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Mitsubishi Montero Sport (2004+). Manual - part 493

SEAT BELT DIAGNOSIS

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52A-17

CIRCUIT OPERATION

• The voltage from the ignition switch circuit flashes

the seat belt warning light.

• The system flashes the seat belt warning light for

6 seconds after the ignition switch is turned "ON,"
and sounds the seat belt tone alarm if the seat
belt is not fastened.

TECHNICAL DESCRIPTION (COMMENT)
There may be a malfunction of the seat belt warning
light circuit or ETACS-ECU.

TROUBLESHOOTING HINTS

• Malfunction of the seat belt warning light bulb

• Malfunction of the ETACS-ECU

• Damaged wiring harnesses or connectors

DIAGNOSIS

STEP 1. Check the seat belt warning light circuit line at
junction block connector D-11.

(1) Remove the ETACS-ECU and measure at the junction

block side.

(2) Turn the ignition switch "ON."

(3) Connect terminal 11 to the ground.

The system is normal if the seat belt warning light

illuminates.

(4) Turn the ignition switch "OFF."
Q: Does the warning light illuminate?

YES : Replace the ETACS-ECU

P.52A-52

. Then go to Step

4 .

NO : Go to Step 2.

STEP 2. Check the seat belt warning light bulb.
Q: Is the seat belt warning light bulb normal?

YES : Go to Step 3.
NO : Replace the seat belt warning light bulb. Then go to

Step 4.

AC003242AC

JUNCTION
BLOCK (FRONT)

CONNECTOR: D-06

D-06

AC201084

JUNCTION
BLOCK (REAR)

D-11

COMPONENT SIDE

CONNECTOR: D-11

AC003243

D-11
(JUNCTION BLOCKSIDE)

SEAT BELT DIAGNOSIS

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52A-18

STEP 3. Check the harness wires between the ignition
switch (IG1) and junction block connector D-11(terminal
No 3).

NOTE: Check the intermediate connectors C-02, C-04, D-06,
D-08, D-13, and then their wiring harness. If the intermediate
connectors C-02, C-04, D-06, D-08, D-13 are damaged, repair
or replace it. Refer to GROUP 00E, Harness Connector Inspec-
tion

P.00E-2

. Then go to Step 4.

Q: Is the harness wire between the ignition switch (IG

)

and junction block connector D-11 (terminal No.3) in
good condition?
YES : Go to Step 4.
NO : Repair them. Then go to Step 4.

AC201087

7 6

16151413121110 9 8

201918

CONNECTORS: D-06, D-08, D-11, D-13

JUNCTION
BLOCK (FRONT)

JUNCTION
BLOCK (REAR)

D-06

D-13

D-08

D-11

D-06 COMPONENT SIDE

D-08 COMPONENT SIDE

D-11 COMPONENT SIDE

D-13 COMPONENT SIDE

AC201074

55 54 53

27 26 25

CONNECTORS: C-02, C-04

C-02 (B) C-04

C-04 COMPONENT SIDE

C-02 COMPONENT SIDE

SEAT BELT DIAGNOSIS

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52A-19

STEP 4. Retest the system.
Q: The seat belt tone alarm sound, but does the seat belt

warning light illuminate or flash?
YES : This 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 : There is no action to be taken.

COMPASS AND TEMPERATURE DISPLAY DIAGNOSIS

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52A-20

COMPASS AND TEMPERATURE DISPLAY DIAGNOSIS

INTRODUCTION TO COMPASS AND TEMPERATURE DISPLAY DIAGNOSIS

M1521004200075

If the compass and temperature do not function,
there may be trouble in the electrical system, or the
calibration of the compass may be faulty.

M1524003100267

COMPASS AND TEMPERATURE DISPLAY DIAGNOSTIC TROUBLESHOOTING
STRATEGY

Use these steps to plan your diagnostic strategy. If
you follow them carefully, you will be sure that you
have exhausted most of the possible ways to find a
inside rear view mirror with compass and tempera-
ture display fault.

1. Gather information from the customer.

2. Verify that the condition described by the cus-

tomer exists.

3. Find the malfunction by following the Symptom

Chart.

4. Verify malfunction is eliminated.

SYMPTOM CHART

M1521003500136

SYMPTOM

INSPECTION
PROCEDURE
NO.

REFERENCE
PAGE

There is no display.