Mitsubishi Montero (2004+). Manual — part 488

TIRE PRESSURE MONITORING SYSTEM (TPMS) DIAGNOSIS

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WHEEL AND TIRE

31-23

DTC 14: TPMS Abnormality (Vehicle Speed Signal)

JUNCTION BLOCK

JUNCTION
BLOCK

VEHICLE
SPEED
SENSOR

JOINT
CONNECTOR (4)

IGNITION
SWITCH (IG1)

TPMS
RECEIVER

Vehicle Speed Sensor Circuit

AC204171

CONNECTORS: D-112, D-116

D-112

D-116

BF

AC204173

CONNECTOR : D-220

BP

TIRE PRESSURE MONITORING SYSTEM (TPMS) DIAGNOSIS

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31-24

.

CIRCUIT OPERATION
The TPMS receiver monitors the vehicle speed sig-
nal.

.

TPMS DTC SET CONDITION
DTC 14 will be set if the TPMS receiver does not
receive vehicle speed signal of 5 km/h (3 mph) or
more during driving. At the same time this DTC is
set, the TPMS warning light flashes. TPMS receiver
senses the vehicle’s driving state by a roll switch
inside the TPMS transmitter.

.

TROUBLESHOOTING HINTS (THE MOST LIKELY
CAUSES FOR THIS DTC TO SET ARE:)

• Malfunction of the vehicle speed sensor

• Damaged wiring harness or connector

• Malfunction of the TPMS receiver

.

DIAGNOSIS

Required Special Tools:

• MB991958: Scan Tool (MUT-III Sub Assembly)

• MB991824: Vehicle Communication Interface (V.C.I.)

• MB991827: MUT-III USB Cable

• MB991911: MUT-III Main Harness B

.

STEP 1. Check A/T diagnostic trouble code.
Q: Is A/T DTC 29 (vehicle speed sensor system) set?

YES : Carry out troubleshooting for A/T DTC 29 (vehicle

speed sensor system) (Refer to GROUP 23A,
Diagnostic Trouble Code Procedures

P.23A-169

).

NO : Go to Step 2.

AC308263

AB

CONNECTOR: E-111

AC307592

G-28

CONNECTOR: G-28

AD

THIRD SEAT
BELT (RH)

TPMS RECEIVER

TIRE PRESSURE MONITORING SYSTEM (TPMS) DIAGNOSIS

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31-25

STEP 2. Check the following connectors.

• Joint connector D-116

• Intermediate connector E-111

• Junction block connector D-220

Check the connectors for loose, corroded or damaged termi-
nals, or terminals pushed back in the connector.
Q: Are the connectors and terminals in good condition?

YES : Go to Step 3.
NO : Repair it. And then go to Step 7.

AC204171

CONNECTOR : D-116

AN

9 10

8

6 7

31 32

30

29

18 19 20 21

5

4

2

1

3

27

26

24

23

25

12 13 14 15 16 17

28

11
22
33

AC308263

AC

CONNECTOR: E-111

AC204173

CONNECTOR : D-220

BQ

TIRE PRESSURE MONITORING SYSTEM (TPMS) DIAGNOSIS

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STEP 3. Check the following harness wire.

• The wire between joint connector D-116 (terminal 23) and

junction block connector D-220 (terminal 5)

Q: Is the harness wire damaged?

YES : Repair or replace it. And then go to Step 7.
NO : Go to Step 4.

STEP 4. Check the following connectors.

• Intermediate connector D-112

• TPMS receiver connector G-28

Check the connectors for loose, corroded or damaged termi-
nals, or terminals pushed back in the connector.
Q: Are the connectors and terminals in good condition?

YES : Go to Step 5.
NO : Repair it. And then go to Step 7.

AC204171

CONNECTOR : D-116

AN

9 10

8

6 7

31 32

30

29

18 19 20 21

5

4

2

1

3

27

26

24

23

25

12 13 14 15 16 17

28

11
22
33

AC204173

CONNECTOR : D-220

AI

HARNESS SIDE

1

2

3

7

8

6

5

10

4

9

AC204171 AL

CONNECTOR : D-112

2 3

27

32

28

33

16

15

4 5

19

18

29

17

34

7 8

35

22

21

9 10

30

36

31

37

25

24

23

6

20

1

14

26

11

13

12

38

AC307592 AE

CONNECTOR : G-28