Mitsubishi Montero (2002-2004). Manual - part 958

DIAGNOSTIC TROUBLE CODE PROCEDURES <TRANSFER>

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DIAGNOSTIC TROUBLE CODE PROCEDURES

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STEP 10. Using scan tool MB991502, check data list item 
06: Transfer Shift Lever Position.

CAUTION

To prevent damage to scan tool MB991502, always turn the 
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991502.
(1) Connect scan tool MB991502 to the data link connector.
(2) Turn the ignition switch to the "ON" position.
(3) Set scan tool MB991502 to data reading mode for item 06, 

Transfer Shift Lever Position.

• Display should be the same as the actual transfer shift 

lever position.

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

YES : If 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 :  Replace the transfer-ECU.

DTC 32, 33: Transfer Detection Switch System

ACX01539AD

MB991502

16-PIN

ACX02036AB

Transfer Detection switch System Circuit

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.

CIRCUIT OPERATION

• A battery positive voltage is applied to the each 

detection switch (terminal 1) from the transfer-
ECU (terminal 43, 44, 45, 46 or 47).

• The each detection switch is grounded through 

the transfer case to the vehicle body.

.

DTC SET CONDITIONS
In the case that the transfer shifting has not been 
completed during driving, the DTC 32 is set as the 
open circuit or the short circuit of each transfer 
detection switch system, malfunction of the shift 
actuator or the malfunction of the transfer shift mech-
anism. In the case that the input signal from each 
transfer detection switch is unstable, the DTC 33 is 
set as the open circuit or the short circuit of each 
transfer detection switch system.

.

TROUBLESHOOTING HINTS (The most likely 
causes for this code to be set are:)

• Malfunction of the each transfer detection switch

• Damaged harness, connector

• Malfunction of the transfer-ECU

• Malfunction of the shift actuator

• Malfunction of the transfer shift mechanism

AC204510

CONNECTORS : C-05, C-06, C-10, C-11, C-12

C-05 (BR)

C-05

C-06 (B)

C-06

C-10 (B)

C-10   

C-11 (W)

C-11

C-12 (BR)

C-12

AC

1

1

1

1

1

AC204176

CONNECTOR : E-104

BA

51

40

3839

50

41

52

48

37

46

35

47

36

45

34

43

32

44

33

49

42

31

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DIAGNOSIS

Required Special Tool:

• MB991502: Scan Tool (MUT-II)

STEP 1. Using scan tool MB991502, check actuator test 
item 02 or 03: Shift Actuator <Only when DTC 32 is set>.

CAUTION

To prevent damage to scan tool MB991502, always turn the 
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991502.
(1) Connect scan tool MB991502 to the data link connector.
(2) Turn the ignition switch to the "ON" position.
(3) Transmission range should be "N" range.
(4) Set scan tool MB991502 to actuator testing mode for item 

02 or 03, Shift Actuator.

• The shift actuator operate.

(5) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the shift actuator operate?

YES : Go to Step 2.
NO :  Replace the shift actuator. Refer to GROUP 23B, 

Transfer 

P.23B-103

.

STEP 2. Using scan tool MB991502, check data list item 07: 
Transfer Mode Detected.
(1) Connect scan tool MB991502 to the data link connector.
(2) Turn the ignition switch to the "ON" position.
(3) Transmission range should be "N" range.
(4) Set scan tool MB991502 to data reading mode for item 07, 

Transfer Mode Detected.

• Display should be the same as the actual transfer shift 

lever position.

(5) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Are all position 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 3.

ACX01539AD

MB991502

16-PIN

ACX01539AD

MB991502

16-PIN

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STEP 3. Check the transfer shift lever switch.
Check for resistance between terminals for each transfer shift 
lever position.

Q: Is the switch operating properly?

YES : Go to Step 4.
NO :  Replace the transfer shift lever switch. Refer to 

P.23Aa-30

, Transmission Control.

STEP 4. Measure the switch output voltage at each 
detection switch connectors C-05, C-06, C-10, C-11, C-12.
(1) Disconnect connectors C-05, C-06, C-10, C-11, C-12 and 

measure at the harness side.

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

(3) Measure the voltage between terminal 1 and ground.

• The voltage should measure between 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 10.
NO :  Go to Step 5.

TRANSFER SHIFT 
LEVER POSITION

TERMINAL 
NUMBER

SPECIFIED 
CONDITION

2H

1 

− 3

Less than 2 ohms.

4H

1 

− 5

4HLc

1 

− 6

4LLc

1 

− 2

ACX01331AB

4LLc

4HLc

4H

2H

AC204510

CONNECTORS : C-05, C-06, C-10, C-11, C-12

C-05 (BR)

C-05

C-06 (B)

C-06

C-10 (B)

C-10   

C-11 (W)

C-11

C-12 (BR)

C-12

AC

1

1

1

1

1

AC204918 AN

C-05, C-06, C-10, C-11, C-12 HARNESS 
CONNECTOR : 
COMPONENT SIDE

1