Mitsubishi Outlander (2013+). Manual - part 734

 

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Mitsubishi Outlander (2013+). Manual - part 734

 

 

TROUBLESHOOTING

CONTROLLER AREA NETWORK (CAN)

54C-72

OSS-ECU connector, and measure at the wiring 
harness side.

(2) Turn the ignition switch to the LOCK (OFF) 

position.

CAUTION

When measuring the resistance, disconnect the 
negative battery terminal. For details refer to 

P.54C-5

.

(3) Ensure that the negative battery terminal is 

disconnected.

(4) Continuity between joint connector (CAN-LO) 

terminal No.10 and OSS-ECU connector terminal 
No.1

OK: Continuity (2 

Ω or less) 

(5) Continuity between joint connector (CAN-LO) 

terminal No.21 and OSS-ECU connector terminal 

No.14

OK: Continuity (2 

Ω or less) 

CAUTION

Strictly observe the specified wiring harness 
repair procedure. For details refer to 

P.54C-5

.

Q: Is the check result normal?

YES : 

<All the resistances measure 2 

Ω or less> 

Power supply to the OSS-ECU may be 
suspected. Diagnose the OSS. Refer to 
GROUP 42B 

− Troubleshooting .

NO  : 

<Either or all of the resistances measure 
more than 2 

Ω> Repair the wiring harness 

between joint connector (CAN-LO) and the 
OSS-ECU connector.

Diagnosis Item 20: Diagnose when the M.U.T.-III cannot receive the data sent by CAN box unit 
<vehicles with MMCS>.

CAUTION

When servicing a CAN bus line, earth yourself by 
touching a metal object such as an unpainted 
water pipe. If you fail to do, a component con-
nected to the CAN bus line may be broken.

FUNCTION

The diagnostic result demonstrates that "the 
M.U.T.-III cannot receive the sent data from the CAN 
box unit" when the M.U.T.-III checks the periodically 
sent data from each ECU and cannot receive the 
CAN box unit data only.

TROUBLE JUDGEMENT CONDITIONS

M.U.T.-III judges the trouble when the periodically 
sent data from CAN box unit cannot be received. 

PROBABLE CAUSES

• Damaged harness wires and connectors

• Power supply circuit malfunction of the CAN box 

unit

• Malfunction of the CAN box unit

DIAGNOSIS PROCEDURE

STEP 1. Connector check: joint connector 
(CAN-LO) and CAN box unit connector

CAUTION

The strand end of the twist wire should be within 
10 cm from the connector. For details refer to 

P.54C-5

.

When checking the joint connector, ensure that its 
wiring harness side and its short pins are not dam-
aged.

Q: Is the check result normal?

YES : 

Go to Step 2.

NO : 

Repair the defective connector. Replace the 
joint connector as necessary.

STEP 2. Resistance measurement at joint 
connector (CAN-LO) and CAN box unit 
connector.

CAUTION

A digital multimeter should be used. For details 
refer to 

P.54C-5

.

CAUTION

The test wiring harness should be used. For 
details refer to 

P.54C-5

.

(1) Disconnect joint connector (CAN-LO) and the 

CAN box unit connector, and measure at the 
wiring harness side.

(2) Turn the ignition switch to the LOCK (OFF) 

TROUBLESHOOTING

CONTROLLER AREA NETWORK (CAN)

54C-73

position.

CAUTION

When measuring the resistance, disconnect the 
negative battery terminal. For details refer to 

P.54C-5

.

(3) Ensure that the negative battery terminal is 

disconnected.

(4) Continuity between joint connector (CAN-LO) 

terminal No.3 and CAN box unit connector 
terminal No.14

OK: Continuity (2 

Ω or less) 

(5) Continuity between joint connector (CAN-LO) 

terminal No.14 and CAN box unit connector 

terminal No.13

OK: Continuity (2 

Ω or less) 

CAUTION

Strictly observe the specified wiring harness 
repair procedure. For details refer to 

P.54C-5

.

Q: Is the check result normal?

YES : 

<All the resistances measure 2 

Ω or less> 

Power supply to the CAN box unit may be 
suspected. Diagnose the MMCS.

NO  : 

<Either or all of the resistances measure 
more than 2 

Ω> Repair the wiring harness 

between joint connector (CAN-LO) and the 
CAN box unit connector.

Diagnosis Item 21: Diagnose when the M.U.T.-III cannot receive the data sent by radio and CD player 
<vehicles with radio and CD player>.

CAUTION

When servicing a CAN bus line, earth yourself by 
touching a metal object such as an unpainted 
water pipe. If you fail to do, a component con-
nected to the CAN bus line may be broken.

FUNCTION

The diagnostic result demonstrates that "the 
M.U.T.-III cannot receive the sent data from the radio 
and CD player" when the M.U.T.-III checks the peri-
odically sent data from each ECU and cannot receive 
the radio and CD player data only.

TROUBLE JUDGEMENT CONDITIONS

M.U.T.-III judges the trouble when the periodically 
sent data from radio and CD player cannot be 
received. 

PROBABLE CAUSES

• Damaged harness wires and connectors

• Power supply circuit malfunction of the radio and 

CD player

• Malfunction of the radio and CD player

DIAGNOSIS PROCEDURE

STEP 1. Connector check: joint connector 
(CAN-LO) and radio and CD player connector

CAUTION

The strand end of the twist wire should be within 
10 cm from the connector. For details refer to 

P.54C-5

.

When checking the joint connector, ensure that its 
wiring harness side and its short pins are not dam-
aged.

Q: Is the check result normal?

YES : 

Go to Step 2.

NO : 

Repair the defective connector. Replace the 
joint connector as necessary.

STEP 2. Resistance measurement at joint 
connector (CAN-LO) and radio and CD player 
connector.

CAUTION

A digital multimeter should be used. For details 
refer to 

P.54C-5

.

CAUTION

The test wiring harness should be used. For 
details refer to 

P.54C-5

.

(1) Disconnect joint connector (CAN-LO) and the 

radio and CD player connector, and measure at 
the wiring harness side.

(2) Turn the ignition switch to the LOCK (OFF) 

position.

CAUTION

When measuring the resistance, disconnect the 

negative battery terminal. For details refer to 

P.54C-5

.

(3) Ensure that the negative battery terminal is 

TROUBLESHOOTING

CONTROLLER AREA NETWORK (CAN)

54C-74

disconnected.

(4) Continuity between joint connector (CAN-LO) 

terminal No.7 and radio and CD player connector 
terminal No.3

OK: Continuity (2 

Ω or less) 

(5) Continuity between joint connector (CAN-LO) 

terminal No.18 and radio and CD player 
connector terminal No.13

OK: Continuity (2 

Ω or less) 

CAUTION

Strictly observe the specified wiring harness 
repair procedure. For details refer to 

P.54C-5

.

Q: Is the check result normal?

YES : 

<All the resistances measure 2 

Ω or less> 

Power supply to the radio and CD player 
may be suspected. Diagnose the radio and 
CD player. Refer to GROUP 54A Radio and 
CD Player 

− Troubleshooting .

NO  : 

<Either or all of the resistances measure 
more than 2 

Ω> Repair the wiring harness 

between joint connector (CAN-LO) and the 
radio and CD player connector.

Diagnosis Item 22: Diagnose when the M.U.T.-III cannot receive the data sent by corner sensor/back 
sensor-ECU <vehicles with reversing sensor system>.

CAUTION

When servicing a CAN bus line, earth yourself by 
touching a metal object such as an unpainted 
water pipe. If you fail to do, a component con-
nected to the CAN bus line may be broken.

FUNCTION

The diagnostic result demonstrates that "the 
M.U.T.-III cannot receive the sent data from the cor-
ner sensor/back sensor-ECU" when the M.U.T.-III 
checks the periodically sent data from each ECU and 
cannot receive the corner sensor/back sensor-ECU 
data only.

TROUBLE JUDGEMENT CONDITIONS

M.U.T.-III judges the trouble when the periodically 
sent data from corner sensor/back sensor-ECU can-
not be received. 

PROBABLE CAUSES

• Damaged harness wires and connectors

• Power supply circuit malfunction of the corner 

sensor/back sensor-ECU

• Malfunction of the corner sensor/back sen-

sor-ECU

DIAGNOSIS PROCEDURE

STEP 1. Connector check: joint connector 
(CAN-LO) and corner sensor/back sensor-ECU 
connector

CAUTION

The strand end of the twist wire should be within 
10 cm from the connector. For details refer to 

P.54C-5

.

When checking the joint connector, ensure that its 
wiring harness side and its short pins are not dam-
aged.

Q: Is the check result normal?

YES : 

Go to Step 2.

NO : 

Repair the defective connector. Replace the 
joint connector as necessary.

STEP 2. Resistance measurement at joint 
connector (CAN-LO) and corner sensor/back 
sensor-ECU connector.

CAUTION

A digital multimeter should be used. For details 
refer to 

P.54C-5

.

CAUTION

The test wiring harness should be used. For 
details refer to 

P.54C-5

.

(1) Disconnect joint connector (CAN-LO) and the 

corner sensor/back sensor-ECU connector, and 
measure at the wiring harness side.

(2) Turn the ignition switch to the LOCK (OFF) 

TROUBLESHOOTING

CONTROLLER AREA NETWORK (CAN)

54C-75

position.

CAUTION

When measuring the resistance, disconnect the 
negative battery terminal. For details refer to 

P.54C-5

.

(3) Ensure that the negative battery terminal is 

disconnected.

(4) Continuity between joint connector (CAN-LO) 

terminal No.4 and corner sensor/back 
sensor-ECU connector terminal No.19

OK: Continuity (2 

Ω or less) 

(5) Continuity between joint connector (CAN-LO) 

terminal No.15 and corner sensor/back 

sensor-ECU connector terminal No.20

OK: Continuity (2 

Ω or less) 

CAUTION

Strictly observe the specified wiring harness 
repair procedure. For details refer to 

P.54C-5

.

Q: Is the check result normal?

YES : 

<All the resistances measure 2 

Ω or less> 

Power supply to the corner sensor/back 
sensor-ECU may be suspected. Diagnose 
the reversing sensor. Refer to GROUP 54A 
Reversing Sensor 

− Troubleshooting .

NO  : 

<Either or all of the resistances measure 
more than 2 

Ω> Repair the wiring harness 

between joint connector (CAN-LO) and the 
corner sensor/back sensor-ECU connector.

Diagnosis Item 23: Diagnose when the M.U.T.-III cannot receive the data sent by A/C-ECU.

CAUTION

When servicing a CAN bus line, earth yourself by 
touching a metal object such as an unpainted 
water pipe. If you fail to do, a component con-
nected to the CAN bus line may be broken.

FUNCTION

The diagnostic result demonstrates that "the 
M.U.T.-III cannot receive the sent data from the 
A/C-ECU" when the M.U.T.-III checks the periodically 
sent data from each ECU and cannot receive the 
A/C-ECU data only.

TROUBLE JUDGEMENT CONDITIONS

M.U.T.-III judges the trouble when the periodically 
sent data from A/C-ECU cannot be received. 

PROBABLE CAUSES

• Damaged harness wires and connectors

• Power supply circuit malfunction of the A/C-ECU

• Malfunction of the A/C-ECU

DIAGNOSIS PROCEDURE

STEP 1. Connector check: joint connector 
(CAN-LO) and A/C-ECU connector

CAUTION

The strand end of the twist wire should be within 
10 cm from the connector. For details refer to 

P.54C-5

.

When checking the joint connector, ensure that its 
wiring harness side and its short pins are not dam-
aged.

Q: Is the check result normal?

YES : 

Go to Step 2.

NO : 

Repair the defective connector. Replace the 
joint connector as necessary.

STEP 2. Resistance measurement at joint 
connector (CAN-LO) and A/C-ECU connector.

CAUTION

A digital multimeter should be used. For details 
refer to 

P.54C-5

.

CAUTION

The test wiring harness should be used. For 
details refer to 

P.54C-5

.

(1) Disconnect joint connector (CAN-LO) and the 

A/C-ECU connector, and measure at the wiring 
harness side.

(2) Turn the ignition switch to the LOCK (OFF) 

position.

CAUTION

When measuring the resistance, disconnect the 

negative battery terminal. For details refer to 

P.54C-5

.

(3) Ensure that the negative battery terminal is 

 

 

 

 

 

 

 

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