BOX IN ENGINE COMPARTMENT

A-54X

AC003247

CONNECTOR: C-72

AC

C-72 (B)

AC003228AF

CONNECTOR: D-08

JUNCTION BLOCK
(REAR)

D-08

COMPASS AND TEMPERATURE DISPLAY DIAGNOSIS

TSB Revision

INTERIOR

52A-23

DIAGNOSIS

STEP 1. Measure the voltage at inside rear view mirror 
(with compass and temperature display) power supply 
circuit.

(1) Remove the inside rear view mirror (with compass and 

temperature display) 

P.52A-43

. 

(2) Disconnect the connector.
(3) Chick at inside rear view mirror (with compass and 

temperature display) harness side connector (front side) 
E-59.

(4) Measure the voltage between terminal number 1 and body 

ground.

• Voltage should be 9 volts or more

Q: Does the measured voltage correspond with this range?

YES : Go to Step 4.
NO :  Go to Step 2.

STEP 2. Check harness connector E-59 at the inside rear 
view mirror (with compass and temperature display) 
connector for damage.

Q: Is harness connector E-59 is good condition?

YES : Go to Step 3.
NO :  Repair or replace it. Then go to Step 6.

AC201078

4

5

3

1

6

7

2

CONNECTOR: E-59

COMPONENT 
SIDE

AB

E-59

AC003249

HARNESS SIDE
CONNECTOR
(FRONT SIDE) E-59

AB

AC201078

4

5

3

1

6

7

2

CONNECTOR: E-59

COMPONENT 
SIDE

AB

E-59

COMPASS AND TEMPERATURE DISPLAY DIAGNOSIS

TSB Revision

INTERIOR

52A-24

STEP 3. Check the harness wires between the inside rear 
view mirror (with compass and temperature display) 
connector E-59 (terminal No.1) and ignition switch (ACC).

AC201078

4

5

3

1

6

7

2

CONNECTOR: E-59

COMPONENT 
SIDE

AB

E-59