Mitsubishi Montero (2002-2004). Manual — part 969
DIAGNOSTIC TROUBLE CODE PROCEDURES <TRANSFER>
TSB Revision
DIAGNOSTIC TROUBLE CODE PROCEDURES
23Ac-359
STEP 4. Check shift actuator connector C-09 and transfer-
ECU connector E-109 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 5.
NO : Repair or replace the damaged components. Refer to
GROUP 00E, Harness Connector Inspection
STEP 5. Check harnesses for short circuit to ground
between shift actuator connector C-09 terminals 2, 1 and
transfer-ECU connector E-109 terminals 1, 3.
Q: Are the harnesses wire in good condition?
YES : Go to Step 8.
NO : Repair or replace the harness wire.
AC204395
CONNECTOR : C-09
AH
C-09 (GR)
2
1
AC204176
CONNECTOR : E-109
BB
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
AC204395
CONNECTOR : C-09
AH
C-09 (GR)
2
1
AC204176
CONNECTOR : E-109
BB
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
DIAGNOSTIC TROUBLE CODE PROCEDURES <TRANSFER>
TSB Revision
DIAGNOSTIC TROUBLE CODE PROCEDURES
23Ac-360
STEP 6. Check shift actuator connector C-09 and transfer-
ECU connector E-109 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 7.
NO : Repair or replace the damaged components. Refer to
GROUP 00E, Harness Connector Inspection
STEP 7. Check harnesses for open circuit between shift
actuator connector C-09 terminals 2, 1 and transfer-ECU
connector E-109 terminals 1, 3.
Q: Are the harnesses wire in good condition?
YES : Go to Step 8.
NO : Repair or replace the harness wire.
AC204395
CONNECTOR : C-09
AH
C-09 (GR)
2
1
AC204176
CONNECTOR : E-109
BB
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
AC204395
CONNECTOR : C-09
AH
C-09 (GR)
2
1
AC204176
CONNECTOR : E-109
BB
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
DIAGNOSTIC TROUBLE CODE PROCEDURES <TRANSFER>
TSB Revision
DIAGNOSTIC TROUBLE CODE PROCEDURES
23Ac-361
STEP 8. Using scan tool MB991502, check data list item 10:
Shift Actuator Amperage.
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 data reading mode for item 10,
Shift Actuator Amperage.
• When the operating transfer shift lever 2H → 4H, 4H →
4HLc or 4HLc
→ 4LLc, the display should be 0 ampere
→ 0.2 − 1.5 ampere → 0 ampere.
(5) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the actuator 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
NO : Replace the transfer-ECU.
DTC 44: Shift Actuator System (Overload)
.
Shift Actuator System Circuit
Refer to
.
.
CIRCUIT OPERATION
Refer to
.
.
DTC SET CONDITIONS
When the accumulated time to operate the shift actu-
ator exceeds five minutes, DTC 44 is set as the over-
load of the shift actuator.
.
TROUBLESHOOTING HINTS (The most likely
causes for this code to be set are:)
• Malfunction of the shift actuator
• Damaged harness, connector
• Malfunction of the transfer-ECU
ACX01539AD
MB991502
16-PIN
DIAGNOSTIC TROUBLE CODE PROCEDURES <TRANSFER>
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DIAGNOSTIC TROUBLE CODE PROCEDURES
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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.
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 actuator 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
NO : Go to Step 2.
STEP 2. Using scan tool MB991502, check data list item 12:
Shift Actuator Voltage.
(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 12,
Shift Actuator Voltage.
• When the operating transfer shift lever 2H → 4H, 4H →
4HLc or 4HLc
→ 4LLc, the display should be 1/2 battery
voltage
→ battery positive voltage → 1.0 volt or less →
1/2 battery voltage.
• When the operating transfer shift lever 4LLc → 4HLc,
4HLc
→ 4H or 4H → 2H, the display should be 1/2 bat-
tery voltage
→ 1.0 volt or less → 1/2 battery voltage.
(5) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the actuator 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
NO : Go to Step 3.
ACX01539AD
MB991502
16-PIN
ACX01539AD
MB991502
16-PIN
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