Mitsubishi Montero (2004+). Manual - part 963

 

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Mitsubishi Montero (2004+). Manual - part 963

 

 

TRANSFER DIAGNOSIS <ACTIVE TRAC AWD II>

TSB Revision

AUTOMATIC TRANSMISSION

23A-427

DTC 24, 25: Rear Propeller Shaft Speed Sensor System

ACX02197AB

Rear Propeller Shaft Speed Sensor System Circuit

AC204751

CONNECTOR : C-07

AB

1 2 3

C-07 (GR)

AC204170

CONNECTOR : D-01

CD

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

TRANSFER DIAGNOSIS <ACTIVE TRAC AWD II>

TSB Revision

AUTOMATIC TRANSMISSION

23A-428

.

CIRCUIT OPERATION

• The rear propeller shaft speed sensor generates 

0 

⇔ 5 volts pulse signal when the rear propeller 

shaft rotates. The pulse signal frequency 
increases with a rise in rear propeller shaft 
speed.

• The ear propeller shaft speed sensor is con-

nected to the transfer-ECU (terminals 9 and 18) 
via the rear propeller shaft speed sensor connec-
tor (terminals 1 and 2).

• The transfer-ECU detects the rear propeller shaft 

speed by the signal input to terminal 9.

• The rear propeller shaft speed sensor generates 

the pulse signal as the hole in the rear output 
shaft pass the magnetic tip of the sensor.

.

DTC SET CONDITIONS
In the case that the input signal from the rear propel-
ler shaft speed sensor is unstable when the APP 
sensor voltage is 1.5 volts and over, the DTC 24 is 
set as the open circuit or the short circuit of the rear 
propeller shaft speed sensor. In the case that the 
input signal from the rear propeller shaft speed sen-
sor is unstable when the freewheel engage switch is 
ON condition, the DTC 25 is set as the open circuit or 
the short circuit of the rear propeller shaft speed sen-
sor.

.

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

• Malfunction of the rear propeller shaft speed sen-

sor circuit

• Malfunction of the rear output shaft

• Damaged harness, connector

• Malfunction of the transfer-ECU

DIAGNOSIS

Required Special Tool:

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

• MB991824: V.C.I.

• MB991827: MUT-III USB Cable

• MB991911: MUT-III Main Harness B

AC204191

CONNECTORS : D-208, D-212

5 6

2

4

3

1

JUNCTION BLOCK
(FRONT VIEW)

3

10

9

4

11

8

7

1

5

2

6

D-208

D-208

D-212

D-212

AS

AC204194

CONNECTORS : E-11, E-109

E-109

E-109

E-11

E-11

AW

3

10

16

9

7 8

6

1

4

2

5

11

14

1213

15

11 12

25

24

13

26

9

22

7

6

20

19

8

21

10

23

5

4

17

2

1

15

14

3

16

18

TRANSFER DIAGNOSIS <ACTIVE TRAC AWD II>

TSB Revision

AUTOMATIC TRANSMISSION

23A-429

STEP 1. Using scan tool MB991958, check data list item 03: 
Rear Propeller Shaft Speed Sensor.

CAUTION

To prevent damage to scan tool MB991958, always turn the 
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991958.
(1) Connect scan tool MB991958 to the data link connector.
(2) Start the engine.
(3) Set scan tool MB991958 to data reading mode.

• Item 03: Rear Propeller Shaft Speed Sensor.

• When driving at constant speed of 30 km/h (19 

mph), the display should be "30 km/h (19 mph)."

(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the sensor operating properly?

YES : It can be assumed that this malfunction is intermittent. 

Refer to GROUP 00, How to Use 
Troubleshooting/Inspection Service Points 

− How to 

Cope with Intermittent Malfunction 

P.00-6

.

NO :  Go to Step 2.

STEP 2. Measure the power supply voltage at rear 
propeller shaft speed sensor connector C-07.
(1) Disconnect connector C-07 and measure at the harness 

side.

(2) Turn the ignition switch to the "ON" position.

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

• The voltage should measure battery positive voltage.

(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the measured voltage battery positive voltage?

YES : Go to Step 5.
NO :  Go to Step 3.

AC307591 AC

MB991911

MB991824

MB991827

AC307591

DATA LINK

CONNECTOR

AC204751

CONNECTOR : C-07

AB

1 2 3

C-07 (GR)

AC204918 AQ

C-07 HARNESS CONNECTOR : 
COMPONENT SIDE

1

2

3

TRANSFER DIAGNOSIS <ACTIVE TRAC AWD II>

TSB Revision

AUTOMATIC TRANSMISSION

23A-430

STEP 3. Check joint connector D-01, junction block 
connector D-212 and intermediate connector E-11 for 
loose, corroded or damaged terminals, or terminals 
pushed back in the connector.
Q: Are the connectors and terminals in good condition?

YES : Go to Step 4.
NO :  Repair or replace the damaged components. Refer to 

GROUP 00E, Harness Connector Inspection 

P.00E-2

.

AC204170

CONNECTOR : D-01

CD

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-212

AZ

3

10

9

4

11

8

7

1

5

2

6

JUNCTION BLOCK
(FRONT VIEW)

AC204176

CONNECTOR : E-11

AZ

3

10

16

9

7 8

6

1

4

2

5

11

14

1213

15

 

 

 

 

 

 

 

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